The Cactus Trip Diaries

I could just copy the Diaries for 18 March 2009. It would be much easier, as we’re on our second bottle of Norton Malbec at the Best Western in Creel.  I guess that I’ll just run through today’s program and put the 2009 stop numbers in brackets.

We managed an early get away, negotiating for a 7:00 breakfast (well 7:05, by the way that we rattled the door of Restaurant Los Pinos to alert the staff of their side of our agreement). We then thought that the Mexican road building system had performed miracles by putting down an almost brand new asphalt road to take us to the Baranca Sinforosa. We were well ahead of schedule, when the fun started. Eunice’s SatNav target was NOT the Baranca Sinforosa but a way point from her database, where a friend had made a stop last year. We drove on until we met a gang of workmen, continuing the road improvements and asked them if we were on the right way. Noooooooo! came the reply, the directions took us back all the way to our Hotel, in Guachochi!. But the track that we had followed from there last year had improved dramatically and there were now clear signposts to the Baranca, which offers one of the most spectacular views that I have seen. This time, I walked the complete edge of the view point holding the video camera to try to capture the spectacle.

But first we made a quick stop (S1871) at the point in Eunice’s Data Base (EDB) which had sent us 30 minutes in the wrong direction. No cacti or succulent plants were found, but the ground between the pine trees  was covered with a dwarf lupine: tall flower spikes but the leaves very close to the ground.

So S1872 (S1358 in 2009) was reached around 10:10. It was John’s first view of these Canyons and he agreed that they were very impressive. But I had taken all the pictures that I needed from here and I knew that a certain Mammillaria senilis was waiting for us at the suspension bridge that we could see some 1000 ft below us, 4 km along an impossible track. Where is Cliff when you need him to take control of the steering wheel? The alternative was simple: walk.

While Eunice stayed at the top, photographing her favourite Agaves. A. shrevei (?) NOT A. maximilliana as she had suggested last year A. wocomahi,  and (see
http://www.globetrotters.ch/botanik/pflanzen/botspezies_seite_en.asp?main=5070&menu=1&bgt=am&genus=AGAVE&gnr=110), John and I walked to the bridge. I explained how last year I had crossed this several times, just because I could, Eunice had crossed it once and chosen the alternative route back. John said he’d like to give it a try as at college he had taken an additional course in circus skills which involved tightrope exercises, for which he holds Diplomas!. It came useful during his Service years in the Navy where he was able to impress his colleagues with these skills. I would of course now show you pictures of John crossing this ravine balancing on the wires of the suspension bridge, instead of the meter wide planks that I had used, but he admitted that he had left his tight rope walking shoes at home, blaming me for not telling him to pack them!

The walk downhill was a reminder of the excellence of Cliff’s driving skills – I would not have dared to take our Jeep down here.   It made me also think about having to walk back up, around midday (Mad Dogs & Englishmen ……) 

S1873 (S1359), and I headed straight for the rock where I have a clear memory of M. senilis in flower. I must have taken some twenty pictures of the one plant to milk the subject in talks. Cliff and Alain had walked on and had found many more plants, here accompanied by large butterflies. I had told myself not to expect miracles. ‘My’ Mam. might no longer be there and some three weeks later in the season, would certainly have finished flowering. But maybe the Echinocereus scheerii, in bud then, might be in flower this time?  M. senilis was there exactly as expected, but with more flowers! More pictures were taken. The E. scheerii were again in bud, from memory less advanced then last year. So they must have had a cold long winter here too. We then walked on farther and found more M. senilis, but only one or two large swallow tail butterflies.

Soon it was time to start our climb back and I was really chuffed with myself as we managed the 4 km in just under an our, arriving back at the car 1 minute after noon.

We continued the rest of the day with ELO’s greatest hits on my juke box, just as in 2009. Cliff & Alain were here in spirit, if not in person.

S1874 was a leg stretch & comfort stop with again A. wocomahi and a small herbaceous plant photographed.

S1875 was for 26 images taken from the car of the breath taking scenery.

S1876 (!361 in 2009) was for Echinocereus scheerii and Echeveria craigiana, photographed in much better light this time.

