286 CLITOCYBE 



branaceous, striate, soon expanded. St. 4-7 cm. x 4-6 mm., whitish, 

 tough, equal, smooth, apex white-silky. Gills greyish, decurrent, acute 

 at both ends, thin, subdistant, soft. Flesh greyish, thin. Spores 

 white, "broadly elliptical, 7-9 x 6-7 ft, smooth" Rick. Taste mild. 

 Edible. Woods, and pastures. Aug. Nov. Not uncommon, (v.v.) 



870. C. albo-cinerea Rea. Trans. Brit. Myc. Soc. iv, t. 8. 



Albus, white; cinerea, ash-coloured. 



P. 2-3 cm., cinereous fuscous, becoming pale, fleshy, convexo-um- 

 bilicate, then expanded and cup-shaped, silky; margin involute. 

 St. 5-6 cm. x 3-5 mm., white, equal, smooth, base white-tomentose. 

 Gills white, decurrent, narrow, 1-2 mm. broad, crowded. Flesh white, 

 thin, firm. Spores white, elliptical, 56 x 4/x,, minutely punctate. 

 Smell and taste pleasant. Edible. Woods, and pastures. Sept. 

 Oct. Not uncommon, (v.v.) 



871. C. obbata Fr. Fr. Icon. t. 57, fig. 1. Obbata, a kind of cup. 

 P. 2-3 cm., fuscous blackish, or cinereous, becoming very pale when 



dry, submembranaceous, convexo-plane, with a broadly umbilicate disc, 

 smooth, striate to the middle. St. 4-5 cm. x 2-4 mm., fuscous cinereous, 

 equal, often compressed, ascending, or flexuose, striate with white, 

 base often subbulbous. Gills dark, cinereous, slightly decurrent, distant, 

 broad. Flesh ochraceous, thin. Spores white, broadly elliptical, 

 9-10 x 6-7 /x. Taste mild. Edible. Woods, and pastures. Sept. 

 Jan. Uncommon, (v.v.) 



872. C. pruinosa (Lasch) Fr. (= Omphalia litua Fr. sec. Quel.) 



Pruinosa, rimy. 



P. 2-5-5 cm., brown, becoming cinereous, hygrophanous, fleshy- 

 membranaceous, umbilicate, and covered with a lead-grey pruina, then 

 broadly infundibuliform and smooth, sometimes squamulose. St. 

 2-5-5 cm. x 2-4 mm., concolorous, or paler, equal, often ascending, 

 or curved, fibrillose. Gills white, then dingy, or bistre, decurrent, 

 crowded, narrow, arcuate, then scythe-shaped. Flesh becoming cinere- 

 ous, thin. Spores "6-8 x 2-4/x" ex Britz. in Sacc. (1915). Taste mild. 

 Edible. Pine woods, and on rotten wood. Nov. Dec. Rare. 



873. C. concava (Scop.) Fr. Fr. Icon. t. 57, fig. 2. 



Concava, hollowed out. 



P. 3-5 cm., fuliginous, then cinereous, or hoary-clay, hygrophanous, 

 slightly fleshy, very thin, flaccid, plano-convex, widely and deeply 

 umbilicate, then wholly concave, the convexo-plane border undulated, 

 smooth; margin even. St. 3-6 cm. x 3-8 mm., cinereous, tough, 

 equal, smooth, base attenuated. Gills dark fuliginous, then greyish, 

 decurrent, arcuate, very crowded, 2-4 mm. broad. Flesh pallid, tough, 

 very thin. Spores "greenish, ovoid, 8-12 x 6-8/u," Sacc. Coni- 

 ferous woods. Sept. Oct. Rare, (v.v.) 



