328 COLLYBIA 



striate, only slightly velvety at the thickest part. Gills deep ochre, 

 sinuato-adnate, 5-8 mm. broad, distant. Flesh pale, then yellowish, 

 somewhat rufous at the base of the st., thick at the disc, firm. Spores 

 white, oblong, 7-8 x 3-4/n, 1-2-guttulate. Caespitose. Interior of a 

 rotten elm stump, and in timber yards. Sept. Jan. Uncommon, (v.v.) 



1023. C. platyphylla (Pers.) Fr. (= Collybia grammocephala (Bull.) 

 Quel.; Collybia platyphylla var. repens Fr.) Holland, Champ, 

 t. 47, no. 101, as Collybia grammocephala. 



7rA.aTU9, broad; $v\\ov, leaf. 



P. 5-20 cm., fuscous, or cinereous, becoming whitish, fleshy mem- 

 branaceous, thin, fragile, convex, soon flattened, obtuse, watery when 

 moist, streaked with bistre fibrils. St. 7-12 x 1-2 cm., whitish, equal, 

 fibrillosely striate, apex sometimes pruinose, arising from a network of 

 white, creeping, string-like mycelium. Gills white, obliquely truncate 

 behind, slightly adnexed, very broad, 10-15 mm., distant, soft. Flesh 

 white, thin at the margin. Spores white, broadly elliptical, 8-10 x 6- 

 8fji, 1-guttulate; "cystidia sack-shaped-club-shaped, 14/A broad" 

 Lange. Woods. May Nov. Common, (v.v.) 



1024. C. fumosa (Pers.) Quel. (= Collybia semitalis Fr. sec. Quel. : 

 Tricholoma immundum Berk. sec. Bres.) Bres. Fung. Trid. 

 t. 156. Fumosa, smoky. 



P. 3-9 cm., pitch black, lurid grey, or smoky greyish, becoming paler 

 and spotted fuscous, fleshy, convexo-campanulate, then expanded and 

 depressed, silky, then smooth; margin undulate, finally splitting. St. 

 4-8 x -5-1-5 cm., concolorous, or paler, subequal, subcartilaginous, 

 somewhat fibrillosely striate, base sometimes bulbous. Gills greyish- 

 cinereous, rounded behind, or truncate and free, veined at the sides, 

 spotted with black when touched. Flesh cinereous, becoming whitish, 

 thick at the disc. Spores white, globose, 6-7 /z, 1-guttulate. Smell 

 rancid, taste bitterish. Caespitose. Woods, and pastures. Sept. 

 Oct. Not uncommon, (v.v.) 



1025. C. crassifolia (Berk.) Bres. (= Tricholoma crassifolium Berk.) 

 Bres. Fung. Trid. t. 157. Crassus, thick; folium, leaf. 



P. 4-7 cm., lurid ochraceous, disc fuscous, becoming concolorous, 

 fleshy, convex, or campanulate and umbonate, then expanded and 

 depressed silky, becoming smooth; margin undulate, or lobed. St. 

 2-5-5 x -5-1-5 cm., white, becoming fuscous, often attenuated at the 

 base, pruinose, becoming smooth, round, or compressed, subcarti- 

 laginous. Gills whitish-grey, becoming bluish and finally blackish when 

 touched, rounded behind, adnexed, sometimes forked, distant, broad, 

 thick, fleshy. Flesh white, spotted black when broken, thick at the disc. 

 Spores white, globose, 5-7 /x, 1-guttulate. Smell strong, rancid, taste 

 mild. Coniferous woods. Oct. Uncommon, (v.v.) 



