CLITOCTBE. 421 



Clitocybe fumosa. Pers. 



Pileus 1-3 in. across, fleshy, margin thin ; convex, often 

 gibbons when young, regular or wavy, even, pellicle not 

 separable, glabrous, tooty-brown, soon livid or grey when 

 dry ; gills adnate in regular forms but often decurrent when 

 the pileus is irregular, crowded, distinct, greyish-white from 

 the first ; stem 2—3 in. long, 3—6 lines thick, almost equal, 

 often twisted or curved, glabrous, dingy white, apex mealy, 

 solid, fibrous ; spores subglobuse, 5-6 /j. diara. 



Agarieus fumosus, Persoon, Syn., p. 843 ; Cke., Hdbk., p. 

 51 ; Cke., lUustr., pis. 175 and 645. 



In woods. 



Gregarious, somewhat oaespitose, tough, rather cartila- 

 ginous. Known from CI. elixa by the truly obtuse pileus, 

 which is never virgate, often regular. Smell none. (Fries.) 



Clitocybe tumulosa. Kakhbr. 



Oaespitose. Pileus 1-2 in. across, disc fleshy, margin 

 thin; conico-oonvex then expanded, obtusely umbonate or 

 obtuse, even, glabrous, brownish -umber, becoming pale; 

 margin drooping ; gills more or less decuiTent or slightlj' 

 emarginate, crowded, narrow, -svhite, then grej'ish ; stem 

 3-5 in. long, unequal, usually thicker below, minutely 

 downy, pallid, solid. 



Agarieus (Glytocyhe) tumulomis, Kalchbrenner, Hym. Hung, 

 Icon., pi. 5 ; Cke., Hdbk., p. 52 ; Cke., Illustr., pi. 105. 



On the ground in woods. 



Eeadily distinguished by the densely clustered habit, and 

 the umber pileus. The giUs are very variable, sometimes 

 distinctly decurrent, at others rounded behind, and almost 

 resembling a Tricholoma. 



Clitocybe pergamena. Cooke. 



Densely tufted. PUeus 1-2 in. across, flesh thick at the 

 disc, thin elsewhere ; pallid like vellum, rather cartilaginous, 

 convex then plane, obtusely umbonate, smooth, even ; gills 

 broadly adnate with a decurrent tooth, 2 lines broad, rather 

 crowded, white ; stem 4-5 in. long, 2-3 lines thick, equal, 

 ascending with a cartilaginous coating which often cracks 

 up in flaps, whitish, squamulose at the apex, solid. 



Agarieus (Clitocybe) pergamenus, Oke., Hdbk., p. 52; Oke., 

 Illustr., pi. 643. 