The last stop of the day, S1877 was prompted by a suggested location from EDB, but at the coordinates suggested, we were looking at a 50 m drop along side the road. We expect that the explorers had taken an earlier track that ran parallel to the road, along a dry river valley. About 1 km farther along, we were able to join this track and soon had found the moss covered rocks that is the favoured habitat for E. scheerii and another Echeveria, E. chihuahuensis.

Another excellent day!

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Today was very much a driving day, covering some 550 km., quite a bit of these on winding roads or through topes filled villages.

Only 53 images taken today, spread over four stops, (S1867 to S1870) record scenery to record that MEX 45 from Durango to Parral leads mainly through boring flat (high plateau) cultivated or unused land. We did see some cacti, but nothing worth reporting here. Details in the field list available on request after I have pieced it together in months to come.

Alain & Cliff will be pleased to know that tonight we are staying again in Hotel Cumbres and that the range of food served in Restaurant Los Pinos has not improved; still no guacamole!

Tomorrow we plan to drive through Copper Canyon to Creel. I should have left last year’s wireless keys on my laptop.

During breakfast at the Best Western in Gomez Palacio, the head waiter approached me and asked if he was correct in thinking that I had stayed with them before, about a year ago. Yes I had. Then I was with two large gentlemen; were they alright? Yes, Cliff & Alain are fine – nice to be remembered I guess – I trust that it was for the right reasons.

We are now entering familiar territory for Cliff & Alain, as our first stop (S1862) was just before the Presa where last year we were able to see Agave victoria reginae through telephoto lenses. They were still there this time. I’ll have to look up the list of plants seen from last year’s Diary, so that I don’t contradict myself this time. I can tell you that the Opuntia rufida, the Cylindropuntia spinosior and the Coryphantha durangensis were all in flower this time.

S1863 was at the Presa itself, a brief stop and nothing new to report since last year.

S1864 was a stop along the Rio Nazas, close to where we stopped last year. Then we had photographed a white flowered Fouquieria splendens. John tells us that this is known by the name of F. campanulata. Wikipediea has it down as F. splendens ssp. campanulata. Anyway, here is where we first encountered it this year

We stopped again at last year’s stop where we first saw the white flowered Fouquieria, (S1865) although our real purpose was to look for Ariocarpus fissuratus and Leuchtenbergia principes. That time we only found one Leuchtenbergia, but this time I was able to find that plant straight away and then found numerous plants – five near by, others higher up the hill. I believe that that time, short of day light hours left, we were unable to find any Ariocarpus. This time we fared better, over the hill, on to a second hill, finding a dozen or so plants, dead & alive, in the time allocated (actually, we overran, leaving John waiting at the car, sorry again, John! All the other plants reported in 2009 were found again (yes, I know that I’m chickening out). The database suggested the name A. intermedius, but according to the Living Rock’s website, this occurs in the Cuatrocienegas area in Coahuila, not here.

What next? Last year I was ill prepared with my stops – no break from five months continuous cactus travel had taken its toll. This year Eunice had accepted the challenge of planning a route that would take us past interesting plant locations and she has done really well. She reported two stops of Mammillaria, a little out of the way: M. theresa and M. guilzowiana.   We made it to the first, the one for M. guilzowiana, but the road was poor, approaching roads in Bahia, so our speed had been far below the 60 m.p.h. (100 km.p.h.) average on highways. I was none to hopeful at finding our plant as we stopped (S1866) near a pass, with a cooling wind howling through. Hats were left in the car. The hillsides seemed to be covered by the remains of ferns, thick layers, not the best place to look for small Mams. And yet, within minutes, John had found a flower poking through the ferns. Cameras clicked, and, after some of the dead plant material had been cleared away, clicked again, now at four or five small globular Mams, nowhere near as woolly as plants in cultivation had made me expect and much smaller. The flowers were on longer tubes, so that they could poke above the competing vegetation.

While trying to stay upright in the storm (we later discovered that this is the norm here) I found my first Stenocactus (Echinofossulocactus) with the body practically obscured by spines and a few white flowers with darker mid stripes on the outside of the petaloids. There was also a nice Echinocereus of the triglochidiatus group in flower.

