136 PUNGUS-FLOEA. 



laroad, distant, white; stem 1| in. long, not 1 line thick, 

 equal, fibrillose, pulverulent above, externally and internally 

 rufous, rooting; spores 10-11 x 7-8 jjl. 



Agaricus (Collyhia) Stevensoni, Berk, and Broome ; Cke., 

 Hdbk., p. 68 ; Cke., lUustr., pi. 146b. 



On the ground. 



Somewhat resembling G. esculenta, but differing in the 

 pileus not becoming plane, and in the broad, distant, adnate 

 gills. 



Collybia psathyroides. Cooke. 



Ivory-white. Pileus about f in. broad, and nearly I in. 

 high, flesh thin ; campanulate, obtuse, rather viscid, margin 

 regular, even ; gills broadly adnate and with a decurrent 

 tooth, triangular, ^ in. and more broad, rather distant, persist- 

 ently white ; stem 3-4 in. long, 1 line thick, equal, straight,, 

 hollow, rather tough ; spores elliptic-oblong, 15x7/*. 



Agaricus (Gollylia) psathyroides, Cke., Hbk., p. 68; Cke.,. 

 Illustr., pi. 266. 



On the ground. 



A very remarkable and distinct species with the habit of 

 a Psathyra. Known by being wholly white, and the very 

 broad and broadly adnate gills. 



Collybia xanthopoda. Tr. 



Pileus 1-2 in. across, flesh thin, campanulately convex 

 then expanded, lax, umbonate, glabrous, dry, tan-colour 

 becoming pale, margin at length spreading and slightly 

 striate ; gills adnexed at first, soon free, truncate behind, 

 crowded, very broad, lax, whitish ; stem 3—4 in. long, 2-3. 

 lines thick, tough, hollow, equal, even, glabrous, tawny- 

 yellow, base strigosely rooting. 



Agaricus (Collyhia) xanthopus, Fr., Epicr., p. 91 ; Cke., 

 Hdbk., p. 69 ; Cke., Illustr., pi. 203. 



In pine woods, &c. 



Allied to G. dryophila, but distinguished by the umbo„ 

 very broad gills and strigose rooting base of stem. C. suecinea 

 differs in not being umbonate. 



Collybia nitellina. Fr. 

 Pileus 1-1^ in. across, flesh thin, coloured; convex then 

 expanded, even, shining, tawny, often with a brick-red 



