COLLYBIA 341 



1068. C. atrata Fr. Cke. Illus. no. 212, t. 155, upper figs. 



Atrata, clothed in black. 



P. 2-4 cm., pitch-black and shining, becoming fuscous when dry, 

 slightly fleshy, firm, piano-depressed at the disc, convex at the margin, 

 orbicular, smooth, viscid when very wet. St. 2-5-5 cm. x 3-7 mm., 

 fuscous, very cartilaginous, tough, equal, or thickened upwards, round, 

 smooth. Gills whitish, then grey, becoming fuscous, adnate, scarcely 

 decurrent, arcuate, then plane, rather broad, subdistant. Flesh 

 fuscous, especially in the St., thin. Spores white, globose, 5/n, with a 

 large central gutta. Smell none, or strong, and unpleasant. Charcoal 

 heaps, and burnt soil. July Dec. Not uncommon, (v.v.) 



1069. C. ambusta Fr. Cke. Illus. no. 212, t. 155, lower figs. 



Ambusta, scorched. 



P. 1-2-5 cm., fuscous, becoming greyish, submembranaceous, convex, 

 then plane, at length depressed, umbonate with a minute papilla, 

 smooth, becoming slightly striate. St. 2-3 cm., concolorous, cartila- 

 ginous, tense, straight, pruinose when young. Gills pallid, becoming 

 fuscous, adnate, with a decurrent tooth, lanceolate, plane, crowded. 

 Flesh becoming whitish, thin. Spores white, globose, 5/x, very minutely 

 warted, "4-5-angled" Rick. Burnt soil, and charcoal heaps. July 

 Nov. Common, (v.v.) 



**Gills broad, rather distant. 



1070. C. lacerata (Lasch) Berk. Bres. Fung. Trid. t. 19. 



Lacerata, torn to pieces. 



P. 2-5 cm.., fuscous fuliginous, becoming pale, fleshy-membranaceous, 

 campanulate, then convex and umbilicate, somewhat moist, streaked 

 with fuscous lines; margin fimbriately torn, splitting with age. St. 

 4-7 cm. x 4-6 mm., pallid, equal, at length compressed, fibrillosely 

 striate, firm, often twisted, apex floccoso-pruinose, base white-tomen- 

 tose, somewhat rooting. Gills white-grey, rounded behind, adnate, 

 broad, thick, somewhat crowded, or distant. Flesh greyish white, 

 thin, firm. Spores white, subglobose, 6-7 /z, 1-guttulate, "sub-granu- 

 lar" Rick. Caespitose. Fir woods, often on stumps. Autumn. Rare. 



1071. C. murina (Batsch) Fr. Murina, of mice. 

 P. 3-4 cm., fuscous brown, becoming pale, slightly fleshy, campanu- 



lato-convex, then expanded, obtuse, or umbilicate, slightly wrinkled, 

 or very thinly squamulose, tough; margin at first involute. St. 5-8 cm. 

 x 3-4 mm., white, becoming cinereous, equal, tense, straight, delicately 

 fibrillose, apex flocculose when young, base pubescent. Gills white, 

 becoming cinereous, attenuato-adnexed, very broad, almost obovate, 

 rather thick, distant. Flesh greyish white, thin, tough. Spores 

 white, " subfusiform-elliptical, 8-9 x 3-4/u," Rick. Woods, and 

 under oaks. Oct. Uncommon. 



