256 FUNGTJS-FLOEA. 



**** Grills grey or dusky. 



Leptonia asprella. Fr. 



Pileus 1-1|^ in. across, somewliat membranaceous, convex 

 'then expanded, umbilicate, and there obscurely downy then 

 isquamulose, sometimes glabrous (except the disc), sometimes 

 fibrillose, hygrophanous, at first smoke-colour or mouse- 

 colour, then livid-grey ; gills adnate, seceding and becoming- 

 free, rather distant, plane, equally attenuate from the stem 

 towards the margin, greyish white, edge quite entire, the 

 same colour ; stem 1-2 in. long, not more than 1 line thick, 

 equal, sti-aight, even, glabrous, cartillaginous, hollow, livid, 

 fuscous, green and blue mingled, &c., base with white do^vn. 



Agaricus (Leptonia) asprellus, Fries, Epicr., p. 154; Cke., 

 Hdbk., p. 132. 



Among grass. 



Some specimens have the pileus squamulose everywhere ; 

 ■ssme forms resemble a Nolanea, pileus hemispherical then 

 ■campanulate, disc sometimes with a minute depression, some- 

 times with a papilla. (Fries.) 



Leptonia nefrens. Fr. 



Pileus 1-2 in. across, membranaceous, convex, then plane, 

 at length infundibuliform, hygrophanous, not striate, slightly 

 squamulose, often rather wavj'', livid-sooty, darkest at the 

 oentre, pale livid when dry ; gills adnexed, soon separating 

 from the stem, broad, close, pale grey, margin quite entire, 

 blackish ; stem 1-1^ in. long, l-ll- line thick, glabrous, livid- 

 brown, hollow ; spores elliptical, smooth, 4-5 x 3 /*. 



Agaricus (Leptonia) nefrens, Fries, Syst. Myc, i. p. 209 ; 

 Fries, Hym. Eur., p. 205 ; Cke., Hdbk., 132. 



In damp places among grass, &c. 



Allied to L. serrulata, but distinguished by the quite 

 «ntire margin of the gills, and the absence of black points at 

 the apex of the stem. 



NOLANEA. Fries, (figs. 6-8, p. 236.) 



Pileus regular, almost membranaceous, campanulate, more 

 or less papillate, striate, or even and floooulose, margin at 



