Agaricaceae 



ciitopiius. decurrent, whitish, becoming dingy or brownish-pink. Stems cespitose, 

 solid, silky-fibrillose, slightly mealy at the top, white. Spores 5x4^. 



Pileus 2-4 in. broad. Stem 1.5-3 m - l n g, 2-4 li nes thick. 



Thin woods and pastures. Ulster county. September. 



This is a large, fine species, very distinct by its cespitose habit, white 

 color and very pale sordid-tinted spores. But for the color of these the 

 plant might easily be taken for a species of Clitocybe. The tufts some- 

 times form long rows. Peck, 42d Rep. N. Y. State Bot. 



Mt. Gretna, Pa. October. Mcllvaine. 



Tender, not much flavor. 



C. Noveboraeen'sis Pk. New York Ciitopiius. Pileus thin, convex, 

 then expanded or slightly depressed, dingy white, cracked in areas or 

 concentrically rivulose, sometimes obscurely zonate, odor farinaceous, 

 taste bitter. Grills narrow, close, deeply decurrent, some of them forked, 

 white, becoming dingy, tinged with yellow or flesh-color. Stem equal, 

 solid, colored like the pileus, the mycelium white, often forming white 

 branching root-like fibers. Spores globose, 4-$p- broad. 



Var. brevis. Margin of the pileus, in the moist plant, pure white. 

 Gills adnate or slightly decurrent. Stem short. 



Pileus 1-2 in. broad. Stem 1-2 in. long, 1-3 lines thick. 



Woods and pastures. Adirondack mountains, Albany and Rensselaer 

 counties. August to October. 



The plant is gregarious or cespitose. Sometimes, especially in the 

 variety, it grows in lines or arcs of circles. The margin is often undu- 

 lated, and in the variety it is, when fresh and moist, clothed with a film 

 of interwoven webby white fibrils which give it a peculiar appearance, 

 and if the spore characters are neglected it might be mistaken for Clito- 

 cybe phyllophila. The disk is often tinged with reddish-yellow or rusty 

 hues when moist, and its rivulose character is then more distinct. A 

 farinaceous odor is generally present, especially in the broken or bruised 

 plant, but its taste is bitter and unpleasant. Sometimes bruises of the 

 fresh plant manifest a tendency to assume a smoky-brown or blackish 

 color. The base of the stem is sometimes clothed with a white myceli- 

 oid tomentum. Peck, 426 Rep. N. Y. State Bot. 



C. Sey'mourianus Pk. PileilS fleshy, thin, broadly convex or slightly 

 depressed, even, pminose, whitish with a dark lilac tinge, sometimes 



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