Part 4, 1915] AGARICACEAE 241 
ating from a central point, white, very narrow and very much crowded: cystidia fusoid, 60- 
70X10-15 yw. 
Type collected on a dead stick, five miles east of Santiago de las Vegas, Cuba, September 11, 
1904, F. S. Earle 188 (herb. N. Y. Bot. Gard.). 
DISTRIBUTION: Known only from the type locality. 
4. Resupinatus subbarbatulus Murrill, sp. nov. 
Pileus suborbicular to reniform, rarely dimidiate, very thin, nearly plane above, gregarious 
to subimbricate, 2-2.5 cm. broad; surface white, pale-avellaneous, or fumosous, slightly sulcate, 
whitish-pulverulent to whitish-pruinose, margin thin, irregular or lobed, usually pallid: lamellae 
narrow, inserted, rather distant, white, radiating from a lateral point of attachment. 
Type collected on a fallen dead trunk in a coffee plantation on the bank of the Rio Blanco, at 
Xuchiles, near Cordoba, Mexico, January 17, 1910, W. A. & Edna L. Murrill 1142 (herb. N. Y. Bot. 
Gard.). 
DISTRIBUTION: Mexico, Jamaica, and Cuba. 
5. Resupinatus campanulatus (Peck) Murrill. 
Pleurotus campanulatus Peck, Ann. Rep. N. Y. State Mus. 44: 131 (19). 1891, 
Pileus thin, subtenacious, campanulate, attached by the vertex, which is sometimes pro- 
longed into a short stipe, 2-4 mm. broad; surface black, glabrous or sprinkled with a few 
grayish hairs, often plicate-striate on the margin; lamellae few, distant, whitish; spores curved, 
smooth, hyaline, 7.5-8.5 X3.5-4 yu. 
TYPE LOCALITY, Saugerties, New York. 
Hasitat: On dead branches of mulberry. 
DistTrRiBUTION: Known only from the type locality. 
ILLUSTRATIONS: Ann. Rep. N. Y. State Mus. 44: pl. 2, f. 13-15. 
6. Resupinatus orizabensis Murrill, sp. nov. 
Pileus campanulate, attached by the vertex, somewhat collapsing, solitary, reaching 7 mm. 
broad; surface smooth or slightly striate, fumosous to bluish-black, minutely whitish-pruinose, 
margin concolorous, entire, inflexed on drying; lamellae radiating from the center, very thin 
and delicate, narrow, distant, white, the interspaces white and smooth. 
Type collected on fallen dead sticks in coffee plantations at Orizaba, Mexico, January 10-14, 
1910, W. A. & Edna L. Murrill 804 (herb. N. Y. Bot. Gard.). 
DISTRIBUTION: Known only from the type locality. 
7. Resupinatus approximans (Peck) Murrill. 
Pleurotus approximans Peck, Bull.\N. Y. State Mus. 150: 37, 1911, 
Pileus thin, tough, subgelatinous, dimidiate or subflabelliform or with a short stemlike 
base, 6-12 mm. broad; surface more or less strigulose-hairy, especially toward the base, be- 
coming pruinose or subglabrous with age, pallid, grayish-brown, or smoky-brown, margin 
at first involute, thin, not striate, expanded or slightly recurved: lamellae narrow, close, tapering 
toward each end, converging to a basal point, creamy-yellow, minutely bristly on the edges 
and sides with projecting, hyaline, pointed cystidia, which are 60-80 X 15-20 yu. 
TYPE LOCALITY: Sylvan Beach, Oneida County, New York. 
Hasirat: On decaying wood and: bark. 
DISTRIBUTION: Known only from the type locality. 
8. Resupinatus violaceofulvens (Batsch) Murrill. 
Agaricus violaceofulvens Batsch, Elench. Fung. 95. 1783. 
Panus violaceofulvus Quél. Champ. Jura Vosg. 205. 1872. 
Panus salicinus Peck, Ann. Rep. N. Y. State Mus. 24:77. 1872. 
Pileus thin, resupinate, becoming dimidiate, convex to expanded, deflexed or subpendulous, 
gregarious to imbricate, 5-15 mm. broad; surface reddish-brown beneath the tomentum, clothed 
with a dense, felted, grayish tomentum, margin involute; lamellae concentric, broad, ventricose, 
thin, of medium distance, violet-fulvous, pale-brownish in dried specimens: spores cylindric, 
somewhat curved, smooth, hyaline, 8-11 2-3 x. 
