Observation 60665: Cortinarius emunctus Fr.

These were very slimy, both caps and stems. They were growing near chinkapin and huckleberry and the caps were up to 5.7 cm across.
It was difficult to pick up with the camera, but they did have a pale lilac or blue tint to both cap and stipe.
The spores were ~ 7.5-8.8 X 6.0-6.3 microns and sl. rough.
KOH on the cap turned somewhat brownish after making its way through the slime layer.
Did not detect any strong odor.



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Thanks Emma
By: Irene Andersson (irenea)
2013-01-07 09:56:47 CST (-0500)

I also agree that these with rounded spores ought to be in sect. Delibuti.

Myxacium and Phlegmacium
By: Emma Harrower (eharrower)
2013-01-07 09:03:25 CST (-0500)

Myxacium and Phlegmacium are not monophyletic. I use Tuula Niskanen’s classification in Funga Nordica, where she places C. delibutus in section Delibuti. Myxacium has been used to describe the clade containing C. mucosus and C. collinitus. Phlegmacium has been used to describe the clade containing C. saginus.

Cortinarius infrageneric relationships
By: Drew Parker (mycotrope)
2013-01-06 11:39:57 CST (-0500)

There is also this paper from 2004.
Looks like current concepts will not endure.

A study from 2001
By: Irene Andersson (irenea)
2013-01-06 06:27:39 CST (-0500)

has placed the Delibutus section separate, close to Anomali.
According to this phylogram http://www.amjbot.org/content/88/12/2168/F3.large.jpg
- Phlegmacium doesn’t hold as a separate section. It’s spread all over, and so is Myxacium… Maybe Emma can shed more light on this.

Thanks Emma,
By: Ron Pastorino (Ronpast)
2013-01-05 22:15:45 CST (-0500)
I did find another collection a couple of days ago in the same location.. http://mushroomobserver.org/122056 Dimitar Bojantchev agrees that they are in the Delibutus group. Seems that recent DNA studies(unpublished?) have shown these types to be squarely in the Phlegmacium subgenus.
Cortinarius delibutus group?
By: Emma Harrower (eharrower)
2013-01-05 15:39:20 CST (-0500)

It looks like it could be the in C. delibutus group. I’ve seen collections with a viscid ochre cap, and others with a purple cap. Maybe there’s one with a purple stipe too. This group needs to be worked on.

Created: 2010-12-12 11:31:46 CST (-0500)
Last modified: 2016-01-23 11:07:31 CST (-0500)
Viewed: 234 times, last viewed: 2018-04-29 16:37:49 CDT (-0400)
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