COLLYBIA. 141 



plane, obtuse, centre usually depressed, reddish "bay or pale 

 tan, becoming pale but not hygrophanous, even, glabrous, 

 margin incurved at first, then expanded ; gills almost free, 

 with a minute decurrent tooth, but appearing as if adnexed, 

 when the pileus is depressed, crowded, narrow, distinct, 

 plane, white or pallid ; stem 1-2 in. long, 1-2 lines thick, 

 cartilaginous, distinctly hollow, even, glabrous, somewhat 

 rooting, base often swollen when growing in damp places 

 among leaves, coloured, usually yellowish or rufesaent; 

 spores elliptic-fusiform, 7-8 X 4 //,. 



Agaricus (Collybia') dryophilus, Cke., Hdbk., p. 70 ; Cke., 

 lllustr., pi. 204. 



Agaricus dryophilus, Bull., Champ., t. 434. 

 On the ground; among fallen leaves; on rotten wood, &c. 

 Distinguished from its nearest allies by the narrow, 

 crowded gills and obtuse pileus. 



Solitary or loosely gregarious, inodorous, very variable ; 

 pileus rufous-bay, yellowish, or tail-colour; in dry pine 

 woods a form occurs having a white pileus and gills and a 

 yellow stem. Gills sometimes sulphur-colour, and some- 

 times (a morbid state) cinnamon-tan. The following forms 

 occur : 



(J..) Stem elongated, flexuous, decumbent, base swollen ; 

 pileus broad, lobed, gills white : 



(I?.) funicularis, large tufted ; stem lax, decumbent, base 

 equal, downy; gills sulphur-colour: 



(C.) Numerous individuals growing together in a large 

 -tuft; stem thick, swollen, deformed, sulcate, brown, myce- 

 lium binding the soil into a mass; pileus much deformed, 

 angular, waved, blackish then bay. Damp soil in gardens. 

 (Fries.) 



Solitary or tufted, very variable in size and colour. 

 Pileus 1-3 in. broad, whitish, pinkish, yellowish or livid, 

 plane, sometimes depressed, fleshy, thin, tender, easily 

 injured, of a watery substance. Gills free, white or very 

 pale flesh-colour, soft, tender, entire or serrate, numerous. 

 {Stem 2-3 in. high, -- in. thick, shining, splitting, 

 sometimes twisted, of the same colour as the pileus, but 

 the summit is generally darker and pinkish. The whole 

 plant is fragile and easily detached from the stem. 

 (Grev.) 



