Name: Rhodocybe caelata (Fr.) Maire
Most Confident Observations:
Copyright © 2009 Irene Andersson (irenea)
Copyright © 2012 Gerhard Koller (Gerhard)
Copyright © 2013 Douglas Smith (douglas)
Version: 4
Previous Version 

First person to use this name on MO: Nathan Wilson
Editors: walt sturgeon, Jacob Kalichman


Rank: Species

Status: Accepted

Name: Rhodocybe caelata

ICN Identifier: missing

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Author: (Fr.) Maire

Citation: Bull. trimest. Soc. mycol. Fr. 40(4): 298 (1926) 1924

Deprecated Synonyms: Rhodocybe dubia J. Favre, Clitopilus caelatus


Domain: Eukarya

Kingdom: Fungi

Phylum: Basidiomycota

Class: Agaricomycetes

Order: Agaricales

Family: Entolomataceae

Genus: Rhodocybe

Brief Description: [See More | Edit]

Pileus 5-20(-30) mm, convex, then applanate, with or without (slightly; depressed centre, with involute then more or less straight margin, weakly hygrophanous, not translucently striate, dark grey or grey- brown (Mu. 10 YR 3/1-2) paler at margin (10 YR 5-6/4), finely pubescent, often with micaceous sheen, becoming minutely, often con- centrically, areolate-rimose, but often glabrescent with age, slightly pallescent on drying. Lamellae, L = 20-25, 1 = 1-3(-5), moderately distant, broadly adnate, often with decurrent tooth to subdecurrent, sometimes transvenose or intervenose, arcuate then segmentiform, finally ventricose, up to 3.5 mm broad, cream-colour then pinkish (10 YR 8/3-4 then 7.5 YR 8/3-4) with entire, concolorous edge. Stipe 20-40 × 2-3 mm, cylindrical, sometimes flexuose, solid then fistulose, sepia- ceous or grey-brown (10 YR 4-5/3-4), minutely pubescent at first, glabrescent with age, then almost polished, remaining pruinose at apex only. Context thin, concolorous with surface or slightly paler in pileus, fibrous, paler than surface in stipe. Smell not distinct. Taste mild.

Spores (6.5-)7.0-9.0 × 4.0-5.0 µm, Q = 1.5-2.0, Qav = 1.75, ellipsoid to oblong, minutely nodulose-pustulate in outline. Basidia 18-32 × 6-9 µm, 4-spored, clampless. Lamella edge heterogeneous. Pseudocystidia abundant, cylindrical to clavate, sometimes with conical tip, 4-12 µm wide, with yellowish, granular contents. Pileipellis a dry cutis of narrow, cylindrical hyphae, 3.5-7 µm wide; subpellis irregular, made up of strongly interwoven, tightly packed cylindrical hyphae. Pigment incrusting in subpellis and pileitrama. Clamp-connections absent.

Habitat & distr. – In grassland, preferably on poor, acid, sandy soils; in Juniperus heaths. Rare. July-Nov. Wide-spread in Europe and North America, recorded from grassland and forest, sometimes growing on forest litter.

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