Once again we had run out of time and even though the M. theresa stop seemed only 9 km away, it was along that track in poor condition, with light failing fast. Instead of driving to Hidalgo del Parral, some 250 km away, we headed for Durango where we had stayed in the Best Western in 2009. Nothing had changed here.

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As described yesterday, we planned to return to S1853 to photograph some plants that I had missed the day before. It was only 3 km off our planned route, so no big deal.

First though we made a quick stop (four pictures) to photograph a fence of Fouqueria splendens – in flower (S1854). I am building up quite a collection of cacti and other xerophytic plants being used as fencing.

My stop numbers refer to a particular location on a specific date. The same location on a different date is given a different stop number. There are no hard rules that apply to creating these numbers, so I make up by own rules that fit my needs. So, S1853 on 5 April became S1855 and the additional plants found are all discussed in yesterday’s report.

S1856 was a stop suggested by the database. We forgot to see what we were supposed to be looking for so we kept our eyes open for any of the plants seen so far today. I guess the stop might originally been prompted by a coffee / beer stop as it was next to a cafeteria. We walked up to an electricity pylon as a marker, then back to the car having photographed Echinocereus sp in flower, Echinocactus horizonthalonius, Coryphantha sp, Mammillaria heyderi ssp meiacantha and Yucca endlichiana. The stop will probably be remembered by me for its smell of the chicken farm (small) at the back of the restaurant, which might explain why they were not busy.

Our next stop could be seen for miles around, a large flat top hill known as El Pillar. We drove through a small village and eventually stopped some 6 km out of town ( S1857). The landscape provided a hint to what we might find: Ariocarpus kotschoubeyanus. While it is exciting to hunt for the plants, by the time that you’ve taken 20 pictures at a stop, they become boring as plant & location all look the same. Easy to get spoiled I guess. Angie felt the same about some Frailea’s that grow pulled back into the sand. Guess that we’ll have to go back one October when they should be in flower.

We then drove on to Viesca (Mam. viesciensis fame) but found nothing, just dust, dust and more dust. Once back on asphalt we had to stop and clean the windows as it was like sitting in a car covered in snow – visibility nil.

S1858

S1859

S1860

S1861

to be continued

Another hot but wonderful day. Towards the end of the last stop, we heard the familiar sound (from previous trips in Brazil etc) of thunder and by the time that we were in the car on our way ‘home’, we ‘enjoyed’ rain and hail.

Today was made up of six stops (S1848 to S1853 incl.) and again was a treat with a number of species seen for the first time. There were also a number of plants that we’re just not sure about without further research, calling it an Echinomastus one day, Coryphantha on another and Thelocactus on a third. I’m hopeful that Cliff can sort out the Thelocactus bunch when bribed with a few bottles of Malbec or Cabernet Sauvignon.

S1848 was an unscheduled stop, sort of. We intended to visit a location from The Database and after having been sent around the houses finally found the track that we were meant to follow, according to the SatNav. However, we seemed to be driving through a valley that was being quarried and the operators of the diggers creating new tracks had obviously not kept track of telling Garmin of the exploits. After a while we gave up and decided to have a stomp around before returning to the main road. Very rewarding, as we found Ariocarpus retusus fa., Thelocactus sp. (conothelos?), Escobaria sp., Echinocereus pectinatus, E. longisetus (?) Epithelantha micromeris, Agave scabra, A. lechuguilla, Coryphantha (?) sp.

The next stop, S1849 was a brain teaser supplied by John from Glass & Foster Log book notes, supposedly at a microwave tower, 27 of miles south of Monclova. But Monclova these days had grown to a fair size town. Where did they start their measurements from? And had the road been re-built since, and straightened out in the process? Had the tower been moved to a better position since the G&F notes from the sixties? In any even, the track to it had a locked gate and a sign telling us that we were not welcome. A little farther up the road, we found another gate, this time without signs, so we parked up and climbed over the gate.

