60 AGAEICINl. 



On decayed oak and on turf. 



Pileus 1-2 in. ; allied to .1. dryophilv^, but tougher ; the gills are sulphur 

 coloured and transversely striate. 



157. Agaricus (CoUybia) tenacellus. P. " Delicate Collybia." 



Pileus rather fleshy, nearly plane, sub-umbonate, smooth, 

 even; stem scantily fistulosejtouq-h, naked, tawny; root strigose; 

 gills emarginate, adnexed, broad, loose, sub-distant, snowy 

 white. — Fr. Epicr. p. 92. Sow. t. 206. Pers. Ic. pict. t.f.3-4:. 

 Eng. Fl. \. p. 50. A. gn'seus, Schceff. t. 23C. 



On fir cones. [S. Carolina.] 



Pileus 1 in. across, tinged with brown, when young conic, then convex and 

 sub-hemispherical, at length expanded and nearly plane, sometimes slightly 

 umbilicate, not striate, sub-carnose, smooth, dry, cinereous, inclining to 

 yellowish, often altogether abortive ; gills free, or often adnexed, ventricose, 

 rather distant, shorter ones truncate behind, in general pure white, some- 

 times with a tinge of grey, under a powerful lens covered with variously 

 hooked or conic papillae ; stem 2-4 in. long, scarcely 1 line thick, flexuous, 

 filif jrm, attenuated very much towards the ba.se, and somewhat strigose, 

 hollow, pale above, below tawny, very minutely pubescent under a good lens, 

 when young beautifully downy, and then not distinctly hollow, but with only 

 a pale line down the centre. Taste pleasant.- J/. /. ^. Spores "0002 X 

 •00013 in. 



158. Agaricus (Collybia) esculentus. Jacc2. "Nail Mush- 



room."' 



Pileus somewhat fleshy, nearly plane, obtuse, smooth ; stem 

 fistulose, equal, tough, straight, rooting, very smooth, clay 

 coloured ; gills adnate, lax, whitish. — Fr. Epicr. p. 92. Jacq. 

 CoU.u.t.U,f.4.. Treat. Esb.t.F. Le7iz.f. IS. Bull. t. 4.22,/. 2. 

 Vaill.t.nj. le-lH. Cooke B.F.t.e,f.i. Eng. Fl. v. p. 60. 



In pastures. Spring. Esculent. [United States.] 



Pileus about 1 in. across, sometimes striate, and occasionally fuscous : gills 

 broad, rather close; stem 2 in. high, 1 line thick, obsoletely fistulose ; root 

 generally smooth, sometimes Gin. long, and downy when growing amongst 

 leaves, either perpendicular or flexuous. Taste bitter, unpleasant. — £nff. Fl. 



159. Agaricus (Collybia) clavus. Bull. " Bolton's Collybia." 



Pileus rather fleshy, almost plane, obtuse, even; stem stuffed, 

 thin, smooth, straight, white; gills free, crowded, white, separat- 

 ing slightly at the base. — Fr. Epicr. p. 94. Bull. 1. 148,^4. (7., ^.569 

 F. Bolt. t. 39, B. Vaill.t. 11,/. 12-20. 



On twigs, leaves, &c. 



