TRICHOLOMA 227 



white, or greyish, very thin. Spores white, subglobose, 5-6 x 5/u,, 

 minutely punctate, 1-guttulate. Smell of new meal. Taste pleasant. 

 Edible. Pastures, lawns, and heaths. Aug. Oct. Common, (v.v.) 



var. griseo-rimosum (Batsch) Cke. Cke. Illus. no. 92, t. 261, as var. 

 cinereo-rimosum Batsch. Griseus, grey; rimosum, full of cracks. 



Differs from the type in its larger size, and the concentrically rimose 

 p. Generally abundant with the type, (v.v.) 



658. T. amplum (Pers.) Rea. (=Clitocybeampla(Peis.)FT.,Tricholoma 



molybdinum (Bull.) Quel., Tricholoma centurio Kalchbr. sec. 

 Quel.) Fr. Icon. t. 53, as Clitocybe ampla Pers. Amplum, large. 



P. 10-20 cm., dark bistre, disc reddish, becoming greyish, fleshy, 

 campanulate, then expanded, gibbous, minutely streaked with fibrils. 

 St. 9-14 x 1-5-2 cm., white, equal, thickened at the base, firm, 

 fibrillosely striate, apex mealy. Gills greyish, or yellowish, sinuato- 

 adnate, 10-12 mm. broad, subdistant, margin often toothed. Flesh 

 white, compact. Spores white, pip-shaped, 9 x 6/>t, 1-guttulate. 

 Caespitose. Woods. Sept. Nov. Uncommon, (v.v.) 



(b) Gills becoming reddish, or cinereous, or spotted. 



659. T. saponaeeum Fr. Cke. Illus. no. 88. t. 91. Sapo, soap. 

 P. 5-10 cm., fuscous livid, fleshy, convex, then flattened, obtuse, 



smooth, becoming cracked, and broken up into scales in dry weather, 

 somewhat soapy when moist, margin thin, inflexed. St. 5-10 x 1-5- 

 2 cm., pallid, often becoming reddish, often unequal, curved, base 

 attenuated, often rooting. Gills white with a glaucous tinge, becoming 

 spotted with red, uncinato-emarginate, distant, thin. Flesh white, 

 often becoming reddish, firm. Spores white, elliptical, 5-6 x 3-4/ti, 

 1-guttulate. Smell soapy. Deciduous, and pine woods. Aug. Nov. 

 Very common, (v.v.) 



var. squamosum Cke. Cke. Illus. no. 89, t. 216, as var. "stipite 

 squamuloso." Squamosum, scaly. 



Differs from the type in the st. being covered with darkish scales. 

 Woods, (v.v.) 



var. sulphurinum Quel. Sulphurinum, sulphur coloured. 



Differs from the type in the canary yellow p. and the pale yellow st. 

 and gills. Woods. Uncommon, (v.v.) 



var. atrovirens (Pers.) Quel. Ater, black; virens, becoming green. 

 Differs from the type in the dark green p. covered with black squa- 

 mules. Woods. Sept. Oct. Uncommon, (v.v.) 



T. crassifolium Berk. = Collybia crassifolia (Berk.) Bres. 



152 



