Observation 352637: Mycena aetites (Fr.) Quel.

Notes:
Growing abundantly among conifer litter. Caps and stems dry. Caps hygrophanous. Odor not distinctive. Lamellar trama vinescent in Melzer’s reagent. Clamps present. Cheilocystidia present and abundant, smooth, mucronate, obovate, fusoid-ventircose, etc. with an apical appendage that is occasionally branched. Cheilocystidia measurements from Piximetre: (34.6) 45.1 – 62 (75.7) × (8.2) 11.1 – 16.6 (17.3) µm, Q = (2) 2.8 – 5.3 (7.5); N = 29, Me = 54.1 × 14.1 µm; Qe = 4.1
Individual cheilocystidia: 49.28 × 16.42 µm, 61.20 × 16.04 µm, 54.96 × 16.67 µm, 41.74 × 17.28 µm, 41.36 × 12.24 µm, 45.10 × 16.55 µm, 51.91 × 12.01 µm, 65.44 × 16.18 µm, 34.64 × 16.92 µm, 61.03 × 15.02 µm, 60.67 × 15.94 µm, 52.02 × 9.35 µm, 55.26 × 11.33 µm, 48.18 × 16.39 µm, 57.69 × 11.55 µm, 54.47 × 11.14 µm, 58.06 × 15.23 µm, 61.99 × 8.21 µm, 60.55 × 11.42 µm, 75.75 × 11.00 µm, 51.86 × 14.38 µm, 45.30 × 16.42 µm, 51.60 × 11.87 µm, 59.84 × 15.99 µm, 49.02 × 16.03 µm, 49.15 × 16.49 µm, 47.92 × 11.58 µm, 60.43 × 16.04 µm, 63.30 × 11.89 µm
Pleurocystidia present but rare, similar to the cheilocystidia. Spores smooth, thin-walled and slightly amyloid. Spore measurements from Piximetre: (7.3) 7.7 – 10.2 (11) × (4) 4.3 – 5.3 (5.9) µm, Q = (1.5) 1.7 – 2.1 (2.2); N = 30, Me = 8.8 × 4.8 µm; Qe = 1.9
Individual spores: 8.70 × 4.25 µm, 10.44 × 5.04 µm, 8.55 × 4.94 µm, 10.52 × 4.85 µm, 8.89 × 4.64 µm, 7.95 × 4.33 µm, 8.74 × 3.99 µm, 9.26 × 5.22 µm, 8.70 × 4.72 µm, 8.23 × 4.79 µm, 11.04 × 5.81 µm, 8.30 × 5.34 µm, 7.73 × 4.05 µm, 7.98 × 4.92 µm, 10.00 × 4.98 µm, 7.62 × 4.57 µm, 9.03 × 4.86 µm, 9.05 × 5.85 µm, 9.85 × 4.82 µm, 9.98 × 5.32 µm, 10.16 × 4.65 µm, 8.58 × 4.48 µm, 7.96 × 4.82 µm, 8.12 × 4.29 µm, 8.65 × 4.18 µm, 7.29 × 4.33 µm, 7.99 × 4.25 µm, 8.51 × 5.07 µm, 7.60 × 4.54 µm, 9.22 × 4.80 µm

