Part 3, 1917] AGARICACEAE 207 
spores broadly ellipsoid, 6-7.5 X 4-5 u; stipe solid, equal or slightly thickened at the base, 
fibrillose, paler than the pileus, 3.5-6.5 cm. long, 4-8 mm. thick. 
TYPE LOCALITY: Pasadena, California. 
Hasirar: On the streets or among oak leaves. 
DistRIBuTION: Southern California, 
51. Gymnopilus ornatulus Murrill, Mycologia 4: 251. 1912. 
Flammula ornatula Murrill, Mycologia 4: 262. 1912. 
Pileus convex to nearly plane, gibbous or umbonate, cespitose, 3 cm. broad; surface dry, 
slightly viscid when wet, fibrillose, flavo-melleous tinged with pale-rose-brown, the latter color 
more conspictious at the center; lamellae adnate, plane, broad, of medium distance, pallid 
when young, becoming pale-fulvous from the spores; spores ellipsoid, smooth, pale-melleous 
under the muicroscope, 6 X 3.5-4 4; stipe smooth, glabrous and cremeous at the apex, sub- 
concolorous and shaggy-fibrillose below, 5 cm. long, 4 mm. thick. 
TYPE LOCALITY: Preston’s Ravine, California. 
Hasirat: On a bank by the roadside. 
DistrrButi0on: Known only from the type locality. 
52. Gymnopilus Abramsii Murrill, sp. nov. 
Pileus convex to subexpanded, scattered, 4-6 cm. broad; surface dry or nearly so, grayish- 
brown, decorated with reddish-brown fibrils or scales, margin entire, concolorous; context 
white, without characteristic odor or taste; lamellae adnate or adnexed, crowded, ventricose, 
creamy-pink to ferruginous; spores ellipsoid, smooth, bright-ferruginous, 8 X 4-5 u; stipe 
cylindric or slightly compressed, white, solid, smooth, slightly arachnoid-fibrillose, 6-8 cm. 
long, 6-10 mm. thick. 
Type collected on the ground among oak leaves at Stanford University, California, November 
27, 1902, L. R. Abrams & James McMurphy 65 (herb. N. Y. Bot. Gard.). 
DISTRIBUTION: Known only from the type locality. 
53. Gymnopilus longisporus Murrill, sp. nov. 
Pileus irregular, convex to expanded and at length somewhat depressed, solitary, about 
4 cm. broad; surface subtomentose, hygrophanous, uniformly castaneous-fulvous, margin 
entire, concolorous, inflexed, context thick, yellow; lamellae adnate, thick, subdistant, rather 
narrow, watery-flavous, entire and concolorous on the edges; spores oblong-fusiform, smooth, 
melleous under the microscope, uniguttulate, 8-10 X 5-6 yu; stipe enlarged below, somewhat 
fibrillose, longitudinally streaked, avellaneous to sulfureous, flavous-mycelioid at the base, 
5 cm. long, 1.3 cm. thick. 
Type collected on the ground in a coniferous forest at Mill City, Oregon, November 9, 1911, 
W.A. Murrill 819 (herb. N. Y. Bot. Gard.). 
DisTRiBUTION: Known only from the type locality. 
54. Gymnopilus oregonensis Murrill, sp. nov. 
Pileus conic to hemispheric-convex, not fuliy expanding, gregarious, 1.5-2.5 cm. broad; 
surface dry or moist, smooth, glabrous, uniformly latericious, margin entire, concolorous, 
deflexed; lamellae adnexed, broad, not crowded, cremeous to fulvous; spores ovoid, finely 
echinulate, pale-ferruginous under the microscope, 8.5 X 5-6 u; stipe equal, hollow, smooth, 
latericious or slightly paler, whitish-pulverulent throughout, becoming more or less glabrous 
with age, 2-3 cm. long, 3-5 mm. thick. 
Type collected on a dead fir log in a dense fir forest at Glen Brook, Oregon, November 7, 1911, 
W.A. Murvill 739 (herb. N. Y. Bot. Gard.). 
Hasrrat: On dead coniferous logs. 
DISTRIBUTION: Oregon. 
55. Gymnopilus vialis Murrill, Mycologia 4: 255. 1912. 
Flammula vielis Murrill, Mycologia 4: 262. 1912. 
Pileus convex to expanded, at length depressed, splitting radially at the margin, wood- 
loving, 5 cm. broad; surface dry, glabrous, smooth, at length rimose, dark-flavo-luteous with 