We were barely 10 meters in, when a car stopped, one of the occupants unlocked the gate and drove in. We introduced ourselves to the driver and his mate, making the excuse that we had just stopped on the lay by and had crossed his border for a quick toilet stop (with Nikon cameras hanging from our necks!?!?!). We asked if we might take some pictures and were granted permission. Pictures taken here were of Opuntia sp, Agave scabra, Cylindropuntia leptocaulis, C, spinosior, Coryphantha sp, Opuntia sp and a very shrivelled Echinocereus sp.

We pulled off the highway again at Ejido La Paloma, then followed a track for 7.2 km to arrive at S1850, near the ruins of what might have been a small village. Eunice & I explored one side of the road, while John climbed the hill on the other side of the road, then later had to guide me back to show me his star plant, a crested Ariocarpus retusus.

S1851 was just a brief stop caused by numerous clumps of Echinocereus sp in flower. It also brought us Thelocactus hexaedroflorus in flower, at least I think that is what I photographed, but according to limited resources at hand, this taxa comes from Nuevo Leon, Zacatecas and San Luis Potosi while we were in Coahuila. Cliff to the rescue? And of course there was Opuntia sp. and Echinocactus horizonthalonus.

S1852 was prompted by seeing a largish lake of milky white water in the middle of the desert. Great photo opportunity. I recorded another ‘shoe in the desert’ picture, for a Rudolf Schulz potential book project, discussed when we all had too much wine. This time the shoe was drowning in the lake, but the lake was in a desert, so we may need to open a bottle of wine to discuss if this is allowed or not.

Opuntia sp., Coryphantha sp., Echinocactus horizonthalonus, and Echinocereus sp. the last one in flower completed the picture.

S1853 was our last main scheduled stop, particularly to see Yucca endlichiana, a plant with leaves barely 30 cm (12") tall with flowers hidden deep at the base of the leaves. I can see why this plant might have curiosity value, although I can not call it pretty. Photos taken will prove the point. But there was a wealth of other plants to make this a very worthwhile stop. We were greeted at the fence (usually exercise to attempt to avoid joining the boy sopranos as we squeezed between tight barbed wire) by very pretty bunches of daisy like flowers (Asteraceae, I’d guess), Agave lechuguilla, Euphorbia antisyphalitica, Sclerocactus scheeri (Ancistrocactus uncinatus on John’s list is now a synonym), Grusonia / Corynopuntia bulbispina, in advanced bud but not yet in flower, Echinocereus sp. (the large flowering clumps we’d been seeing at earlier stops), Echinocereus stramineus (?), Cylindropuntia leptocaulis, C. spinosior, Epithelantha micromeris, Thelocactus bicolor (some plants in flower, most in bud), T. hexaedroflorus (in flower) Opuntia rufida, Mammillaria heyderi ssp meiacantha, Ferocactus hamathacanthus, Opuntia sp. (large pads), Yucca sp., Fouqueria splendens (in flower), Lophophora williamsii  (first a little shy to find, then we found them in clusters of many plants, often three to four individuals growing together). Coryphantha sp. and finally Leuchtenbergia principes, apparently a favourite with goats, with the centre of the plant being preferred to the  tougher, older, tubercles.

And if that was not enough …… our cactus explorations here were disturbed by me hitting a ‘brick wall’ in terms of energy levels – too long out in the hot sun? (30 C plus temperatures) dehydrated ? (I had brought along plenty of water, but did I drink enough?). A second factor was a nice thunder storm brewing up. You don’t want to be caught on foot in the flat desert when one of these opens up overhead. The winds caused by down draughts were there, the sky was darkening, thunder could be heard not too far away and as we got to the car the first rain drops fell.

So we decided to come back tomorrow morning. For the record, the stop then was recorded as S1855 and in addition to the plants already reported we were able to find an Echinocereus (Wilcoxia) poselgeri that Eunice had photographed today in flower, but which tomorrow would be only in bud. Well done Eunice for finding it again! Also new that morning: Astrophytum capricorne, just one plant but evidence that it grows there.

