84 NORTH AMERICAN FLORA [VoruME 9 
bruised: context soft, punky, homogeneous, isabelline to pale-umbrinous, 2 mm. thick in 
front, about 1 cm. thick behind; tubes long and large, isabelline when young, 1.5-2 cm. 
in length, mouths alveolar, about 2 mm. broad, becoming irregular and lacerate with age, 
edges thin, uneven, at length deeply toothed: spores not examined. 
TYPE LOCALITY: Island of St. John, West Indies. 
HABITAT: Dead wood. 
DISTRIBUTION: St. John ; also in Brazil. 
56. FLAVIPORUS Murrill, Bull. Torrey Club 32: 360. 1905. 
Hymenium: annual, often reviving, epixylous, sessile, dimidiate, imbricate; surface 
encrusted, glabrous: context thick, woody, brown; hymenium yellow to orange; tubes 
thin-walled, minute, regular: spores smooth, hyaline. 
Type species, Polyporus rufoflavus Berk. & Curt. 
Hymenium pale lemon-yellow. 1. F. rufo] avus. 
Hymenium deep orange-colored. 2. F. crocttinctus. 
1. Flaviporus rufoflavus (Berk. & Curt.) Murrill, Bull. Torrey 
Club 32: 360. 1905. 
Polyporus rufoflavus Berk, & Curt. Jour. Linn. Soc. 10: 310. 1868. 
Pileus dimidiate, 1 x 2-3 X 0.1-0.4 cm.; surface rufous, thinly encrusted, finely pubes- 
cent to glabrous, polished, zonate; margin thin, undulate: context thin, pallid, less than 
1 mm. thick; tubes slender, i-2 mm. long, yellowish, mouths very minute, angular, cit- 
rinous, 7-10 to a mm., edges thin, entire: spores smooth, hyaline. 
TYPE LOCALITY: Cuba. 
HapitaT: Decaying wood. 
DISTRIBUTION: Tropical America. 
2. Flaviporus crocitinctus (Berk. & Curt.) Murrill, Bull. Torrey 
Club 32: 360. 1905. 
Polyporus crocitincius Berk. & Curt. Jour. Linn. Soc. 10: 311. 1868. 
Pileus hard, rigid, dimidiate, laterally connate, subimbricate, 3 <5 X 0.3-0.5 cm.; 
surface brown to black, thinly engrusted, sulcate, zonate, rugose, finely tomentose to 
glabrous, subshining; margin thin, finely tomentose, yellowish, lobed in type specimens: 
context thin, fibrous, flavous to luteous, scarcely 1 mm. thick; tubes slender, 2-4 mm. 
long, yellow to ferruginous, mouths circular to angular, stuffed when young, 4-5 to a mm., 
edges thin, entire, flavous to luteous: spores smooth, hyaline. 
TYPE LOCALITY: Cuba. 
Hasitat: Decaying wood. 
DISTRIBUTION : Known only from the type locality. 
57. POGONOMYCES Murrill, Bull. Torrey Club 31: 609. 1904. 
Hymenophore annual, epixylous, dimidiate-sessile to flabelliform, thickly covered 
with rigid hairs: context dark-brown, punky to corky; tubes short, thick-walled, light- 
brown, mouths small, circular : spores smooth, hyaline. 
Type species, Boletus hydnoides Sw. 
1. Pogonomyces hydnoides (Sw.) Murrill, Bull. Torrey 
Club 31: 609. 1904. 
é 
Boletus hydnoides Sw. Prodr. 149, 1788. —F1. Ind. Occid. 3: 1924. 1806. 
oe A dial Bosc, Ges. Nat. Freunde Berlin Mag. 5: 84. pl. 4.7 3. 1811. (Type from 
arolina.) 
Polyporus pellitus G. Meyer, Fl. Esseq. 304. 1818. (Type from Guiana.) 
Boletus crinitus Spreng, Sv. Vet.-Acad. Handl. 1820: 51. 1820. (Type from Porto Rico.) 
Boletus fibrosus Hook. in Kunth, Syn. Pl. 1: (10). 1822. (Type from the Andes.) 
Trametes ocellata Berk. & Curt. Jour. Linn. Soc. 10: 319. 1868. (Type from Cuba.) 
Polyporus Feathermanni Rav. Grevillea 6: 130. 1877. (Type from Florida.) 
Pileus dimidiate, sessile, often imbricate, conchate, 3-5 X 5-10 0.5-1 cm.; surface 
zonate, tawny-bay to-nearly black, conspicuously and thickly covered with rigid, branched 
