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n. sp.
By: Michael W (Michael Wallace)
2011-07-09 08:44:52 CEST (+0200)

This is most likely a new species of Cortinarius subgenus Telamonia section Armillati, species belonging in this section are typically characterised by a red-orange pigmented universal veil which has distinct reactions with alkaline reagents, the reaction in this species is very distinctly blood red exclusively in the hyphae of the stipital veil, this reaction is further accentuated by the complete lack of reaction in the stipitipellis.

Thanks Karl,
By: Michael W (Michael Wallace)
2011-04-30 10:27:30 CEST (+0200)

Thanks for your comments here, I was also not sure about this collection, I’m sure this is closely related to the Dermocybe group due to the orange-red girdles on the stipe that turn blood red in 3%KOH which I assume indicates the presence of
anthraquinonic pigments.

To me the microscopic characteristics seemed to match what you have described for C. ignellus

I suspect this is one of the species that E. Horak places in the subgenus Icterinula.
Here is a link to the landcareresearch page, there is a link at this page with images, one or two of which look like they could be the same species.

I have a dried collection of this species, maybe you would like to look at it when we meet up?

Agree on almost all
By: Karl Soop (karlsoop)
2011-04-30 09:02:18 CEST (+0200)

Mike, I like your diagnostics on all finds from Kaimanawa, except this one. I don’t know what species it is, and would like to meet it. C. ignellus has a yellow stipe, and more orange cap. The Austroboletus, Descolea, Phellodon, Amanita I know, and they are just fine. I don’t know the Entoloma. The Cortinarius xenosma could be C. caryotis (in the same group), but it is not certain.