28 Journal of Mycology [Vol. 14 



sometimes purplish-tinted around the margin ; the flesh thin, 

 fragile ; the veil white, flocculent, fugacious. Stipe equal, 

 fistulous, easily splitting, whitish, pruinose at the summit. 

 Lamellae narrow, close, whitish then rosy-brown ; spores purplish- 

 brown, elliptic, 7-8 X 5 mic. 



Subcaespitose ; growing on the ground around old stumps 

 in dooryards, orchards, etc. New York westward to Kansas. 

 Pileus 3-6 cm. in diameter; stipe 6-10 cm. high, 2-4 mm. thick. 



3. HYPHOLOMA ROYSTONIAE, Gymnochilus roy- 

 STONiAE Earle, Hongos Cubanos, 1906. 



Pileus fleshy, convex then expanded, obtuse, glabrous, some- 

 what reticulate and striatulate, hygrophanous, pallid tinged with 

 purple, becoming whitish when dry; the flesh thin and fragile; 

 the veil of whitish filaments soon disappearing. Stipe short, 

 fistulous, glabrous, white, with a mycelioid base. Lamellae 

 moderately broad, close, adnexed, at first pallid, at length purple- 

 brown ; spores elliptic, 7-8 x 4-5 mic. 



Subcaespitose, growing on rotten trunks of Roystonia ; Cuba, 

 Earle. Pileus 1-3 cm. in diameter; stipe 2 cm. long, 2 mm. 

 thick. 



4. HYPHOLOMA MADEODISCUM Peck, 38 N. Y. 

 Rep. 1884. 



Pileus thin, convex becoming nearly plane, hygrophanous, 

 when moist reddish brown, pale ochraceous when dry, the disk 

 rugulose ; the veil whitish, at first concealing the lamellae, at 

 length depending in fragments from the margin of the pileus. 

 Stipe tapering upward from a slightly thickened base, fistulous, 

 white, somewhat silky. Lamellae close, slightly cmarginate, at 

 first whitish, becoming brown; spores brown, elliptic. 9-10 x 6 

 mic. 



Growing on decaying wood in wet places ; New York, 

 Peck. Pileus 3-5 cm. in diameter ; stipe 5-7 cm. long, 4-6 mm. 

 thick. "I have not seen the plant growing in tufts." 



5. HYPHOLOMA MUSAE, GY.MNocniLrs Mrs.sE 

 Earle, Hongos Cu bangs, 1906. 



Pileus convex then expanded, silky, striatulate, hygro- 

 phanous, pale ochraceous tinged with purple-brown, becoming 

 pallid or whitish when dry; the flesh thin, fragile, watery; the 

 veil delicate, whitish, appendicular and evanescent. Stipe slender, 

 fragile, hollow, white, glabrous, but with the apex slightly mealy 

 and with a mycelioid base. Lamellae narrow, crowded, adnexed, 

 at first whitish, becoming purple-brown ; spores elliptic, 6-8 x 4-5 

 mic. 



