110 NORTH AMERICAN FLORA [VoruME 9 
27. Pyropolyporus calcitratus (Berk. & Curt.) Murrill. 
Polyporus calcitratus Berk. & Curt. Jour. Linn. Soc. 10: 314, 1868. 
Pileus woody, dimidiate, applanate to compressed-ungulate, 4-10 & 6-12 K 1-3 cm.; 
surface tomentose, zonate, sulcate, umbrinous, becoming glabrous, darker and horny- 
encrusted with age; margin acute to subobtuse, sterile, ferruginous to fulvous: context 
woody, melleous to subferrnginous with silky luster, 3-10 mm. thick; tubes distinctly 
stratified, often separated by thin layers of context, 4-6 mm. long each season, avellaneous 
within, mouths subcircular, minute, 7 to a mm., edges rather thin, melleous when young, 
becoming avellaneous: spores globose, smooth, brown, 7#; hyphae 8“; spines conical, 
ventricose, brown, scanty, 15-20 X 5-6#. 
TYPE LOCALITY : Cuba. 
HaBitTaT: On dead wood. 
DISTRIBUTION: Cuba and Porto Rico. 
28. Pyropolyporus sarcitus (Fries) Murrill. 
Polyporus sarcitus Fries, Nov. Symb. 66. 1851. 
Pileus woody, hard, thin, applanate, imbricate, narrowly attached, 8X14 X0.7 cm.; 
surface slightly sulcate, umbrinous to fuliginous, fibrose-lacerate, subsquamose, becoming 
almost smooth, with black horny crust; margin subacute, umbrinous, hispid, undulate to 
lobed : context hard, ferruginous, 1-2 mm. thick, becoming fulvous and streaked with white 
in age; tubes indistinctly stratified, 1-2 mm. long each season, ferruginous within, walls 
circular, 5-6 to a mm., edges obtuse, entire, melleous to pale-fulvous: spores globose, 
smooth, very light-brown, 54; hyphae 64; cystidia none. 
TYPE LOCALITY: Island of St. John, West Indies. 
HasziraT: Dead wood. 
DISTRIBUTION: Known only from the type locality. 
29. Pyropolyporus extensus (Lév.) Murrill. 
Polyporus extensus Lév. Ann. Sci, Nat. III.5: 129. 1846. 
? Ganoderma mexicanum Pat. Bull. Soc. Myc. Fr. 14: 54. 1898. (Type from Mexico.) 
Pileus corky to woody, dimidiate to flabelliform, applanate, 10-20 x 15-30 X 1-3 cm.; 
surface velvety, thinly encrusted, rugose, zonate, sulcate, fulvous to castaneous, becoming 
dark and rimose with age; margin thin, acute to subobtuse, sterile, velvety, isabelline to 
fulvous, undulate to lobed: context corky to woody, yellow, slightly zonate, becoming 
darker, with dendroid markings, in age, 0.5-1 cm. thick; tubes evenly and distinctly 
stratified, 2-4 mm. long each season, fulvous, mouths circular, minute, 5 to a mm., edges 
obtuse, entire, ochraceous to fulvous: spores globose, smooth, fulvous, 4-5; hyphae 
fulvous, 44. 
TYPE LOCALITY: Guadeloupe. 
HapitaT: Decayed trunks. 
DISTRIBUTION : Southern Florida ; Mexico ; Nicaragua ; Cuba ; Jamaica; Guadeloupe. 
30. Pyropolyporus sublinteus Murrill, sp. nov. 
Pileus corky to soft-woody, dimidiate, applanate, 6-8 7-10 & 1-2 cm.; surface finely 
tomentose to glabrous, very thinly encrusted, smooth, almost free from markings of any 
kind, light-bay to almost black; margin thin, rarely lobed, tomentose, ferruginous: con- 
text corky, slightly zonate, melleous, 3-10 mm. thick; tubes distinctly stratified, separated 
by layers of context, 2-6 mm. long each season, umbrinous within, mouths subcircular, 
7 toamm., edges thin, entire, becoming umbrinous: spores globose, smooth, brown, 52; 
hyphae 8; cystidia none. 
Type collected at Topolobampo, Mexico, on decayed wood of i 
Sie ey y' mesquite, March, 1889, Lalu 
DISTRIBUTION : Known only from the type locality. 
