Name: Psathyrella bipellis
Author: (Quél.) A.H. Sm.
Citation: J. Elisha Mitchell scient. Soc. 62: 187 (1946)
Pileus: Glabrous except some times at the margin with white veil fragments, but the context often splitting into scales; not viscid. Colour dark purple to purple-red when young, fading to light purple-pink when wet. Hygrophanous, fading to drab, pallid pink-tan.
Lamelle: Pink when young, turning brown to dark brown with a reddish tinge, and white fimbriate- the gill edge nearest where the lamelle meet the stipe are dusted white. Adnate attachment.
Stipe: Hollow, brown-pink or pale pink, often minutely fibrillose near the base, turning abruptly canescent snow white at the apex where the gills meet.
Spores: 12-15 × 6-7.5µm, smooth, elliptic to suboblong, with apical germ pore.
Basidia: 4-sterigmate, 20-30 × 10-14µm
Pleurocystidia: Scattered, 50-70 × 10-18µm, fusoid-ventricose, apex rounded to some what capitate.
Cheilocystida: Similar to Pleurocystidia but smaller.
Caulocystidia: Scattered in clusters, similar to Pleurocystidia but often larger, up to 100µm in length, apex obtuse.
Created: 2007-06-19 12:18:33 IST (+0530) by Nathan Wilson (nathan)
Last modified: 2010-04-08 00:23:36 IST (+0530) by Erin Page Blanchard (CureCat)
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