Species Lists

Images

20181225_135149 crop.jpg
20181225_135048.jpg
20181225_135052.jpg
DSC_8240 Hyphae in the lamellar trama, basidia and spores at 400x in Melzer's.JPG
DSC_8241 Basidia and spores at 400x in Melzer's.JPG
DSC_8244 Spores, vinescent lamellar trama, basidia and cystidium at 400x in Melzer's.JPG
DSC_8517 Spores at 400x in distilled water.JPG
DSC_8536 Spores, basidia and hyphae in the lamellar trama at 400x in Melzer's.JPG
DSC_8538 Gill at 100x in Melzer's.JPG
DSC_8543 Gill at 100x in Melzer's.JPG
DSC_8546 Spores, basidia and cheilocystidia at 400x in Melzer's.JPG
DSC_8560 Spores, cheilocystidia and basidia at 400x in Melzer's.JPG
DSC_8563 Spores, cheilocystidia and basidia at 400x in Melzer's.JPG
DSC_8578 Spores and cheilocystidia on gill edge at 400x in NH4OH (2 drops), congo red (1 red) and phloxine (1 drop).JPG
DSC_8579 Spores and single pleurocystidium found at 400x in NH4OH (2 drops), congo red (1 red) and phloxine (1 drop).JPG
DSC_8585 Spores, basidia and cheilocystidia at 400x in NH4OH (2 drops), congo red (1 red) and phloxine (1 drop).JPG
DSC_8589 Cheilocystidia, basidia and spores at 400x in NH4OH (2 drops), congo red (1 red) and phloxine (1 drop).JPG
DSC_8591 Cheilocystidia, basidia and spores at 400x in NH4OH (2 drops), congo red (1 red) and phloxine (1 drop).JPG
DSC_8592 Cheilocystidia, basidia and spores at 400x in NH4OH (2 drops), congo red (1 red) and phloxine (1 drop).JPG
DSC_8598 Cheilocystidia, basidia and spores at 400x in NH4OH (2 drops), congo red (1 red) and phloxine (1 drop).JPG
DSC_8603 Cheilocystidia, basidia and spores at 400x in NH4OH (2 drops), congo red (1 red) and phloxine (1 drop).JPG
DSC_8607 Hyphae in the pileipellis context at 400x in NH4OH (2 drops), congo red (1 red) and phloxine (1 drop).JPG
DSC_8619 Pileipellis at 400x in NH4OH (2 drops), congo red (1 red) and phloxine (1 drop).JPG
DSC_8635 Stem context at 400x in NH4OH (2 drops), congo red (1 red) and phloxine (1 drop).JPG

Proposed Names

29% (1)
Recognized by sight
4% (2)
Recognized by sight
Based on microscopic features
48% (2)
Recognized by sight

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= Observer’s choice
= Current consensus

Comments

Add Comment
I am currently unable to.
By: Django Grootmyers (heelsplitter)
2019-01-27 22:55:58 CST (-0500)

I sent this collection to Stephen Russell for sequencing and it’s currently at Purdue.

Can you check if the pileipellis and stipitipellis hyphae are diverticulate
By: Renée Lebeuf (Renée Lebeuf)
2019-01-27 21:55:07 CST (-0500)

(and degree for the stipe) and/or embedded in gelatin. Just rehydrate and detach a very thin layer of the cap and stipe surface to verify.

What information is it?
By: Django Grootmyers (heelsplitter)
2019-01-27 21:37:40 CST (-0500)

I might be able to give you more information.

I’m missing information to get a more certain ID
By: Renée Lebeuf (Renée Lebeuf)
2019-01-27 21:19:36 CST (-0500)

but macroscopically and with the microscopic characters given, it’s the closest I get.

The ones I had found…
By: Dave W (Dave W)
2018-12-26 16:41:17 CST (-0500)

were (to my memory) grayer than my photos suggest. But 352637 has stipes completely gray, and this appears to be lacking from 351738. Still, if not the same species then likely candidates for some group of relatives.

Thanks!
By: Django Grootmyers (heelsplitter)
2018-12-26 15:59:40 CST (-0500)

These did fade a bit and become less gray a couple of hours after picking. I’ll scope these and then send them with all of the rest of my Indiana collections to Stephen Russell for sequencing

Really nice photo, Django!
By: Dave W (Dave W)
2018-12-26 15:32:23 CST (-0500)

At first I thought this may be the same species as obs 351738. But, aside from being much more completely gray than my 351738, yours lack the cross-veins on the hymenium. The habitat is the same.

Created: 2018-12-26 00:28:12 CST (-0500)
Last modified: 2019-05-16 11:18:42 CDT (-0400)
Viewed: 120 times, last viewed: 2019-05-16 18:31:14 CDT (-0400)
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