Agaricaceae 



2. Pileus hygrophanous. 



ciitopUus. C. subvi'lis Pk. small value. Pileus thin, centrally depressed or 

 umbilicate, with the margin decurved, hygrophanous, dark-brown and 

 striatulate on the margin when moist, grayish-brown and silky shining 

 when dry, taste farinaceous. Gills subdistant, adnate or slightly decur- 

 rent, whitish when young, then flesh-colored. Stem slender, brittle, 

 rather long, stuffed or hollow, glabrous, colored like the pileus or a little 

 paler. Spores angular, 7.5- IO/A. 



PileilS 8-15 lines broad. Stem 1.5-3 n - l n g> l ~ 2 lmes thick. 



Damp soil in thin woods. Albany county. October. 



The species is allied to C. vilis, from which it is separated by its 

 silky-shining pileus, subdistant gills and farinaceous taste. Peck, 426. 

 Rep. N. Y. State Bot. 



Scattered. Mt. Gretna, Pa. September to November. Mcllvaine. 



Edible, pleasant. 



C. Wood'iamiS Pk. Pileus thin, convex or nearly plane, umbilicate 

 or centrally depressed, hygrophanous, striatulate on the margin when 

 moist, whitish or yellowish-white and shining when dry, the margin 

 often wavy or flexuous. Gills close, adnate or slightly decurrent, 

 whitish, then flesh-colored. Stem equal, flexuous, shining, solid, col- 

 ored like the pileus. Spores subglobose, angular, 6-7. 5/x. 



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



Ground and decayed prostrate trunks in woods. Lewis county. Sep- 

 tember. 



This species is perhaps too closely allied to the preceding, but it may 

 easily be separated by its paler color, closer gills and solid stem, though 

 this is sometimes hollow from the erosion of insects. Peck, 42 d Rep. 

 N. Y. State Bot. 



C. Un'derwoodii Pk. in honor of L. M. Underwood. Pileus rather 

 thin but fleshy, nearly plane or slightly depressed in the center, even, 

 whitish. Gills narrow, close, slightly decurrent, pale flesh-colored. 

 Stem rather short, equal or slightly tapering upward, solid, whitish. 

 Spores subglobose, 4-5/x long. 



Pileus 6-1 8 lines broad. Stem about I in. long and 2 lines thick. 



260 



