Observation 93299: Conocybe Fay.
When: 2012-04-21
Who: zaca
No herbarium specimen

Images

214801
214802
214803
214804
214805
Microscopy – Spores and basidia;
214806
Microscopy – Cystidia;
214807
Microscopy – Pileipellis.
214865
Pileipellis – New1;
214866
Pileipellis – New2;
214867
Stiptipellis.

Proposed Names

7% (2)
Eye3
Based on microscopic features
72% (3)
Eyes3
Recognized by sight
Based on microscopic features: Lecythiform cystidia, smooth ellipsoid tan spores with clear germ pore.

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Eye3 = Observer’s choice
Eyes3 = Current consensus

Comments

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No further success …
By: zaca
2012-04-26 21:11:17 FNT (-0200)

… in the new observations of the stiptipellis. Maybe next time with fresh material I will do better. Thanks again, Douglas.

There it is
By: Douglas Smith (douglas)
2012-04-26 15:20:02 FNT (-0200)

There, now you can see the cap surface is cellular clearly. That is the single layer of globose cells there on the surface. Need to see the caulocystidia on the upper stipe to tell what section of Conocybe to look for here, but other than that, nice obs. of a Conocybe.

New data added.
By: zaca
2012-04-25 20:05:25 FNT (-0200)

To Douglas: The basidia are 4-spored. You were right, the structure of the peleipellis is cellular. I don’t know the reason for the difference, but now I observed a part from the midle of the cap whereas before I made the preparation from the top of the cap. However, the structures found there are not of the the same as the lecythiform cystidia found in the edge of the gill (please see the new photos attached). Concerning the stiptipellis, I was not able to found cystidia there.

To Irene: Thanks for the hint. I was looking to the webpage ambmuggia
and morphologically they are very similar. However, the microscopy seems a bit different, starting with the dimensions of the spores (there the averages are 11,96 × 6,6 µm). Please see the new photos added.

Have a look at
By: Irene Andersson (irenea)
2012-04-25 16:39:31 FNT (-0200)

Conocybe semiglobata

Thanks, Douglas.
By: zaca
2012-04-25 16:35:26 FNT (-0200)

I chose Galerina just because of the filamentous cap cuticle. I will repeat the microscopy soon.

Need…
By: Douglas Smith (douglas)
2012-04-25 15:18:57 FNT (-0200)

Need to get the mixture of cystidia on the stipe apex also here, how many spores per basidia? But clearly a Conocybe here, you should re-do the cap surface details to see the cellular surface.

Created: 2012-04-25 13:23:07 FNT (-0200)
Last modified: 2012-04-26 16:54:44 FNT (-0200)
Viewed: 118 times, last viewed: 2016-01-18 17:05:49 FNT (-0200)
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