COLLYBIA. 121 



rather distant, white; stem 4—6 in. long, 2—3 Mnes thick 

 below, attenuated upwards, at length more or less grooved, 

 minutely velvety or downy, coloured like the pileus, ending 

 in a long, fusiform, rooting base. 



Agaricus hmgipes, BuUiard, Champ. France, t. 232; Cke., 

 Hdbk., p. 63 ; Cke., Ulustr., pi. 201. 



Agaricus pvdens. Berk., Ann. Nat. Hist., no. 64. 



On old stumps, &q. 



Stem quite as velvety as in G. velutipes, and the pileus, 

 especially its margin, more or less so, and by no means 

 glutinous. (Berk.) 



With the habit, size, colour, and general appearance of 

 C. radicata, but distinguished by the velvety stem and 

 pileus. 



CoUvbia Tolatyphylla. Fr. 



Pileus 3—4 in. across, flesh thin, fragile ; soon expanded, 

 obtuse, watery when moist, fibrillosely virgate or streaked, 

 brown then grey or whitish ; gills slightly adnexed, obliquely 

 truncate behind, h in. and more broad, distant, soft, white ; 

 stem 3—4 in. long, about -h in. thick, equal, fibrillosely striate, 

 otherwise glabrous, naked or the apex obsoletely mealy, 

 whitish, base abrupt and springing from broadly extending, 

 whitish, cord-like, branched and anastomosing mycelium; 

 spores elliptical, 9-10 X 6 /x. 



Agaricus (Collybid) platypMlla, Fr., Epicr., p. 82; Cke., 

 Hdbk., p. 63 ; Cke., lUustr., pi. 128. 



On rotten wood, or on the ground near trunks and stumps, 

 among leaves, &c. 



Distinguished by the abundant cord-like, rooting my- 

 celium, and the broad, distant gills. 



Collyba semitalis. Fr. 

 Pneus 1-4 in. across, flesh cartilaginous, thin, cracking, 

 white when dry ; convex then plane, obtuse, even, glabrous, 

 moist when growing, pitch-black, sooty, livid-smoky, &c., 

 hygrophanous ; greyish-yellow, dingy pale ochraceous, or 

 greyish when dry ; margin incurved at first, glabrous, then 

 spreading and slightly pellucidly striate ; giUs obtuse 

 behind, attenuated or rounded, adfixed in the form of a ring 

 and with a minute decurrent tooth, broad, distinct, white, 

 then greyish, becoming spotted with black where touched. 