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Another excellent day on the cactus spotting & photography side. Not such good news on the computer front – the image viewer that I use – ACDSee v2,5 Pro refused to work after I left it down loading images using the newly acquired DC converter in the hot car while I was adding more pictures on the even hotter outside. I eventually managed to down load the images using Windows picture downloader, but it does not have the nice feature of renaming the files with their date stamp, which, when using three cameras with synchronised time stamps, comes in very useful in ordering and sorting the images (again over 600 today).

So in desperation I deleted the software and installed V2 that I had still on my HD as a trial version. It says it has just one day left, so we’ll see what happens tomorrow.

The other down side is that the internet connection in the hotel in Monclova does not work from the room that we have this time – can’t remember if it worked last week when we stayed here.

So here is the summary version of today’s events, mainly from memory rather than from a quick review of the images.

We took Mex 30 from Gomez Palacio, through its neighbour Torreon towards Cuatrocienegas, a name that I remember fondly from many January nights selecting orders from Mesa Garden seed lists. We made ten stops S1838 to S1847 incl. and the highlights in descending order were finding Ariocarpus kotschoubeyanus (lots!!!) A. fissuratus (a.k.a. Fizz) (not quite so many), Astrophytum capricorne, here in flower, as if to celebrate Easter Mexican style and again, as if to celebrate Easter or today’s changing of the clocks to Summer time, all the Opuntia seemed to be out in full bloom and rather stole the show. Disappointments were not finding Agave victoria regineae and Lophophora wiliamsii from stops where in the past they had been reported. In the latter case, many holes in the ground might explain where all the plants in the more obvious places might have gone.

There were many more interesting cacti & other succulents, some new to me, to be added to my taxa tick list such as Foquieria shrieve, that has its white flowers along the length of its stems, instead of the traditional cluster at the tips as seen in F. splendens. Some will need some looking up, such as Grusonia bradtiana, which has been moved to one of the other genera when Opuntia was split up. These plants fill the niche that Miquelopuntia miquelii fills in Chile.

A wonderful day that will take several days back in the UK to put into order.

Now let’s hope that tomorrow I can get an internet connection and send this report and some of the pictures.

On these trips, as soon as you’ve stayed in a hotel for three nights, it feels like home. So it was high time that we moved on. Today we were going to start the first leg of a loop that would see us back in our hotel in Saltillo sometime next week.

Our destination tonight brought me back to one of the places were we stayed in 2009. We’re booked into the same Best Western hotel.

Today’s stops continue to add new taxa to my ‘plants seen in nature’ CV.

S1833 was a leg stretch stop. We were not disappointed as we found the ground covered with low shrubs with the space between them almost completely taken over by Thelocactus bicolor – not sure which one of the many forms. Where there were no shrubs, there was Agave lechuguilla, the Mexican shin stabber. And where the Thelocactus had left a gap, we found Coryphantha sp. or Neoloydia conoidea. Dotted around the place were clumps of a large, open Echinocereus, E. enneacanthus fa dubius (?) coming into flower, also E. stramineus, a tall Yucca sp. and the odd Astrophytum capricorne, Thelocactus setispinus / Ferocactus hamatacanthus and Echinocactus horizonthalonius.

If that was what an unscheduled stop gave us in terms of plants, then the next stop, just outside General Cepeda, S1834, had to be even better! And it was! To the above taxa, add Epithelantha micromeris, a form that produced clumps with up to 30 heads! And not to be forgotten, Ariocarpus retusus (A. furfuraceus)! As a bonus, an Easter Parade (?) passed by: several pick ups with a Mexican band in the back, followed by more pick up trucks with kids and women and the whole lot surrounded by Mexican cowboys in their finest. I see that Backeberg described Epithelantha polycephalus (many headed) and that would certainly fit most of the plants photographed here. Charlie Glass made it E. micromeris sso. polycephala.

There were so many cacti here and the same type of hills continued along the road for miles, that I suggested that all these plants would occur anywhere that we’d chose to stop.

