Murrill : Agaricaceae of Tropical North America 



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spores broadly ellipsoid or ovoid, smooth, very pale-purplish - 

 brown with a yellowish tint under the microscope, 5-6 X 3-5 — 4 A* J 

 stipe cylindric, equal, cartilaginous, concolorous above, darker 

 below, finely fibrillose-lacerate, 1.3 cm. long, 1 mm. thick. 



Type collected on a dead fallen stick at Cinchona, Jamaica, 

 1,500 m. elevation, December 25-January 8, 1908-9, IV. A. & 

 Edna L. Murrill 666 (herb. N. Y. Bot. Gard.). 



14. Atylospora cubensis sp. nov. 



Pileus thin, delicate, convex to expanded and slightly depressed, 

 I— 1.5 cm. broad; surface glabrous, hygrophanous, pale-chestnut, 

 paler when dry ; margin faintly striate, concolorous ; lamellae ad- 

 nexed, crowded, subventricose, pallid to purplish-brown, entire 

 and concolorous ori the edges ; spores ellipsoid, smooth, pale- 

 purplish-brown under the microscope, 7 X 4— 5 P > stipe cylindric, 

 white, shining, glabrous, hollow, 3 cm. long, 1-2 mm. thick. 



Type collected by Mrs. C. F. Baker along paths at Santiago de 

 las Vegas, Cuba, July 31, 1904, F. S. Earle 138 (herb. N. Y. Bot. 

 Gard.). 



15. Atylospora plumigera (Berk. & Curt.) 



Agaricus plumiger Berk. & Curt. Jour. Linn. Soc. 10: 292. 1868. 

 Psathyra plumigera (Berk. & Curt.) Sacc. Syll. Fung. 5:1069. 

 1887. 



Known only from Wright's collections on dead sticks in woods 

 in Cuba. The spores are distinctly ovoid, smooth, pale-purplish- 

 brown, about 8 X 5 



16. Atylospora mammillata sp. nov. 



Pileus conic to campanulate with a very prominent, conic umbo, 

 not expanding, solitary, 1 cm. broad and 5 mm. high ; surface 

 glabrous, hygrophanous, not striate, fulvous-badious, fulvous on 

 the umbo ; margin dentate, spreading, paler ; lamellae adnexed, 

 ascending, narrow behind and very broad and ventricose in front, 

 subcrowded, umbrinous, concolorous and entire on the edges ; 

 spores pyriform or strongly ovoid, tapering at o'ne end, some- 

 times almost turbinate, smooth, clear-purplish-melleous under the 

 microscope, 5-7 X 4~5 p stipe cylindric, equal, short, concolorous, 

 whitish-pulverulent at the apex, 1.5 cm. long, 2 mm. thick. 



