PaRT 2, 1908] POLYPORACEAE 75 
Tubes large, 2 to a mm., cinereous. 7. C. vittata. 
Tubes small, 7-8 to a mm., purplish-umbrinous. 8. C. vibratilts. 
Pileus not effused, or, if so, broadly reflexed. 
Surface entirely pure-black, or slightly fuliginous in narrow zones; 
hymenium grayish-white. 9. C. nigrocinerea. 
Surface fulvous-umbrinous with bay-black zones, or uniformly dark- 
bay. 
Pileus flexible, tomentose to aculeate. . C. caperaia, 
Pileus rigid, tomentose to glabrous; tubes often stratified. 7 Cc. Subglabrescens. 
1. Coriolopsis crocata (Fries) Murrill. Bull. Torrey Club 32: 358. 1905. 
Polyporus crocatus Fries, Epicr. Myc. 477. 1838. 
Polyporus byrsinus Mont. Pl. Cell. Cuba 391. 1842.— Mont. Syll. Crypt. 167. 1856. (Type from 
Cuba.) 
Polystictus crocatus Fries, Nov. Symb. 91. 1851. 
Pileus coriaceous, membranous, flaccid, flexible, elastic, effused-reflexed, sometimes 
covering the entire under surface of logs, the reflexed portion dimidiate to reniform, 
applanate, conchate, 0-5 cm. long, 4 to many cm. broad, not exceeding 2 or 3 mm. in 
thickness; surface densely concentrically striate, somewhat zonate, villose-tomentose, 
grayish-isabelline or pale-fulvous; margin very thin, pallid, broadly sterile, entire to 
slightly undulate: context thin, membranous, isabelline, spongy, 1-2 mm. thick ; tubes 
very short and shallow, less than a mm. in length, mouths punctiform, regular, circular, 
4-5 toamm., edges thick, entire, white to isabelline or pale-fulvous: spores smooth, hyaline. 
TYPE LOCALITY : Mexico. 
HABITAT: Dead deciduous wood. 
DISTRIBUTION: Tropical America. 
ILLUSTRATIONS: Mont. Pl. Cell. Cuba pl. 15, f. 3. 
2. Coriolopsis occidentalis (Klotzsch) Murrill, Bull. Torrey 
Club 32: 358. 1905. 
Polyporus occidentalis Klotesch, Linnaea 8: 486. 1833. 
? Polyporus myrrhinus Kickx, Bull. Acad. Roy. Belg. 5: 370. 1838. 
Polyporus lanatus Fries, Bpicr. Myc. 490. 1838. (Type from the East Indies.) 
Polyporus lenis Lév. Ann, Sci. Nat. III. 9: 123. 1848. (Type from America.) 
Polystictus cyclodes homoporus Fries, Nov. Symb. 90. 1851. (Type from the island of St. John.) 
Polyporus scorteus Fries, Nov. Symb. 89. 1851. (Type from Pulo-Milu.) 
Pileus corky or leathery, dimidiate to reniform, applanate, 3-6 X 5-10 X 0.3-1 cm.; 
surface concentrically sulcate, zonate, tomentose, grayish-ochraceous to grayish-isabelline, 
somewhat fading with age; margin thin, velvety, entire : context ochroleucous, subshining, 
zonate, corky, 1-6 mw. thick; tubes rather short, 2-4 mm. long, isabelline within, mouths 
circular, slightly irregular at times, 2-4 to a mm., edges rather thick, becoming thin, 
entire, firm, milk-white when young and fresh, isabelline to ochraceous-fulvous at maturity : 
spores allantoid, smooth, hyaline, 5-7 X 2-3 #; hyphae 2-5 4. 
TYPE LOCALITY: St. Vincent, West Indies. 
HasitaT: Various kinds of dead wood. 
DISTRIBUTION : Tropical regions. 
3. Coriolopsis rigida (Berk. & Mont.) Murrill. 
Trametes rigida Berk. & Mont. Ann. Sci. Nat. III. 11: 240, 1849. Not Polyporus rigidus Lév. 1844. 
Polystictus extensus Cooke; Sacc. Syll. Fung. 6: 244, 1888. 
Polystictus rigens Sacc. & Cub. in Sace. Syll. Fung. 6: 274. 1888. 
Pileus thin, coriaceous, flexible to rigid, effused-reflexed, imbricate, laterally connate, 
the reflexed portion flabelliform, applanate or conchate, 0.5-3 X 3-6 X 0.1-0.2 cm.; surface 
spuriously zoned, sometimes zonate behind, concentrically furrowed at times, hirsute to 
hispid, nearly white to isabelline; margin very thin, pallid, undulate. to lobed: context 
pallid to isabelline, membranous ; tubes very short, grayish-isabelline within, mouths fairly 
regular, circular to slightly angular, 3-4 to a mm., edges white to grayish-white and finally 
isabelline, rather thick at first, becoming thin, entire and slightly uneven: spores smooth, 
hyaline. 
TYPE LOCALITY : Bahia, Brazil. 
Hapitat: Dead wood of various kinds. . . 
DISTRIBUTION: Tropical America, and northward in the United States to Pennsylvania, 
Missouri, and Texas. 
EXSICCATI : Ellis & Ev. N. Am. Fungi 1694, 1695; Rav. Fungi Car. 1: 25; Rav. Fungi Am. 
429. 
