46 



Agaricus (Clitocybe) Truucicola, Peck. 



Pileus tliin, firm, expanded or centrally depressed, smooth, dry, wliite ; 

 lamellae narrow, thin, crowded, adnate-decurrent ; stem equal, stuffed, smooth, 

 often eccentric and curved, whitish. 



Plant 1' high, pileus 1' broad, stem 1" thick. 



Trunks of froudose trees, especially maples. Croghan. Sep- 

 tember, 



Agaricus (Clitocybe) subzonalis^ Peck. 



Pileus thin, centrally depressed or subinfundibuliform, marked with two 

 or three obscure zones, with a slight appressed silkiness, pale yellow ; lamellae 

 close, narrow, equally decurrent, some of them forked, pallid or yellowish ; 

 stem equal, slightly fibrillose, stuffed, pale yellow. 



Plant 2' high, pileus 3'-3' broad, stem 3"-4" thick. 



Ground in woods. Croghan. September. 



Agaricus (Clitocybe) Gerardiaiius, Peck. 



Pileus thin, funnel-form, hygrophanous, striatulate when moist, brown, 

 rough with scattered blackish points ; lamellae decurrent, close, a little paler 

 than the pileus, some of them forked ; stem rather long, flexuous, smooth, 

 stuffed, concolorous, white at the base. 



Plant 2-3' high, pileus 8"-12" broad, stem .5"-!" thick. 



Sphagnous marshes. Saudlake and New Paltz. June. 



Agaricus (Collybia) coloreusj Peck. 



Pileus convex, subumblicate, slightly fibrillose, hygrophanous, yellow, 

 sometimes tinged with red, the margin exceeding the lamellae ; lamellae mod- 

 erately close, emarginate, yellow ; stem equal, smooth, hollow, sometimes 

 eccentric, yellow. 



Plant l'-2' high, pileus 8"-12" broad, stem 1" thick. 



Decajdng wood. Croghan. September. 



Agaricus (Collybia) succosus, Peck. 



Pileus firm, convex or campanulate, minutely tomentose, cinereous or brown- 

 ish-gray, the margin generally exceeding the lamellae ; lamellae thin, close, 

 emarginate and slightly decurrent-toothed, tapering toward the outer ex- 

 tremity, whitish ; stem firm, equal or slightly tapering upward, minutely 

 tomentose, containing a whitish pith ; spores minute, subgloboae, .00015' in 

 diameter ; llesh subcartilaginous, abounding in a thin watery or serum-like 

 juice, changing to purplish or black when cut. 



Plant l'-3' high, pilous 6"-12" broad, stem 1' thick. 