Eventually we did, S1835, and certainly did not find everything that we had expected, but perhaps the gap between the stops was too long / far apart. We saw Dasylirion leiophillum – Sorry, I tend not to take pictures of Dasylirion unless there is something special to report about them, or there is nothing very special to report about a stop, such as is the case here. A Yucca sp. and Agave stricta / striata were also photographed, as were Echinocactus horizonthalonius, Coryphantha sp., Echinomastus sp (or Thelocactus macdowellii?) which in nature seems to be solitary while in my collection I have a six headed clump. Also photographed was a plant that resembled Agave stricta / striata but with filaments along the leaf margin. John suggested Nolina erumpens – foothill bear grass, as a name – very nice plant, and Agave lechuguilla, which should be known under the common name of ‘ugly everywhere Agave’.

S1836 was a bit of an accident. We were looking for an Ariocarpus site but found, by 16:00 p.m. that we’d have to drive some 10 km along a 0 km p hr track and back again, so did a reality check and decided to have a look where we were and turn back on to a main road to our destination. We saw plenty of A. lechuguilla, Neolloydia conoidea (I have just learned that Wikipedia lists 6 species of Neolloydia, which I had assumed to be a monotypic genus – more study when I get home!), Opuntia sp., Cylindroputia spinosior (?), a robust form of C. leptocaulis which might be a hybrid with C. spinosior?, Opuntia rufida, and of course Echinocactus horizonthalonius that also seems to pop up everywhere.

S1837 was the most likely habitat to find Ariocarpus kotschoubeyanus, but despite us willing it to be there, none were found. There was no data base info to suggest that it would be, but I gained a collection of seven images of cracked silt, which is the expected environment for this Ariocarpus.

The GPS still plays tricks on us when trying to find the hotel, but not as bad as in 2009 when it tried to send us the wrong way up a for lane one way street, or along a railway track. Earlier though, it had suggested a 126 km route when we overshot a turning to a track by 2.6 km! They are great tools but still require a human intelligence interface rather than blind faith.

At our Best Western in Gomez Palacio, Eunice and I felt that we were recognised by some of the staff, but they looked confused when they could not spot Cliff & Alain. We had the car washed and hardly recognised our faithful carrier – well, it deserved an Easter treat!

Happy Easter! 

Yesterday’s early stops focussed on trying to find the Chicken Farm Stop at km 27 on the Mex  40 Saltillo to Monterey road. Unfortunately, this is now the location of a huge motorway intersection. Although there are plenty of chicken farms around the intersection, the one that was here in 1973 is likely to have been destroyed by the development, together with many thousands of plants, if today’s exploration of the surrounding hills provides an indication.

We made five stops between 8:45 and 15:49, all in a relatively small area around this intersection, with temperatures approaching 30 C, but with a stiff breeze cooling us down and threatening at times to take our hats off. The sixth and unnumbered stop was at the local Walmart where John and I sat down in the air conditioned cafeteria, drinking a ice cold Sprite while Eunice went shopping – incl. three pairs of sunglasses to replace the pair broken the previous day.

S1828 was a disused quarry reached after we turned off at km 25 on Mex 40. We climbed the hill and I took an amazing 165 images of what seemed initially a none too promising location. As we climbed the limestone hill, we photographed: the White Prickly Poppy (Argemone grandiflora), Thelocactus rinconensis (s.n. T. phymatothelos), Evening Primrose (Oenothera sp.), Echinocereus stramineus (?), Mammillaria pottsii, Echinocereus pectinatus, Echeveria cuspidata, Epithelanta micromeris, Mammillaria woodsii [PS No. occurs much farther south], including a dichotomously splitting plant.  

As we pulled away, I spotted an Opuntia in flower, bright yellow. All the Opuntias are heavy with buds after a wet winter (relatively) but they are late opening their buds (cold spring, although with temperatures around 30 C around midday, that too is relative. S1829, here at the bottom of the hill that was S1828, turned out to be more than just a quick picture. 30  minutes later we left having taken pictures of Mammillaria heyderi ssp meiacantha, Coryphantha sp., Echinocactus horizonthalonius, Echinocereus pectinatus, Mammillaria heyderi ssp meiacantha, Mammillaria pottsii, Opuntia sp.

