MARASMIUS. 1 1 1 



M. impudicus. Fr. 



Pileus, sligbtl}' fleshy, tough, convex plane, then depressed; 

 margin at length striate, plicate brownish, growing pale. 

 Gills, free, ventricose, flesh color, then whitish. 

 Stem, fistulose, purplish, velvety everywhere, base naked, 



rooting. 



Scarce in the Valley. Odor very offensive. 



M. campanulatus. 



Pileus, membranaceous or campanulate, dry, smooth, radi- 

 ate-sulcate, ochraceous-red, the disk a little darker. 



Gills, few, distant, broad, narrowed toward the stem, free 

 or slightly attached, whitish. 



Stem, tough, smooth, shining, blackish-brown, hollow. 



Height one to two inches, breadth of pileus three to six lines. 



Common in open woods and grass plots. Pink form growing in a 

 number of localities in the Lehigh Valley. 



M. rotula. Fr. 



Pileus, 6-8 mm. (3-4 lin.) broad, whitish, unicolorous, or 

 with the umbilicus becoming fuscous, arid, membranaceous, 

 slightly convex, umbilicate, plicate, undulato-crenulated at the 

 margin. 



Gills, adiiate behind to a collar encircling the stem but 

 removed from it, broad, few (often equal), very distant, white. 



Common in lawns. 



M. saccharinus. Fr. 



Pileus, wholly white, membranaceous, convex, somewhat 

 papillate, smooth, sulcate and plicate. 



Gills, broadly adnate, narrow, thick, very distant, reticu- 

 lato-united, whitish. 



Stem, very thin, filiform or attenuated upwards, flocculose, 



then becoming smooth, inserted obliquely, reddish, pale at the 

 apex. 



On dry twigs of oak throughout the Valley. 



