42 NORTH AMERICAN FLORA [VoLruME 9 
5. Bjerkandera terebrans (Berk. & Curt.) Murrill. 
Polyporus terebrans Berk. & Curt. Jour. Linn. Soc. 10: 306. 1868. 
Pileus subfleshy, thick, flabelliform, convex, 44-5 X1 cm., attached by a thick, 
laterally-compressed, concolorous, pubescent elongation resembling a stipe, but probably 
the result of an effort on the part of the sporophore to escape from the substratum ; surface 
isabelline or luteous, pubescent-scabrous, azonate, smooth; margin obtuse, entire: context 
white to isabelline, homogeneous, soft-corky, nearly 1 cm. thick; tubes whitish when 
young, fuliginous in dried specimens, less than 1 mm., mouths 4 to a mm., edges obtuse, 
entire: spores not examined. 
TYPE LOCALITY: Cuba. 
HABITAT: On dead trees. 
DISTRIBUTION : Known only from the type locality. 
6. Bjerkandera subsimulans Murrill. 
Polyporus simulans Berk, & Curt. in Sacc. Syll. Fung. 6: 117. 1888. Not Byerkandera simulans 
Karst. 1888. 
Pileus explanate, fleshy-tough, sessile, dimidiate or fan-shaped, often attached by a 
narrow base, 5-10 X 10-15 & 0.3-0.7 cm.; surface smooth, partially glabrous and partially 
clothed with scanty, flexible hairs; margin thin, acute, broadly sterile, lobed, with a zone 
of appressed hairs and blackish as though scorched for 5-10 mm.: context fibrous, hard 
and corky when dry, white to isabelline; tubes 2-5 mm. long, white to fuliginous, mouths 
angular, irregular, 1-3 toa mm., edges thin: spores not examined. 
TYPE LOCALITY: Cuba. 
HasitaT : Dead trunks. 
DISTRIBUTION : Known only from the type locality. 
30. TRAMETES Fries, Gen. Hymen. 11. 1836. 
Hymenophore annual, epixylous, sessile; surface anoderm, white, azonate: context 
white, homogeneous, coriaceous to soft-corky; hymenium concolorous, rigid; tubes thin- 
walled, mouths circular to irregular: spores smooth, hyaline. 
Type species, Polyporus suaveolens (1,.) Fries. 
Context punky, soft. 
Surface entirely white. 
Pileus small, less than 5 cm. broad. 1. T. nivosa. 
Pileus large, 10 cm. or more broad. 
Tubes small, 4 to a mm.; found on Robinia. 2. T. robiniophila. 
Tubes large, 2 to a mm.; found on Salix. 3. T. suaveolens. 
Surface partly brown or red, especially behind. 4. TZ. cubensis. 
Context corky, rather firm. 
Pileus effused-reflexed, surface more or less murinous. 5. T. submurina, 
Pileus normally expanded, surface white or yellowish. 
Pileus large, 10 cm. broad. 6. T. subnivosa. 
Pileus small, 5 cm. broad. 
Context about 5 mm. thick. 7. T. havannensts. 
Context 2-3 cm. thick. 8. 7. lignea. 
1. Trametes nivosa (Berk.) Murrill. 
Polyporus nivosus Berk. Jour. Bot. & Kew Misc. 8: 196. 1856. 
Pileus sessile, dimidiate, conchate or applanate, 2-3 3-5 X1 cm,; surface smooth, 
anoderm, azonate, glabrous, snow-white, pale-isabelline in dried specimens; margin thin, 
concolorous, entire: context homogeneous, soft, punky-corky, white, 5 mm. thick; tubes 
2-4 mm. long, slender, white to pallid within, mouths circular, 5 toa mm., edges thin, 
firm, entire, glistening, white to slightly discolored: spores smooth, hyaline. 
TYPE LOCALITY: Panuré, Brazil. 
HapiTaT: Dead wood. e 
DISTRIBUTION : West Indies to Brazil. 
2. Trametes robiniophila Murrill, sp. nov. 
Pileus more or less imbricate, dimidiate, sessile, convex above, plane or concave 
below, sometimes undulate, 6-8 X 10-15 X 2-4 cm.; surface milk-white, azonate, anoderm, 
finely pubescent, becoming glabrous, uneven, slightly yellowish aud discolored with age; 
