PANAEOLUS. MYCENA 373 



marginal zone, and the dingy brown st. On dunghills after rain. June 



July. Not found since the time of Bolton. 



P. caudatus (Fr.) Quel. = Psathyrella caudate Fr. 



P. atomatus (Fr.) Quel. = Psathyrella atomata Fr. 



tfMargin of pileus straight, at first adpressed to the stem. 



Spores white. 



Mycena Fr. 



(jiv/cr)*;, a fungus.) 



Pileus fleshy, or submembranaceous, regular; margin straight, 

 never incurved. Stem central, cartilaginous. Gills adnate, or sinuato- 

 adnate with a decurrent tooth. Spores white, elliptical, oval, globose, 

 or oblong elliptical; smooth, punctate, or verrucose; continuous. 

 Cystidia present, very rarely absent. Growing on the ground, or on 

 wood; solitary, or caespitose. 



I. St. juiceless, base not dilated into a disc. Edge of gills 

 darker, denticulate. 



1186. M. pelianthina Fr. (= Mycena denticulata (Bolt.) Quel.) Cke. 

 Illus. no. 216, t. 156, fig. 1. 7T\iaivojjiai, to be livid. 



P. 2-4 cm., pale purple livid, becoming whitish when dry, diaphanous, 

 fleshy, convex, obtuse, or obsoletely umbonate; margin striate. St. 

 5-8 cm. x 2-5 mm., concolorous, equal, sometimes incurved at the 

 base, firm, apex fibrillosely striate. Gills dark violaceous, edge blackish 

 violet, denticulate, truncato-adnexed, very sinuate, distant, very ele- 

 gantly connected by a network of veins. Flesh whitish, somewhat yellow- 

 ish under the pellicle of the p., thick at the disc. Spores white, elliptical, 

 67 x 3jii, 1-2-guttulate. Basidia clavate, with 4-sterigmata. Cys- 

 tidia filled with a dark purplish juice or colourless, cylindric-fusiform, 

 60-100 x 10-12jLt. Smell of radish. Amongst dead leaves in woods, 

 especially beech. Aug. Nov. Common, (v.v.) 



1187. M. carneosanguinea Eea. Caro, flesh; sanguinea, blood-red. 

 P. 2-5-3 cm., livid grey, disc tinging rufous, becoming paler, fleshy, 



convex, subumbonate, smooth. St. 4 cm. x 5-9 mm., grey, equal, 

 base yellowish, incrassated, clad with short mycelial strands. Gills 

 dull purplish brown, adnate, broad in front; edge denticulate, blood-red. 

 Flesh of p. and apex of st. white, changing to blood-red. Spores white, 

 elliptical, 4-5 x 2-3/x, 1-guttulate. Woods. Aug. Sept. Uncommon. 

 (v.v.) 



1188. M. marginella Fr. (= Mycena mirabilis Cke. & Quel.) Cke. 

 Illus. no. 1148, t. 951, fig. A, as Mycena mirabilis Cke. & Quel. 



Margo, a border. 



P. 6-8 mm., somewhat fuscous when young, fleshy, campanulate, 

 umbo darker, smooth, slightly striate elsewhere and somewhat 



