Observation 140838: Galerina Earle
When: 2013-07-18
No herbarium specimen

Notes: In a mixed forest, growing on a log, near water. Ring present in some, disappearing too. Stem bends without breaking (not fragile), very dark brown, hollow, dark brown inside. Bottom of stem (in some) covered with with white tissue and white hairs, rather thick. Caps up to 3.5 cm across. Gills light brown when young.

Spores ~7 × 4. Basidia 4-spored, ~ (20 + 4) x 6. Band of cheilocystidia, ~25 × 8. Pleurocystida scattered, 60 × 10.

Images

351738
351739
Spores in KOH.
351740
351741
Cheilocystidia.
351742
Basidia and and a floating pleurocystidium (?). From a thin slice including gill edge.
351743
Caulocystidia.
351744
Pileipellis. Clamps present.
351745
Pileipellis.
352023

Proposed Names

28% (1)
Recognized by sight
53% (3)
Eye3 Eyes3
Recognized by sight

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Eye3 = Observer’s choice
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Comments

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Douglas (Kuehneromyces vs. Galerina)
By: Sava Krstic (sava)
2013-07-25 01:21:08 PDT (-0700)

Germ pores are not always visible, but sometimes they are. I added a photo that shows them more clearly. (This photo was taken at 1000x, the previous one at 400×.)

Thanks for pointing out that Kuehneromyces has cheilocystidia. Clearly, there is an error in the book I used.

Do you (or anyone else) happen to know what are the features used to distinguish Kuehneromyces from Galerina?

Spores?
By: Douglas Smith (douglas)
2013-07-24 10:21:31 PDT (-0700)

I can’t quite tell, do the spores have a germ pore or not? It looks like maybe a few of them seem to have a germ pore. It might be good to see if the spores are dextrinoid or not also, you have shots here in KOH, but not Meltzer’s? Are those photos of spores at 1000x? They look small.

But Kuehneromyces certainly does have cheilocystidia, plenty of them, you can see that here:

http://mushroomobserver.org/46639

They don’t have pleurocystidia though… In any case, not convinced yet this might be Galerina.

Yeah
By: Christian (Christian Schwarz)
2013-07-24 09:28:22 PDT (-0700)

I was going to also suggest Galerina, but for some reason the gestalt seemed too odd. Neat one.

Richard
By: Sava Krstic (sava)
2013-07-24 00:52:34 PDT (-0700)

I was not able to eliminate Galerina and this would be now my best bet too. Last year I found what appeared to be Galerina mammillata (Observation 100058), but this doesn’t look quite the same (gills are closer).

Thanks!

sava…
By: Richard and Danielle Kneal (bloodworm)
2013-07-24 00:08:08 PDT (-0700)

ok…i thought purple was present in the photographs of the stipe…

i think it is Galerina…

Kuehneromyces
By: Sava Krstic (sava)
2013-07-24 00:05:48 PDT (-0700)

@Christian:: Kuehneromyces was the first genus that came to my mind when I saw these, but then I read “cheilocystidia never present” (in boldface) in Largent & Barony’s “How to ID … VI”.

@Richard:: I’m not seeing purple, definitely not in the spore print.

with…
By: Richard and Danielle Kneal (bloodworm)
2013-07-23 22:59:59 PDT (-0700)

all that purple?

Could it be
By: Christian (Christian Schwarz)
2013-07-23 22:47:33 PDT (-0700)
With this veil
By: Sava Krstic (sava)
2013-07-23 22:01:07 PDT (-0700)

… and cystidia, can it be a Cortinarius?

Created: 2013-07-23 21:14:48 PDT (-0700)
Last modified: 2013-07-24 09:28:42 PDT (-0700)
Viewed: 86 times, last viewed: 2016-10-12 10:08:57 PDT (-0700)
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