302 NORTH AMERICAN FLORA [VoLumE 9 
17. Geopetalum copulatum (Ehrenb.) Murrill. 
Panus copulaius Ehrenb. Horae Phys. Berol. 86. 1820. 
Panus subflabellatus P. Henn. Hedwigia 36: 206. 1897. 
Claudopus byssisedoides P. Henn. Hedwigia 43: 183. 1904. 
Pileus thin, rather tough, imbricate, usually sessile, often varying to restipinate on the 
under side of a log, normally flabelliform or attenuate-cuneiform, whitish-mycelioid behind 
5-15 mm. broad; surface pale-ochraceous to fuscous-pallid, finely pubescent, becomig! dis- 
colored on the margin on drying: lamellae narrow, thin, crowded, white, becoming déolored : 
spores ellipsoid, smooth, hyaline, 7 X 4 un. 
TYPE LOCALITY: Brazil. 
HasiTat: On cocoanut petioles, bamboo trunks, and other kinds of dead wood in shaded places, 
DistrRIBuTION: Cuba and Honduras; also in eneer ee: and Brazil. 
ILLUSTRATION: Horae Phys. Berol. ol, 81,f.5 
18. Geopetalum tremelliforme Murrill, sp. nov. 
Pilei somewhat tough, becoming very firm on drying, sessile, flabelliform, 3-5 mm. broad, 
closely imbricate in a Tremella-like cluster about 8 mm. in diameter; surface smooth, glabrous, 
hygrophanous, ferruginous, margin entire, concolorous: lamellae broad, distant, inserted, 
ochroleucous, the edges unusually thick for the genus: stipe wanting. 
Type collected on dead wood in Castleton Gardens, Jamaica, December 14-15, 1908, W. A. & 
Edna L. Murrill 75 (herb. N. Y. Bot. Gard.). : 
DIsTRIBUTION: Known only from the type locality. 
19. Geopetalum catephes (Berk.) Murrill. 
Agaricus (Pleurotus) catephes Berk. Ann. Mag. Nat. Hist. II. 9: 192. 1852. 
Pleurotus catephes Sacc. Syll. Fung. 5: 365. 1887. 
Pileus delicate, horizontal, reniform, attenuate to a stipe, but emarginate behind, 1.25- 
2.5 em. broad; surface translucent, glabrous: lamellae not interveined, subdecurrent, distant, 
rather narrow. 
TYPE LOCALITY: Santo Domingo. 
Hasirat: In woods. 
DIstRIBuTION: Known only from the type locality. 
20. Geopetalum subhaedinum Murrill, sp. nov. 
Pileus usually broadly sessile, effused-reflexed at times, flabelliform, imbricate, rarely 
laterally connate, 2 cm. broad; surface milk-white, soft, pubescent, margin concolorous, 
sometimes lobed: context soft and fleshy, fragile on drying, the odor farinaceous; lamellae 
long, narrow, crowded, white: spores ellipsoid, smooth, hyaline, granular, 7 X 4 u. 
Type collected on a dead log at Xuchiles, near Cordoba, Mexico, January 17, 1910, W. A. & 
Edna L. Murrill 1134 (herb. N. Y. Bot. Gard.). 
DistRIBUTION: Mexico. 
21. Geopetalum semitectum (Berk. & Curt.) Murrill. 
Agaricus (Pleurotus) semitectus Berk. & Curt. ee Linn. Soc. 10: 288. 1868. 
Pleurotus semitectus Sacc. Syll. Fung. 5: 378. 1887. 
Pileus flabelliform or spatulate, sometimes lobed, 2.5-5 cm. broad; surface white to pale- 
fuscous, spongy-pubescent to glabrous: lamellae subdecurrent, narrow, very crowded, con- 
colorous: stipe very short or obsolete. 
TYPE LocaLity: Cuba. 
Hasrirat: On logs in dense woods. 
DIsTRiBUTION: Cuba, and possibly Guadeloupe. 
22. Geopetalum flavolanatum (Berk. & Curt.) Murrill. 
Agaricus (Pleurotus) flavolanaius Berk. & Curt. Jour. Linn. Soc. 10: 288. 1868. 
Pieurotus flavolanatus Sacc. Syll. Fung. 5: 376. 1887. 
Pileus sessile, convex, 2.5 cm. broad; surface spongy-tomentose, fuscous, resembling 
that of some species of Crepidotus: lamellae subdistant, flavous, not interveined: spores hyaline: 
stipe wanting. 
TYPE Locality: Cuba, 
Hapitat: On sticks. 
DistRipvTION: Known only from the type locality. 
