Observation 29935: Cortinarius (Pers.) Gray

When: 2009-12-08

Collection location: Bon Tempe Reservoir, Marin Co., California, USA [Click for map]

Who: Ron Pastorino (Ronpast)

No specimen available

These seem to be one of those Corts that comes out of the ground aged and ugly…caps that are distorted and fragile and difficult to photograph.
The spores averaged about 8.2 X 5.0 microns.
KOH on the cap= brown and light brown on the cap flesh. Minimal reaction on the stipe.

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Add Comment
Verily, Sir Rockefeller, I did make note
By: Ron Pastorino (Ronpast)
2009-12-10 11:10:04 CST (-0500)

of the odor but did not add it to the Observation. What I wrote down on my worksheet was “Odor, sl. ?”. Not too illuminating but it goes to the heart of my apparent inability to put specific names on subtle odors. The specimens were fairly old so I was also suspicious that any odor I detected could be related to the onset of decay.

Good point.
By: Dimitar Bojantchev (dimitar)
2009-12-10 01:14:07 CST (-0500)

Yes, this is an omission and an important one indeed — see, both Ron and you (I think) brought some amazing blue Corts last Friday that quickly discolor brownish, but have a distinct odor of grapes!! Thank you for pointing that out. I assume that Ron smelled it and didn’t record the odor only because it was trivial. But he can explain that better whether an omission due to carelessness, or just a shortcut in describing the observation.

By: Alan Rockefeller (Alan Rockefeller)
2009-12-10 00:46:14 CST (-0500)

How can you call the observation complete when he didn’t record the odor?

No idea. Frbs. too old.
By: Dimitar Bojantchev (dimitar)
2009-12-10 00:17:51 CST (-0500)

Looking at the spores I’d imagine this to be one of the blue Corts that paled out, but the lack of bulbous stem throws a wrench in that determination… Otherwise, the KOH is right there. Nice and complete observation.

Created: 2009-12-09 13:17:29 CST (-0500)
Last modified: 2009-12-09 13:17:29 CST (-0500)
Viewed: 71 times, last viewed: 2018-02-04 17:20:10 CST (-0500)
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