TROPICAL POLYPORES 87 



13. FULVIFOMES TROYANUS Murrill, comb. nov. 



Pileus woody, horny-encrusted, ungulate, rarely compressed- 

 ungulate, usually plane below, sessile either by the vertex or 

 laterally, 5-8 X 8-n X 3-5 cm.; surface many times concen- 

 trically sulcate, slightly rimose in very old specimens, bay to 

 nearly black, glabrous even when young ; margin slightly obtuse, 

 entire or slightly undulate, ferruginous, sterile, slightly velvety; 

 context woody, hard, about I cm. or less thick, fulvous, pene- 

 trated by dendroid markings of a black, horny appearance; 

 tubes rather distinctly stratified, avellaneous-umbrinous, about 

 3 mm. long each season, mouths minute, about 8 to a mm., 

 circular, fulvous, almost castaneous when young, edges obtuse, 

 entire; spores globose, smooth, pale-yellowish, 3-4 M- 



Collected twice in Troy and Tyre, Jamaica, on a dead log. 



14. FULVIFOMES SWIETENIAE Murrill, sp. nov. 



Pileus woody, ungulate, 10 X 15 X 8 cm.; surface at first 

 velvety, scarcely encrusted, becoming slightly rimose, rough, and 

 uneven, fulvous to chestnut, margin very obtuse and rounded, 

 ferruginous or isabelline, at length fulvous; context corky to 

 woody, zonate, ferruginous, becoming darker with age; tubes 

 indistinctly stratified, 5-10 mm. long each season, fulvous 

 within, mouths circular to slightly angular, thin-walled, 5-6 

 to a mm., the edges fulvous when viewed from the side and 

 chestnut-colored when viewed perpendicularly; spores globose, 

 smooth, fulvous, about 4/z. in diameter; cystidia none. 



Type collected on a mahogany stump in a dense virgin forest 

 in Alto Cedro, Cuba, March 19-20, 1905, F. S. Earle &W. A. 

 Murrill 545 (herb. N. Y. Bot. Card.). Also collected at Gold 

 Rock, Acklin's Island, Bahamas, in the winter of 1905-6, L. J. 

 K. Brace 4389. Better specimens are desired. 



15. FULVIFOMES CINCHONENSIS Murrill, comb. nov. 



Pileus woody, triquetrous, very thick and broadly attached 

 behind, convex, 5-7 X 8-12 X 7-10 cm.; surface horny-en- 

 crusted, glabrous, smooth, obscurely zonate, slightly sulcate, 

 umbrinous to bay; margin very obtuse, ferruginous, slightly 

 undulate, sterile; context rather hard, fulvous, zonate in recent 

 layers, 0.5-2 cm. thick; tubes indistinctly stratified, avellaneous 

 when young, becoming avellaneous-umbrinous, rather long and 

 slender, sometimes 5 mm. or more long during a season, mouths 

 minute, stuffed when young, circular, 5 to a mm., avellaneous- 

 umbrinous, edges obtuse, entire; spores subglobose, smooth, 



