346 FUNGUS-FLOEA. 



HygropTiorus pratensis. Fries, Monogr., ii. p. 12 ; Cke., Hdbk., 

 p. 294; Cke., Illustr., pi. 917. 



Among grass in pastures, also in woods. 



Very variable. Specimens are sometimes entirely white, 

 others grey ; stem often white ; when the pilens is especially 

 thin, the margin becomes striate. (Fries.) 



Pilens variable, often monstrous, firm, 1-2 in. broad, com- 

 pact, margin thin, very dry, smooth, deep buff, convex, 

 more or less nmbonate, rarely becoming quite plane, but 

 frequently remaining obtusely conical. Lamellae very distant, 

 thick, arched, decurrent, reddish-buff. Stipes 1-2 in. high, 

 J-J in. thick, firm, generally somewhat crooked, attenuated 

 towards the base, same colour as the pileus, but rather paler, 

 solid spongy in the centre. (Grev.) 



Var pallidus, B. & Br., Ann. Nat. Hist., no. 1356 ; Cke., 

 Illustr., pi. 932a. 



Pileus depressed or infundibuliforum, margin waved, often 

 bent down; stem dilated, fibrillosely striate; gills distant, 

 decurrent ; branched, pallid ; wholly ochraceous-white. 



Among grass in pastures. 



Var. cinereus, Pries, Hym. Eur., p. 413 ; Cke., Illustr., 

 pi. 392b. 



Pileus grey; thinner than the typical form, margin at 

 length striate ; stem often whitish. 



In grassy places. 



Hygrophorus (Camar.) virgineus. Wulf. 



Entirely white. Pileus 1^-3 in. across, fleshy in the 

 centre, thin towards the margin ; convex, soon plane, obtuse 

 then usually depressed, moist, minutely cracked into areolae, 

 downy when dry ; gills decurrent, about 1^ line broad, rather 

 thick, distant; stem 1^-2 in. long, 3-5 lines thick at the 

 apex, which gradually expands into the pileus, narrowed 

 downwards, firm, smooth, solid ; spores elliptical, 8-10 X 5 /x. 



Bygroplwrus virgineus, Cke., Hdbk., p. 295 ; Cke., Illustr., 

 pi. 892. 



Agaricus virgineus, Wulf., in Jacqu. MiscelL, ii. t. 15. f. 1. 



Among grass. 



Distinguished from H. niveus by its larger size and fleshy 

 pileus. 



Commonly confounded with Sygr. niveus on account of the 



