Observation 96855: Psathyrella (Fr.) Quél.
When: 2012-06-07
No herbarium specimen

Notes: These were growing in a marshy area on the ground(humus) next to the base of the plant, whose leaf is holding the specimens in the photos.
The caps were about 1 cm across or less. The stems were up to 4.3 cm high and 1 mm thick.
Spores were ~ 13-15 X 7-8 microns with a germ pore.
I could not find any significant gill cystidia of any kind except the one pictured in the photo, which was lageniform and ~ 30 X 12 Microns.
The basidia appeared to be 2 spored(see photo) and rather small, ~ 19 X 13 microns.
Looked briefly through A. H. Smith’s Psathyrella tome, especially under section Psathyrella, and could not find a match.

Images

226340
226341
226343
Spores in KOH @ 1000X
226347
Spores and gill trama in Congo Red @ 1000X.
226348
Basidia in Congo Red @ 1000X.
226349
Gill cystidia(?) in Congo Red @ 1000X.

Proposed Names

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Created: 2012-06-09 17:37:27 PDT (-0700)
Last modified: 2012-06-09 17:37:27 PDT (-0700)
Viewed: 18 times, last viewed: 2014-03-06 14:11:33 PST (-0800)
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