Observation 65242: Deconica inquilina (Fr.) Romagn.
When: 2011-01-22
Herbarium specimen reported

Notes: Found by Erin Blanchard, originally obs. here:

http://mushroomobserver.org/62846

The first micro-shot is of the cap surface at 400x in Meltzer’s. The cap is a cutis with a thick layer of gelatin, no pileocystidia.

The second micro-shot is of the gill edge at 400x in Meltzer’s. The cheilocystidia are fusiform, and pointed, somewhat wavy, a few are septate. No pleurocystidia were obs. Basidia were enlogated, with spacer cells, 3 and 4 spores basidia obs. No reactions to reagent in any tissues. Not many spores on basidia.

The third micro-shot is of the stipe surface at the apex at 400x in KOH. The caulocystidia are lageniform to fusiod with blunt ends. No cystidia were obs at the stipe base. Clamp con. were obs.

The forth micro-shot is of a spore on the stipe at 1000x in KOH. The spores are smooth, ellipsoid, with a germ pore, and a few, like this one, are slightly angular.

With the ixocutis, and the slightly angular smooth spores, this is a Deconica. There were not many spores found, so these were rather young at the time.

Proposed Names

76% (2)
Recognized by sight
Used references
Based on microscopic features: Cap an ixocutis, smooth ellipsoid spores with a clear germ pore, some slightly angular.
86% (1)
Eye3 Eyes3
Recognized by sight
Used references: “Strophariaceae”, Noordeloos (2011).
Based on microscopic features: Light tan gills, ellipsoid to subangular spores ~9 × 6 um in size.

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Eye3 = Observer’s choice
Eyes3 = Current consensus

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Created: 2011-04-06 06:22:39 CDT (-0400)
Last modified: 2011-08-15 23:06:55 CDT (-0400)
Viewed: 92 times, last viewed: 2016-11-18 12:20:11 CST (-0500)
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