254 FUNGUS-FLORA. 



Sporules rose-coloured, elliptic with a globular nucleus. 

 Stem 1^ in. high, 1 line thick, stuffed, at length hollow, 

 indigo without, dark within, nearly smooth above, downy at 

 the base. (Berk.) 



Leptonia lazulina. Fr. 



Pileus f in. across, submembranaceous, campanulate then 

 expanded, obtuse, striate, at first glabrous, then becoming 

 more expanded, obsoletely umbilicate, and torn into squa- 

 mules, blackish smoke-colour, at first often blackish-blue or 

 greyish-bay, the disc darker ; gills adnate, seceding, crowded, 

 pale blue, edge similarly coloured, equally attenuated from 

 the margin to the stem ; stem about 2 in. long, 1^ line thick, 

 cartilaginous, hollow, glabrous, even, deep blue, base with 

 white down ; spores 1 x 6 /x. 



Agaricus (Leptonia) lazulinus, Eries, Epicr., p. 153; Cke., 

 Hdbk., p. 131 ; Cke., Illustr., pi. 549. 



Among grass, &c. 



Gregarious, fragile, about the size of L. asprella. 



Allied to Nolanea. There are two forms; one with the 

 pileus blackish-blue at first ; the other bay-brown, the disc 

 darker. (Fries.) 



*** Gills ;pallid, 



Leptonia incana. Fr. 



Pileus about 1 in. across, somewhat membranaceous, fragile, 

 convex then expanded, umbilicate, striate, glabrous, brown 

 and green variegated, silky and becoming greyish when dry; 

 gills adnate, with a decurrent tooth, at length seceding, 2-3 

 lines broad in the middle, plane, distant, greenish white 

 then flesh-colour; stem 1-2 in. long, about 1 line thick, 

 distinctly cartilaginous, even, glabrous, greenish or brownish- 

 green ; spores irregular, 8 x 9 /x. 



Agaricus (Lei^tonia) incanus, Fries, Epicr., p. 154; Cke., 

 Hdbk., p. 131 ; Cke., Illustr., pi. 336. 



Among grass, moss, &c. 



Elegant, gregarious. Pileus almost plane, the disc rarely 

 fibrillose, fuscous variegated with green. According to 

 Secretan, the stem is sometimes bluish. 



