288 NORTH AMERICAN FLORA [VoLumE 9 
4. Crinipellis stupparia (Berk. & Curt.) Pat. Tax. Hymén. 143. 
1900. 
Agaricus (Collybia)stupparius Berk. & Curt. Jour. Linn. Soc. 10: 285. 1868. 
Pileus convex to plane, subcostate, rather thin, umbonate to umbonate-depressed, 2-8 mm. 
broad; surface fulvous, densely covered with long, overlapping, fibrillose, fulvous scales: 
lamellae broad, rather crowded, adnate to a collar, white to discolored: spores ovoid, smooth, 
hyaline or slightly yellowish, granular, 7-9 X5~7 4; stipe slender, equal, concolorous, coarsely 
and conspicuously villose-hispid, with fulvous, subfasciculate hairs, 1-2 cm. long, about 0.5 mm. 
thick. 
TYPE LocaLity: Cuba. 
Hasrrat: On fallen dead sticks in woods. 
DistTRiBuUTION: Cuba, Bermuda, and Mexico. 
5. Crinipellis alnicola Murrill, sp. nov. 
Pileus subglobose to convex, rather firm, gregarious, 5-8 mm. broad; surface densely 
villose, chestnut-colored, not becoming glabrous, margin concolorous, involute, strongly 
inflexed on drying: lamellate adnate, rather broad and distant, pallid, the edges finely notched: 
stipe clothed and colored like the pileus, pallid and tomentose at the apex, cylindric, equal, 
spongy-stuffed, with a cortex, 5-10 mm. long, 1-1.5 mm. thick. 
Type collected on dead alder trunks in dense woods near Seattle, Washington, October 20- 
November 1, 1911, W. A. Murrill 561 (herb. N. Y. Bot. Gard.). 
DISTRIBUTION: Known only from the type locality. 
6. Crinipellis squamifolia Murrill, sp. nov. 
Pileus conic to convex, not expanding, solitary or gregarious, 1 cm. broad and 5 mm. high; 
surface melleous, conspicuously covered with long, loose, shaggy, ferruginous-fulvous hairs, 
margin entire, even, concolorous: lamellae distant, adnate, ventricose, very pale russet to gray- 
ish, covered with hyaline or yellowish scales, which are irregular, angular, about 12-14 X7-9 yu; 
spores ovoid, smooth, hyaline, 7X5 u: stipe cylindric, equal, enlarged at the base, pallid, with 
conspicuous, ferruginous hairs similar to those on the pileus, becoming subglabrous with age at 
the apex, 4 cm. long, 1.5 mm. thick. 
Type collected in soil on a moist bank among dead sticks at Chester Vale, Jamaica, December 
21-24, 1908, W. A. & Edna L. Murrill 271 (herb. N. Y. Bot. Gard.). 
DistriBuTIon: Jamaica and Mexico, at 1000-2000 m. elevation. 
7. Crinipellis echinulata Murrill, sp. nov. 
Pileus globose to subexpanded, convex, tough, opaque, gregarious, 5 mm. broad; surface 
radiate-sulcate, bay to chestnut, conspicuously covered with pointed, concolorous spines, which 
are more prominent on the disk in mature plants: lamellae broad, crowded, whitish: spores 
globose to subglobose, smooth, hyaline, 4—6 u; stipe slender, smooth, glabrous, dark-avellaneous 
to fuscous, 1~2.5 cm. long, about 0.5 mm. thick. 
Type collected on a fallen dead trunk in woods at Orizaba, Mexico, January 10-14, 1910, W. A. 
& Edna L. Murrill 852 (herb. N. Y. Bot. Gard.). 
DISTRIBUTION: Known only from the type locality. 
23. LENTINUS Fries, Syst. Orbis Veg. 77. 1825. 
Pocillaria (P. Br.) Kuntze, Rev. Gen. 865. 1891. 
Panus Fries, Epicr. Myc. 396. 1838. 
Pileus thin, coriaceous, reviving, umbilicate or infundibuliform: lamellae decurrent: 
spores hyaline: stipe central, rarely eccentric, solid, more or less woody: veil none. 
Type species, Lentinus tuber-regium Fries. 
Pileus glabrous. 
‘Temperate species. 
Pileus 1-3 ecm. broad. 
Pileus and stipe white or yellowish; odor very agreeable. 
i : : 1. L. suavissi: : 
Pileus and stipe brownish-tan; odor not noticeable. aeerrsetbians 
2. L. umbilicatus. 
