88 TROPICAL POLYPORES 



pale-ferruginous, uniguttulate, 4 /*; cystidia ferruginous-fulvous, 

 pointed, ventricose, scanty, about 20 n long and 5-7 n thick at 

 the base. 



Collected once at Cinchona, Jamaica, on dead standing hard- 

 wood trunks in a dense virgin forest. 



16. FULVIFOMES CEDRELAE Murrill, comb. nov. 



Pileus compressed-ungulate, broadly attached, plane below, 

 7-12 X 8-25 X 3-7 cm.; surface tomentose, deeply sulcate, 

 fulvous, becoming very rough, rimose, and black with age; 

 margin obtuse, ferruginous to fulvous, tomentose, smooth; 

 context corky to woody, 5-10 mm. thick, fulvous; tubes evenly 

 stratified, 2-3 mm. long each season, fulvous within, mouths 

 circular, invisible to the unaided eye, 5-6 to a mm., edges obtuse, 

 entire, ferruginous to fulvous; spores globose, smooth, golden- 

 brown, 5-6 ju. 



Found once on a living trunk of Cedrela odorata in Jamacia. 



17. FULVIFOMES UNDERWOODII Murrill, comb. nov. 



Pileus broadly ungulate, attached by a narrow base, concave 

 below, 7 X 14 X II cm.; surface many times concentrically 

 furrowed, rimose, uniformly dark-brown to black; margin ful- 

 vous, acute or somewhat obtuse, velvety, undulate, marked with 

 narrow zones; context hard, fulvous to dark-brown, very thin, 

 less than 0.5 cm.; tubes distinctly stratified, 0.5-1.5 cm. long 

 each season, 3-4 to a mm., brown within, mouths darker, circular 

 or polygonal, edges acute, entire; spores ellipsoid, smooth, thin- 

 walled, light-yellowish-brown, 8-9 X 5.5-7 Ml cystidia none. 



Found twice on dead wood in Porto Rico. 



1 8. FULVIFOMES DEPENDENS Murrill, comb. nov. 



Pileus very hard, ungulate, attenuate and vertically affixed 

 behind, 5-10 X 10-15 X 5-10 cm.; surface black, very rough 

 and rimose, horny-encrusted, repeatedly slightly sulcate; margin 

 abruptly acute, rarely rounded, velvety, ferruginous, undulate; 

 context hard, woody, fulvous, very thin and inconspicuous; 

 tubes indistinctly stratified, 2-3 mm. long each season, ferrugi- 

 nous within, becoming dark-fulvous in the older layers, mouths 

 circular, minute, 5-6 to a mm., edges obtuse, entire, fulvous to 

 chestnut-brown, glistening; spores subglobose, smooth, sub- 

 fulvous, 4-7 n long; cystidia none. 



Common in the Bahamas, Cuba, and Porto Rico on living and 



