PSILOCYBE. 365 



Psilocybe ericaea. Pers. 



Pileus f-1^ in. across, conico-convex, then expanded and 

 becoming almost plane or sometimes more or less depressed, 

 rather viscid when moist, even, glabrous, tawny-ferruginous 

 or bay, pale yellowish and shining when dry ; gills adnate, 

 34 lines broad, plane, pallid then black ; stem 3-4 in. long, 

 2 lines thick or more, subequal, flexuous, rarely straight, 

 tough, pallid, partly hollow; spores elliptical, brown, 9-10 



X O fJL. 



Agaricus ericaeus, Pers., Syn., p. 413 ; Fries, Hym. Eur^ 

 p. 298 ; Cke., Hdbk., p. 208; Cke., Illustr., pi. 568. 



In wet, exposed pastures. Usually gregarious. 



Gregarious, tough, size variable. Stem hollow, tough, 

 3-4 in. long, 2 lines thick, equal, almost glabrous, sometimes 

 slightly silky, yellowish, base with white down. Pileus 

 fleshy, thin, convex then expanded, scarcely umbonate, 

 1-1^ in. and more broad, even, glabrous, commonly dry and 

 shining, but rather viscid when moist, tawny-ferruginous, 

 when dry tawny-yellow. Gills adnate, 3-4 lines broad, 

 plane, rather distant, pallid then blackish, pruinose, edge 

 whitish. There is a small form found in muddy places with 

 a bay pileus. (Fries.) 



Psilocybe subericaea. Fr. 



Pileus 1-2 in. or more across, rather fleshy, convex, obtuse, 

 becoming plane, even, smooth, tawny then pale; gills 

 sinuate, adnexed, 2-3 lines broad, pallid then blackish ; stem 

 1-2 in. long, about 1| line thick, equal, smooth, yellowish, 

 distinctly hollow; spores elliptical, 10 x 6 /x,. 



Agaricus (Psilocybe) subericaeus, Fries, Icon., n. 367, t. 136, 

 fig. 2 ; Cke., Hdbk., p. 208 ; Cke., Illustr., pi. 588. 



In fields. 



Psilocybe udus. Pers. (figs. 11, 12, p. 351.) 

 Pileus f-1 in. across, slightly fleshy, convex then plane, 

 dry, rugulose, tawny-bay then pale yellowish ; gills adfixed, 

 ventricose, lax, whitish then purplish ; stem 3-5 in. long, 

 1-1 line thick, tough, straight or a little wavy, fibrillose, 

 pale above, ferruginous below, hollow; spores elliptical 

 brownish-purple, 10 x 5 p.. 



Agaricus udus, Pers., Syn., p. 414; Fries, Hym. Eur., 

 p. 298; Cke., Hdbk., p. 208 ; Cke., Illustr., pi. 569. 



