146 ' Journal of Mycology [Vol. 13 



cose, fibrillose, concolorous with the pileus. Lamellae broad, 

 subdistant, adnate or subdecurrent, purplish brown, the edge 

 whitish ; spores compressed, orbicular, 6-8 x 6 mic. 



Growing on damp ground in woods. New York, Peck. 

 Pileus 8-IO mm. in diameter; stipe 1.5-2.5 cm. long, i mm. thick. 



III. TROPICALES. Grozmng on old leaves, herbaceous 

 stems, etc. 



11. DECONICA BULBOSA Peck, 46 N. Y. Rep. 1892. 



Pileus submembranaceous, convex becoming nearly plane, 

 glabrous, striatulate around the margin, whitish tinged with 

 brown. Stipe firm, slender, fistulous, grayish-fibrillose, arising 

 from a bulbous base. Lamellae broad, distant, adnate, purplish- 

 brown ; spores purplish-brown, elliptic, 7-8 x 5 mic. 



Growing on dead stems or herbs. New York, Peck. Pileus 

 6-12 mm. in diameter; stipe 1.5-2.5 cm. long, scarcely i mm. 

 thick. 



12. DECONICA MODESTA, Hypholoma modestum 

 Peck, 32 N. Y. Rep. 1879. Sylloge, IX,' 139. 



Pileus thin, convex or subconic, at length expanded, rarely 

 subumbonate, glabrous, hygrophanous, when wet reddish brown 

 or pale chestnut, when dry dark ochraceous-brown, the margin 

 at first whitish, sometimes striate. Stipe equal, hollow, fibrillose, 

 brownish. Lamellae plane, bioad, adnate or somewhat emar- 

 ginate, commonly decurrent by a tooth, at first gray or nebulous, 

 afterward purplish-brown, the edge white; spores purple-brown, 

 broadly ovate, compressed, 6-8 mic. long. 



Growing on fallen branches in woods. New York, Peck. 

 Pileus 8-10 mm. in diameter; stipe 2-3 cm. long, about 2 mm. 

 thick. 



IV. PSATHYRA Fries, Syst. Myc. I, 182 1. 



Pileus submembranaceous, conic or campanulate, fragile, hy- 

 grophanous, the margin at first straight and pressed close against 

 the stipe. Stipe subcartilaginous, fistulous, fragile. Lamellae 

 adnexed or adnate, becoming purple or brown ; spores in mass 

 purplish-brown or purplish black, sometimes brown. 



Growing commonly in grassy grounds and in shaded places. 

 Corresponding to Mycena in the Leucosporae. 



