8o TROPICAL POLYPORES 



synonymy of this species, see an article on Philippine Polypora- 

 ceae in the Bulletin of the Torrey Botanical Club for 1907. 



2. PYROPOLYPORUS HAEMATOXYLI Murrill 



Pileus dimidiate, thickest behind, 12 X 14 X 4 cm.; surface 

 glabrous, dark-brown, shallowly concentrically sulcate, marked 

 with numerous darker concentric lines; margin fulvous, thin, 

 rounded, slightly undulate; context corky to woody, indistinctly 

 concentrically banded, honey- yellow, I cm. thick; tubes dis- 

 tinctly stratified, longer behind, 0.5-1 cm. long each season, 6 to 

 a mm., dull-brown, mouths polygonal, concolorous, edges obtuse, 

 becoming thin; spores globose, rarely ovoid, thin-walled, smooth, 

 hyaline, 3.5-5 /x' cystidia none. 



Collected once at the base of a living logwood tree at Paradise, 

 Jamaica. 



3. PYROPOLYPORUS BACCHARIDIS (Pat.) Murrill 



Pileus corky-woody, turbinate-conic, vertically attached, 

 pendulous, 3-6 X 3-6 X 1-2 cm.; surface densely pectinate- 

 sulcate, soft and velvety, flavous to cinnamon, becoming gla- 

 brous, blackish, and thinly encrusted; margin obtuse, flavous, 

 tomentose, undulate; context corky, ferruginous-fulvous, 2-3 

 mm. thick; tubes evenly stratified, 2-3 mm. long each season, 

 fulvous-cinnamon within, mouths circular, invisible to the un- 

 aided eye, 10 to a mm., edges thin, entire, flavous-fuscous to 

 chestnut-brown, slightly glistening; spores ovoid, smooth, hya- 

 line, 6-7 X 4-5 M; cystidia none. 



Rare on trunks of Baccharis in Guadeloupe and Ecuador. 



4. PYROPOLYPORUS ROBINSONIAE Murrill 



Pileus dimidiate, applanate to compressed-ungulate, 5-7 X 

 7-10 X 1.5-3 cm.; surface velvety, slightly encrusted, many 

 times sulcate, very rough, tubercular, ferruginous to fulvous, 

 corroded and darker with age; margin obtuse, velvety, fer- 

 ruginous, sterile; context woody, fulvous, 3-5 mm. thick; tubes 

 unevenly stratified, 3-5 mm. long each season, umbrinous within, 

 mouths circular, minute, 4-5 to a mm., edges obtuse, entire, 

 chestnut-brown, glistening; spores globose, smooth, hyaline, 4 p; 

 cystidia none. 



Found once on the decaying roots of a tree on Monkey Hill, 

 Jamaica. 



