Observation 215941: Cortinarius (Pers.) Gray
When: 2015-09-10
No herbarium specimen

Notes: Found around a large scarlet or black oak (the first leaves were so high I can’t be sure which). Caps are slimy. Stipes probably were originally as well. Oblique bulbs present on the button and one other specimen, not rimmed. Smell not distinctive. Taste varied between specimens: not distinctive, faint radish, faint sweet radish. Bugs apparently love them.

Proposed Names

27% (1)
Eye3
Recognized by sight
-28% (2)
Recognized by sight
55% (1)
Eyes3
Recognized by sight

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Eye3 = Observer’s choice
Eyes3 = Current consensus

Comments

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Spore deposit
By: Mike Hopping (AvlMike)
2015-09-12 19:26:16 EDT (-0400)

The lack of spore print or evidence of threads or annulus on the stipe is not what I expect to see with corts, but neither is the overall whiteness. This is my first rodeo with this species. One thing I do know: it doesn’t smell of pears. :)

It occurred to me earlier…
By: Dave W (Dave W)
2015-09-12 19:19:24 EDT (-0400)

the small one on the left looks like a young Cort. I thought maybe there are Corts and Agaricus present in the same photo…? But if you got a rusty-brown print from a mature one in the bunch Mike, then chalk one up for the mushrooms at my expense :-) Usually, with mature light-colored Corts, one sees spore deposit on the stipe.

Drive-by name change
By: Mike Hopping (AvlMike)
2015-09-12 17:52:08 EDT (-0400)

An unexplained name change is of very limited use, Jacob. I’m aware that some of your elders and betters also engage in this practice; the present comment applies to them as well. A muzzle flash does not constitute casting light on a subject.

Please offer a rationale for rejecting Cortinarius albidus in favor of Cortinarius. Those of us trying to learn something might benefit.

Rusty spore print
By: Mike Hopping (AvlMike)
2015-09-12 10:52:59 EDT (-0400)

Thanks for explaining your thoughts, Dave. I apologize for not including the rusty color of the spore print in my notes. I thought the cortina came through well enough on the photo, but apparently not. This is a spider-webby, not membranous veil that disappears early on, leaving no annulus or rusty threads on the stipe. So Agaricus is excluded. I thought about Hebeloma, but the combination of characters doesn’t fit the few species I know. The gill margins are colored the same as the faces and lack any sort of fringe.

I can’t quite tell…
By: Dave W (Dave W)
2015-09-12 09:45:24 EDT (-0400)

but it looks like the gills are not attached to the stipe (free). Also, the small button on the left shows a partial veil remnant that looks to be membranous rather than cortinate (stringy/weblike). Grayish gill color with a hint of pink points toward Agaricus.

Color for a sufficiently thick spore print will support/eliminate Cortinarius/Agaricus.

Created: 2015-09-11 20:16:56 EDT (-0400)
Last modified: 2015-09-12 12:46:05 EDT (-0400)
Viewed: 45 times, last viewed: 2016-10-22 20:01:26 EDT (-0400)
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