30 Journal of Mycology [Vol- 14 



9. HYPHOLOMA CAMPESTRE, Gymnochilus camp- 

 ESTRis Earle, Hongos Cubanos, 1906. 



Pileus fleshy, fragile, campanulate then expanded, glabrous, 

 hygrophanous, at first grayish brown, then argillaceous, darker in 

 the center, becoming reticulate when dry and striatulate. Stipe 

 fiistulous, fragile, white, glabrous except at the summit where it 

 is striate and floccose-pulverulent. Lamellae narrow, close, ad- 

 nexed, at first grayish-brown, at length dark brown ; spores ellip- 

 tic, 8-10 x 5-6 mic. 



Gregarious; growing in grassy grounds; Cuba, Earle. Pileus 

 2-5 cm. in diameter ; stipe 4-6 cm. long, 2-4 mm. thick. Much re- 

 sembling H. incertum. 



10. HYPHOLOMA ARTRI FOLIUM Peck, Bull. Torr. 

 Club, 1896; Sylloge XIV, 152. 



Pilous submembranaceous, convex or hemispheric then ex- 

 panded, usually umbonate, radiately rugulose, hygrophanous, 

 when w^et wood-brown, when dry pale yellow or cream-color; 

 the veil fugacious. Stipe slender, fistulous, fibrillose, pallid or 

 cream-color. Lamellae rather distant, adnate, at first pale brown, 

 at length dark brown or nearly black ; spores dark brown, elliptic, 

 lo-ii X 5 mic. 



Subcaespitose ; growing among bushes ; California, Mc- 

 Clatchie. Pileus 3-5 cm. in diameter ; stipe 3-6 cm. long, 3-6 

 mm. thick. 



11. HYPHOLOMA HYDROPHILUM, Sylloge V, 1041.; 

 Cooke, Illustr. 605; Bolbitius hydropiiilus Fries, Hym. Eur. 

 1874; Agaricus hydrophilus Bulliard, Herb. Fr. 1791. 



Pileus submembranaceous. convex then expanded, subrepand, 

 rugulose, hygrophanous, dark brown, becoming tawny when dry, 

 the veil extremely fugacious, often none. Stipe fistulous, some- 

 what curved and often compressed, appressedly fibrillose, ferru- 

 ginous, becoming pallid. Lamellae close, adnexed, ventricose, 

 cinnamon brown ; spores ferruginous, 7-8 x 3-4 mic. 



Densely caespitose ; growing about the base of trunks ; Mich- 

 igan, Kauffmaii. Pileus 1-2 cm. in diameter; stipe 5-6 cm. long, 

 2-4 mm. thick. 



II. FASCICULARIAE. Pileus fJcshy, rather tough, not 

 hygrophanous; the surface smooth and glabrous, dry or slightly 

 viscid, bright-colored. Stipe long, thick, tough, stuffed or hollow, 

 usually fibrillose, bright-colored. 