We tried to find another location suggested by John, based on his notes (or were they from the Glass & Foster Logbook?), but this time found the track blocked by a locked gate. We parked near the gate (S1830), disappointed at not being able to reach our goal, but 75 minutes later left happy after finding an impressive selection of plants: Agave lechuguilla, Corynopuntia sp., Coryphantha sp1, C. sulcata, Cylindropuntia spinosior, C. tunicata, Echinocereus stramineus, Epithelantha micromeris, Euphorbia antisyphalitica, Hechtia sp., Lophophora williamsii, Mammillaria heyderi ssp meiacantha, Neolloydia conoidia, Opuntia sp., Sedum sp, Thelocactus bicolor ssp bolaensis and Tradescantia sp. Quite a catch!

We returned to yesterday’s S1818, now S1831, for a more detailed look around. An impressive list of plants found now included another one of the ‘painted Agave’: A. fernandi-regis. Also found: A. stricta, Ariocarpus retusus, Echeveria cuspidata, Echinocereus pectinatus, E. stramineus, Escobaria sp. Hechtia sp., Lophophora williamsii, Mammillaria formosa ssp chionocephala, M. heyderi ssp meiacantha, M. pottsii, Neolloydia conoidia, Opuntia rufida, Thelocactus bicolor ssp bolaensis, Thelocactus rinconensis, T. setispinus (?) I must check how to distinguish this last taxon from Ferocactus hamatacanthus, especially when there are no flowers and fruits to examine.

With a bit of time to spare John and I decided to take a look around a near by the flat area at yet another Chicken Farm (S1832) and found Ferocactus hamatacanthus, Agave lechuguilla, Agave scabra, Coryphantha sp, Cylindropuntia sp., Mammillaria heyderi ssp meiacantha, Thelocactus rinconensis, Echinocereus stramineus, Fouquieria splendens, Cylindropuntia leptocaulis, Lophophora williamsii, with evidence of digging, most likely for the peyote. Peyote omelettes anyone?

A great selection of plants here – I think that I’ll be back at some future date.

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Today produced eleven stops, as we entered Huasteca Canyon this time from the Saltillo end. The intention was to go as far as yesterday’s turn around point and then turn  back. However, the track was so bad in places and the turn around point was somewhere in the middle, that we opted to form a convoy of three cars – we were the meat in the Mexican sandwich – and return to the Santa Catarina / Monterrey end from where we could pick up a fast freeway for the last 80 km home. As a result, the stops tended to be brief, with probably more time in the car than any of us had wanted, but the plants seen were worth it.

We left Saltillo around 8:30 a.m. and made straight for a stop near the place that John called the Chicken Farm Stop, when he visited the place with Charlie Glass and Bob Foster in 1973. Unfortunately, the chicken farm seems to have made space since the 1970s to become a junction of the Mex 40 and Mex 57, major highways that between them have gobbled up lots of cactus habitat

As a result, today’s first stop was not the original ’73 location, but it seemed likely that the hills around here would host most of the plants listed. S1817 celebrated the fact that we had managed to find a track off the Mex 40 and were at the foot of a mountain to be explored in detail later. During our ten minute stomp around, we found Thelocactus rinconensis (s.n. T. phymatothelos), large plants in advance bud but with the white flowers struggling to open fully through the heavy spination. I thought of Cliff, as the genus Thelocactus is (one of?) his favourite(s). The location is marked, Cliff, for a future Thelocactathon. Also found: Mammillaria pottsii, and Echinocereus stramineus (?)

S1818 was a Eunice stop, from a previous visit last June, just on the other side of a wired off project from the previous stop, but a bit higher up the hill: Plants seen in the order that we found them: M. pottsii, Ariocarpus retusus, E. stramineus, Coryphantha sp. (C. radians?), Thelocactus bicolor, Echinocereus pectinatus (?), Mammillaria heyderi ssp. meiacantha, Cylindropuntia spinosior, C. tunicata, and C. leptocaulis.

