20 NORTH AMERICAN FLORA [VoLumE 9 
8. Coriolus hexagoniformis Murrill, sp. nov. 
Pileus resupinate, effused, narrowly reflexed, white throughout, slightly stramineous 
in dried specimens, 0-0.3 2-4 X0.1-0.2 cm.; surface soft, nearly glabrous, azonate; 
margin thin, irregular, lobed, sometimes inflexed: context thin, white, fibrous; tubes 
large, shallow, about 1 mm. deep, mouths hexagonal, quite regular, 1 mm. in diameter, 
edges thin, entire or slightly dentate: spores smooth, hyaline. 
Type collected at Auburn, Alabama, on dead pine branches, December 15, 1900, /. S. Zarle. 
DISTRIBUTION : Alabama. 
9. Coriolus depauperatus (Pat.) Murrill. 
Polystictus depauperatus Pat. Jour. de Bot. 3: 166. 1889. 
Pileus widely effused, narrowly reflexed, very thin, soft, spongy, flexible, the reflexed 
portion 0-5 mm. broad, 1 mm. or less thick; surface white, spongy-tomentose, azomate ; 
margin very thin, concolorous, broadly sterile at times: context white, membranous ; tubes 
punctiform, very short, white within, mouths circular to slightly angular, 5 to a mm., 
edges thin, entire to dentate, white, becoming very pale-yellowish on drying : spores smooth, 
hyaline. 
TYPE LOCALITY: Puerto Cerico, Venezuela. 
HaBitaT: Trunks of trees and dead wood in fields. 
DISTRIBUTION: Cuba; also in Venezuela. 
10. Coriolus pallidofulvellus Murrill. 
Polyporus pallidocervinus Mont. Pl. Cell. Cuba 397. 1842. Not P. pallidocervinus Schw. 1832. 
Pileus imbricate, sessile, decurrent, dimidiate, conchate, thin, coriaceous, flexible, 
1-1.5 X 2-3 &0.1-0.2 cm.; surface isabelline to pale-fulvous, slightly virgate with striate 
fibers, finely tomentose, azonate; margin thin, subentire, incurved when dry: context 
punky-fibrous, tough, pallid, less than 1 mm. thick ; tubes very short, less than 1 mm., 
mouths angular, irregular, flaccid, 2-4 toa mm., edges thin, dentate to lacerate, white to 
fulyous: spores smooth, hyaline. 
TYPE LOCALITY : Cuba. 
HABITAT: Dead wood. 
DISTRIBUTION : Cuba. 
11. Coriolus limitatus (Berk. & Curt.) Murrill. 
Trametes limitata Berk. & Curt. Grevillea 1: 66. 1872. — 
Pileus thin, coriaceous, slightly flexible, applanate, dimidiate to suborbicular, sessile, 
2X 2.5-3 & 0.1-0.2 cm.; surface finely tomentose, indistinctly zoned, uniformly dull-isabel- 
line in dried specimens, smooth or very slightly rugose ; margin acute, entire, sterile for 
about 2 mm.: context thin, fibrous, very firm, but flexible, 0.5 mm. thick; tubes short, 1 
mm. long, tinted with pale-latericeous within, mouths minute, regular, angular, edges very 
thin, entire to slightly dentate, white, tinged with flesh color: spores not examined. 
TYPE LOCALITY : New Mexico. 
HapitatT: Decayed wood. 
DISTRIBUTION: Known only from the type locality. 
12. Coriolus delectans Murrill, sp. nov. 
Pileus confluent-effused, subimbricate, broadly reflexed and expanded, dimidiate to 
reniform, applanate or convex above, concave below, very thin, soft and tough, very flexi- 
ble, 2-4 & 3-6 X 0.1 cm.; surface villose-tomentose, uniformly milk-white, marked with a 
few indistinct concentric furrows of variable width and depth; margin very thin, flaccid, 
entire to undulate, rarely lobed: context white, soft, tough, less than 1 mm. thick, tubes 
punctiform, white, less than 1 mm. long, mouths angular, irregular, 4-5 to a mm., soon 
lacerate, but not becoming irpiciform, edges very thin, flaccid, lacerate-dentate, white, 
stramineous in dried specimens: spores smooth, hyaline. 
Type collected in Alto Cedro, Cuba, on a small dead fallen hardwood trunk in a dense 
forest, March 20, 1905, F. S. Zarles? W. A. Murrill 431. 
DISTRIBUTION: Kuown only from the type locality, 
virgin 
