The choice of Rebutia cintia was perhaps not the best. There is already a Rebutia knizei (part of the R. pygmaea group) and, as you say, there is a R. cinitensis which Hunt et al. refer to R. fiebrigii. The inclusion of Weingartia brings a Weingartia cintiensis which they reduce to Rebutia fidana ss...

There must be lots of buds forming if you look closely low down on the sides - little bundles of fluff.

That book was rather a while ago wasn't it?

Are you not concerned that salts might build up in the soil because they are never 'flushed through'?

It was in their advert in the journal (I been through this puzzle today - searching their website, searching the posts on here because I thought someone had mentioned it). The ad also says visitors by appointment, but it's a safe bet that tomorrow will be busy. I haven't been for about 13 years but ...

"Mammillaria matudae" in google images

Two more found using google:
http://website.lineone.net/~igandjm.rob ... atudae.jpg
http://home-and-garden.webshots.com/pho ... 6201EMzkQu

[quote=Maria J]How is it kept in the pot?? I supposed you make a smallish hole, insert the roots then fill with the soil mixture... But the M. matudae is quite large! I would be worried about the weight pulling it straight out the pot!![/quote]If it's a decent-sized plant with a well established roo...

Regarding upsidedown Mammillaria, I've just found these pics whilst browsing one of the links in the Adromischus thread:
http://public.fotki.com/grootscholten/c ... simav.html
http://public.fotki.com/grootscholten/c ... esize.html

[quote=Hob]johns new list came yesterday ...still only 2 species on there
[/quote] Grrrr, not updated online yet. I might have to get a paper copy as there's quite a few things on his old list that I fancy.

[quote=Lindsey]I have bought Adromischus plants from John Pilbeam's nursery (Connoisseurs' Cacti), but I don't know if he does mail order - worth a try.
[/quote]Yes, he does do mail order see here. He only had 2 sp on last year's list, although I think this year's list is imminent.