uc 



STUDIES OF AMERICAN FUNGI. 



In drying the surface of the pileus loses some of its dark umber color 

 and presents a silvery sheen. The flesh is fibrous and umber color 

 also. The gills are grayish white, then tinged with flesh color, slightly 

 sinuate, the longer ones somewhat broader in the middle (ventricose), 

 rather distant, and quite thick as seen in cross section, the center of 

 the gill (trama) presenting parallel threads. The subhymenium 

 is very thin and composed of small cells ; the basidia are clavate, 

 25-30 X 9~io/v, and four-spored. The spores are dull rose color on 



FicuJRE 13S. — Entoloma .stiictius. Cap umber or smoky, stem paler, gills grayish, 

 then flesh color (natural size). Copyright 1900. 



paper, subglobose, 5-8 // in diameter, angular with 5-6 angles as 

 seen from one side. The stem is the same color as the pileus, but 

 considerably lighter. It is hollow with white fibers within, fibrous 

 striate on the surface, twisted, brittle, and somewhat cartilaginous, 

 partly snapping, but holding by fibers in places, cylindrical, even, 

 ascending, with delicate white fibers covering the lower end. 



Figure 138 is from plants (No. 2461, C. U. herbarium) collected 

 near Ithaca, October, 1898. 



