32 Journal of Mycology [Vol. 14 



15. HYPHOLOMA EPIXANTHUM Fries, Epicrisis, 

 1836; IcoNES, 133. 



Pileus fleshy, convex then explanate, somewhat gibbous ; the 

 flesh thin, yellowish ; the surface smooth, slightly silky, at length 

 glabrous, yellow or pallescent, commonly darker in the center ; 

 the veil white. Stipe nearly equal, hollow, floccose-fibrillose, 

 whitish at the apex and pruinose, below dilute ferruginous or 

 brownish. Lamellae broad, close, adnate, pale yellow, at length 

 cinerascent; spores elliptic, 6-7x4 mic. 



Subcaespitose ; growing on old trunks, especially of Pine ; 

 Atlantic states to Pacific. Pileus 4-8 cm. in diameter ; stipe 6-8 

 cm. long, 6-8 mm. thick. The lamellae never becoming purple 

 or green. 



16. HYPHOLOMA MARGINATUM, Agaricus margi- 

 NATus Persoon, Obs. Myc. I, 1796; Agaricus dispersus Fries, 



EpICRISIS, 1836; ICONES, I33. 



Pileus fleshy, campanulate then convex and expanded, not 

 hygrophanous. the flesh thin, pallid ; the surface honey-color to 

 fulvous, smooth, but around the margin white-silky or scaly from 

 the veil. Stipe slender, tough, stufifed then hollow, equal, straight, 

 silky-fibrillose, brown-ferruginous, pallid above. Lamellae broad, 

 close, adnate, pale straw-color, afterward nebulous ; spores ovoid- 

 oblong, 12-14x6 mic. 



Commonly solitary ; growing in Pine woods on trunks and 

 on the ground ; N. Carolina, Curtis; Pacific Coast Cat. Pileus 

 3-5 cm. in diameter ; stipe 5-7 cm. long, 2-4 mm. thick. 



b. The surface of the pileus slightly viscid. 



17. HYPHOLOMA RUGOCEPHALUM Atkinson, 



MUSHPOOMS, 1900. 



Pileus fleshy, convex then expanded, broadly umbonate ; the 

 surface glabrous, radiately rugulose, slightly viscid, fulvous ; the 

 flesh thin, yellowish ; veil marginal, lacerate. Stipe arising from a 

 bulbous base, fistulous, smooth and glabrous, concolorous with the 

 pileus ; a slight annulus composed of a few threads of the veil 

 remains upon the stipe. Lamellae rather broad, adnate, slightly 

 sinuate, spotted with the black spores, lighter on the edge ; spores 

 purplish-black, minutely tuberculate, pointed at each end, 8-11 x 

 6-8 mic. 



Subcaespitose ; growing in damp places in woods ; New York 

 Atkinson. Pileus 6-10 cm. in diameter; stipe 8-12 cm. long, 6-10 

 mm. thick. 



(To be continued.) 



