CORTIXARIUS. 23 



scarcely paler when dry, but shininf^, umbo becoming 

 blackish, paler towards the margin ; gills adnate but some- 

 times emarginate, crowded, thin, 2-3 lines broad, edge 

 whitish, colour at first either purple-violet or ferruginous, 

 ferruginous when adult in either case ; stem about 1 in. 

 long, 2-3 lines broad, tough, cartilaginous outside, slightly 

 fibrillose from the veil, otherwise glabrous, even, almost 

 equal, violet or pallid-red, not changing when dry, imper- 

 fectly hollow; veil entirely fibrillose, scanty, white, from 

 which the pileus has a white, silky zone round the margin ; 

 spores obscure ferruginous. 



Agaricus (Hygrocj/be) castaneiis^ Fries, Mon., ii. p. 99; Cke., 

 Illustr., pi. 842; Cke., Hdbk., p. 276. 



Agaricus castaneus. Bull., Champ., t. 268. 



Grassy places in woods, pastures, &c. Gregarious or 

 caespitose, always small. 



A larger, solitary form occurs, having the pileus up to 

 2 in. across, um,bilicate, gills less crowded. (Fries.) 



Gregarious. Pileus 1 in. or more broad, subcarnose, at 

 first obtuse with a delicate fibrillose veil which makes the 

 margin appear silvery, dark-bay or dirty- violet, sometimes 

 with a tawny tint, soon expanded, broadly umbonate, umbo 

 more or less obtuse. Gills of the colour of the pileus, or 

 purplish-umber, at length subferruginous, ventricose, adnate. 

 Stem IJ in. high, 2 lines thick, beautifully fibrillose and 

 white from the veil beneath, much paler than the pileus, but 

 with more or less of the same tint, sometimes tinged with 

 violet. Odour none ; taste like that of A. oreades. Eatable. 

 AVhen growing on wood it is conical and more tawny. 

 (Berk.) 



Cortinarius (Hygr.) bicolor. Cooke. 

 Pileus 1-2 in. across, rather fleshy, campanulate Ihen 

 expanded, broadly, or occasionally rather acutely umbonate, 

 somewhat fragile, dingy whitish, with an occasional tinge 

 of lilac, even, smooth, silky, shining, flesh thin, colour of 

 the pileus, or paler; gills adnate, with a tooth, 3-4 lines 

 broad, rather ventricose, slightly erected at the edge, rather 

 broad, scarcely crowded, purplish-violet, then cinnamon ; 

 stem about 2 in. long, J in. thick, equal or attenuated down- 

 wards, often curved, pallid violet, becoming whitish, solid ; 



