PLUTEUS. 285 



H in. thick, nearly equal, silicate upwardj?, fibrillose, at 

 length blackish. 

 On sawdust. 



Var. Bullii, Berk., MS.; Cke., Hdbk., p. 115 ; Cke., lllustr., 

 pi. 357. 



Pilous 4-6 in. across, flesh thick, convex then expandel, 

 smooth, even, pallid, the disc darker ; gills free, rounded 

 behind, rather distant from the stem, crowded, ?r in. broad, 

 pale salmon-colour; stem 3-4 in. long, 1 in. and more thick, 

 slightly swollen at the base, fibrillose, pale brown, darkest, 

 at the base, solid. 



On rotten wood. 



Var. petasatus, Fries, Hym. Eur., p. 18G; Cke., Hdbk^ 

 p. 115 ; Cke., Illu^tr., pi. 3U3. 



Pileus 3-4 in. across, flesh rather thick, campanulate then 

 expanded, umbonate, greyish white, very smooth, with a 

 viscid cuticle, at length striate to the middle ; gills free, 

 ^ in. and more broad, crowded, becoming dry, white then 

 reddish ; stem 4-5 in. long, 4^-| in. thick, rigid, very slightly 

 and equally attenuated from the base, whitish, fibrillosely 

 striate, solid. 



On heaps of straw and dung, sawdust, &c. 



Colour verging on bay when old ; stem and margin of 

 gills at length with a tawny tinge. (Fries.) 



Pluteus umbrosus. Pers. 



Pileus l-o-2|^ in. across, flesh thin, campanulate, becoming 

 almost plane, at first villose then with raised ridges that 

 combine and form lacunae, umber-brown, margin fimbriated; 

 gills free, 2 lines broad, flesh-colour, margin darker, fimbriate; 

 stem 2-3 in. long, 2-3 lines thick, about equal, pale, villoseh' 

 squamulose, solid, usually curved and ascending ; spores- 

 broadly elliptical, smooth, 6-7 x 5 /x. ; cystidia ventricose, 

 65-75 X 18-20 /x. 



Agarkus umbrosus, Pers., Ic. Descr., t. 2, f. 5 ; Cke., Hdbk., 

 p. 116; Cke., lllustr., pi. 304a. 



On trunk of fir and other trees. 



Allied to Pluteus cervinus, but distinguished by the downy 

 pileus with a fimbriate or ciliate margin, and the darkej 

 fimbriate maro-in of the jrills. 