We now followed the dirt track into Huesteca Canyon, but still on a broad plain with the mountains slowly moving in on us. S1819 was prompted by a clump of Echinocereus viereckii (?) in full bloom. Also found: O. rufida, Mammillaria heyderi ssp. meiacantha, C. leptocaulis, C. spinosior, Echinocactus spinosior, Agave scabra and Yucca thompsonii (?)

The excuse for S1820 was a large twin of Ferocactus pilosus / stainsii – not sure which name got stuck to this plant. As we were taken its picture, we saw groups of much larger plants some 100 m away. It was as though the desert had been designed as a practice track for the 100 m hurdles, as we sped to these groups.   They were in full bud and some of the flowers were beginning to open. Also found, a different flat padded Opuntia sp., denser spined than what we’ve been calling O. engelmanii, A. scabra, Echinocereus sp., Tillandsia recurvata (often seen, not always photographed or mentioned). Soon after we carried on, a heavy duty iron gate with ‘we mean business’ padlocks, blocked the road. We went back to an earlier fork in the road and took that.

We had been admiring an orange-yellow flower, like the Californian Poppy (Escholtzia sp.) for a while. Now we were coming along massive groups along the roadside, worthy of pictures (S1821). Of course we continued to look our for cacti and found C. leptocaulis, a much more robust form than the pencil thin cladodes usually seen; could this be a hybrid with the other Cylindropuntia here, C. spinosior?  And if so, here, why not in the other places where we had seen both species together? Agave scabra was still here as was a small globular cactus with a huge magenta flower, a Gymnocactus perhaps? or an Echinomastus? In fact there were a few candidates for this genus, perhaps because I don’t know it well enough? There was also a flat padded Opuntia with a variegate-like marking on the pads. Interesting, but unlikely to warrant a taxonomic name.

S1822 was just five pictures taking of the Ferocactus stainsii growing on a steep cliff face.

At S1823 I’m suggesting Turbinicarpus (Gymnocactus) knuthianus  for a small globular cactus. Also near there we saw Agave gentryi.

S1824 was past the sign for Llanitos, a small hamlet, population 18 on one sign, 19 on another. Soon after we saw Agave parresonia (a close relative to A. parryi). There was even an Agave posing as an epiphyte high in the trees – one more for the ‘unusual epiphyte’ corner of a future talk. Also photographed, an Opuntia sp. hanging down the cliffs, pretending to be a promising hanging basket subject.

We reached the village of El Pajonal, rather concerned at the lack of progress and considering to turn round. No cacti, just scenery, but very nice. (S1825).

So what was the quickest way back to the hotel? Via Monterrey, or back the torturous route that we had come? We asked people in the village of El Pajonal: via Monterrey was their suggestion. As we turned the corner out of the village, there was the sight that Eunice had been wanting to show us (S1826): Agave victoria reginea growing ‘on the flat’, rather than zoom lens range on cliff faces. Due to the late hour, and the need to get back in day light, we allowed ourselves just eleven minutes here, until some of the locals invited us to form a three car convoy to town. It was long enough to take 44 images, many of the Agave, but also some from the local Echinocereus that is keeping me awake trying for an ID. I’d call it Echinocereus adustus, but that plant is not reported from this area, and none of the Echinocereae that are, fit this plant. Interesting! [Since coming home, a bit more searching suggests that Echinocereus reichenbachii ssp armatus is the closest fit and reminded me that some of the Echinocerei that I’ve been calling ‘E. pectinatus’, might be forms of E. reichenbachii or E. rigidissimus.]

S1827 is just for the scenery as we bounced for another 90 minutes through some of the most incredible scenery. The Andes are impressive, but here, the mountains press much closer in on you, sometimes making you doubt that there is room for a road to pass through.

Another great day! But long, and with 307 images to take home as souvenirs.

The other event worth reporting was that there was a power cut that took out all the electricity for our hotel and the one next door, plus the shared restaurant. We were enjoying a bottle of Casillero del Diablo – Cabernet Sauvignon and guacamole as starters. They let us have the guacamole for free, but we had to pay for the wine, before crossing the road to a Brazilian restaurant for the usual unlimited meat feast that we had experienced earlier on our travels in Brazil.

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