Agaricaceae 



Trichoioma. VI. SPONGlo'SA. Pileus compact then spongy, smooth, moist. 



* Gills not discolored, 



T. vires'cens Pk. vircsco, to grow green. Pileus convex or nearly 

 plane, sometimes centrally depressed, moist, bare, dingy-green, the mar- 

 gin sometimes wavy or lobed. Grills close, gradually narrowed toward 

 the outer extremity, rounded or slightly emarginate at the inner, white. 

 Stem subequal, stuffed or hollow, thick but brittle, whitish, sometimes 

 tinged with green. Spores broadly elliptical, SM/*- 



Pileus 3-5 in. broad. Stem 3-4 in. long, 6-12 lines thick. 



Thin woods. Essex county. July. 



The dull smoky-green hue of the pileus is the distinguishing feature 

 of this species. Peck, 44th Rep. N. Y. State Bot. 



Quite common in West Virginia, New Jersey and Pennsylvania. July 

 to October. Mcllvaine. 



Edible. Tastes somewhat like many Russulae, when cooked. Flavor 

 good. 



T. fumidel'lum Pk. smoky. Pileus convex, then expanded, sub- 

 umbonate, bare, moist, dingy-white or clay-color clouded with brown, 

 the disk or umbo generally smoky-brown. Gills crowded, subventri- 

 cose, whitish. Stem equal, bare, solid, whitish. Spores minute, sub- 

 globose, 4.5x4^. 



PileilS 1-2 in. broad. Stem 1.5-2.5 in. long, 2-3 lines thick. 



Woods. Albany county and Catskill mountains. September and 

 October. 



The stem splits easily and the pileus becomes paler in drying. It 

 sometimes becomes cracked in areas. Peck, 44th Rep. N. Y. State Bot. 



On ground. Mt. Gretna. October and November. 1897. Mcll- 

 vaine. 



The species was plentiful among the leaf mold, growing from the 

 ground in mixed woods. 



The caps are delicate in substance and flavor. 



T. leucocepll'alum Fr. Gr. white; head. Pileus iK-2 in. across, 

 convex then plane, even, moist, smooth, but when young covered with 

 a satiny down ; water-soaked after rain. Flesh thin, tough, white. Gills 

 rounded behind and almost free, white. Stem up to 2 in. long, H in. 



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