Murrill: Agaricaceae of Tropical North America 281 



I. Volvariopsis bombycina (Schaeff.) 

 Volvaria bombycina (Schaeff.) Quel. Champ. Jura Vosg. 80. 

 1872. 



This very handsome species occurs on decayed trunks of hard- 

 wood trees from New England to Florida and west to California 

 in the United States. It is also well-known in Europe and was 

 collected by Wright in Cuba. The surface of the pileus is white 

 and silky-fibrillose ; the spores are broadly ellipsoid, 6-8 X 5—6 ^x. 



Valparaiso, Cuba, Wright 63; Herradura, Cuba, F. S. Earle 

 564; Guane, Pinar del Rio, Cuba, N. L. Britton, E. G. Britton & 

 J. F. Cowell 980. 



2. Volvariopsis Bakeri sp. nov. 



Pileus fleshy, ovoid to convex, densely gregarious, reaching a 

 breadth of 10 cm. ; surface dark-fuliginous, becoming much lighter 

 with age, appressed-fibrillose from the cracking of the cuticle, 

 not striate; context white, with mild taste and no appreciable 

 odor ; lamellae free, crowded, not very broad, white, becoming 

 pink ; spores broadly ellipsoid, rarely ovoid, smooth, roseous, 

 6-8 X 4-5 /a ; stipe tapering upward, white, glabrous, solid, 8-9 

 cm. long, 1-1.5 cm - thick; volva free, open, dark-fuliginous, 3-4 

 cm. long, 2-3 cm. broad. 



Type collected on a dead banana stump at Santiago de las 

 Vegas, Cuba, May 19, 1906, C. F. Baker (F. S. Earle 521). 



3. Volvariopsis jamaicensis sp. nov. 



Pileus thin, convex to nearly plane, gregarious, 5 cm. broad ; 

 surface ashy-white, avellaneous at the center, radiate-striate, 

 slightly granular, margin thin, entire; lamellae free, close, nar- 

 row, white to salmon-colored ; spores narrowly ellipsoid, smooth, 

 uninucleate, about 5 X 3/*; stipe curved, slightly tapering upward, 

 glabrous, whitish, hollow, with a tough rind, 5 cm. long, 3-5 mm. 

 thick; volva rather delicate, narrow, avellaneous, 1-2 cm. long. 



Type collected on the decaying roots of an upturned tree in a 

 virgin forest near Moore Town, Jamaica, 800 ft. elevation, De- 

 cember 16, 1908, IV. A. & Edna L. Murrill 150. 



4. Volvariopsis cubensis sp. nov. 



Pileus firm, fleshy, rather tough, irregularly expanded, obtuse, 

 solitary, 7 cm. broad, with strong, unpleasant odor ; surface dark 



