Part 5, 1916] AGARICACEAE 371 
77. Gymnopus oculatus Murrill, sp. nov. 
Pileus thin, rather tough, convex to plane, slightly umbonate, gregarious or cespitose, 
reaching 3 cm. broad; surface dry, glabrous, striate, white, latericeous on the disk: lamellae 
nearly free, narrow, crowded, stramineous: spores ellipsoid, smooth, hyaline, 4-6 & 2.5-3.5 u: 
stipe cylindric, equal, slender, tough, hollow, pale-avellaneous-isabelline, whitish-pruinose, 
about 6 cm. long, 2 mm. thick. 
Type collected on decayed wood in woods at Troy & Tyre, Cockpit Country, Jamaica, January 
12-14, 1909. W.A. Murrill & W. Herris 1022 (herb. N. Y. Bot. Gard.). 
DIsTRIBUTION: Known only from the type locality. 
78. Gymnopus marasmiiformis Murrill, sp. nov. 
Pileus rather tough, convex, gregarious, 5~10 mm. broad; surface pale-ochraceous, silky- 
pruinose to glabrous, smooth, dry: lameilae adnate, narrow, yellowish, crowded: spores globose, 
smooth, hyaline, 2.5—4 yw: stipe cylindric, slightly tapering upward, smooth, densely whitish- 
pruinose, 2-3 cm. long, about 1 mm. thick. 
Type collected on dead wood at Castleton, Jamaica, October 28, 1902, F. S. Earle 254 (herb. 
N. Y. Bot. Gard.). 
DisTRIBUTION: Known only from the type locality. 
79. Gymnopus domesticus Murrill, sp. nov. 
Pileus convex to nearly plane, 1-3 cm. broad; surface dry, subglabrous, dark-ochraceous, 
margin even, not silky: context slightly brownish, mild, subaromatic; lamellae heterophyllous 
and furcate, adnate, subcrowded, rather thick, narrow, slightly ventricose, white to pale- 
brown: spores ellipsoid, smooth, hyaline, 6 X 44: stipe cylindric, white, solid, pruinose 
above, subglabrous below, 1-2 cm. long, 3-4 mm. thick. 
Type collected on manured garden beds at Hope Gardens, Jamaica, October 23, 1902, F. S. 
Earle 31 (herb. N. Y. Bot. Gard.). 
DIstRIBUTION: Known only from the type locality. 
80. Gymnopus monticola Murrill, sp. nov. 
Pileus rather thick and tough, convex, broadly umbonate or nearly plane, becoming de- 
pressed around the disk, gregarious, 5 cm. broad; surface smooth, glabrous, becoming some- 
what striate, pale-isabelline, pale-latericeous on the disk, margin pallid, irregular, becoming 
upturned and splitting with age: lamellae adnate or sinuate, broad, distant, white to yellowish, 
latericeous with age: spores ovoid, slightly roughened, hyaline, 7.5-8.5 X 5 yu: stipe enlarged 
above and below, tough, whitish-pulverulent, cremeous at the apex, latericeous near the 
base, 5 cm. long, 5 mm. thick. 
Type collected on an old log across the trail on Sir John Peak, Jamaica, 1800 m., January 5, 
1909, W. A. Murvill 809 (herb. N. Y. Bot. Gard.). 
DistRrpuTion: Known only from the type locality. 
81. Gymnopus nigritiformis Murrill, sp. nov. 
Pileus thin, convex, cespitose, about 1 cm. broad; surface dry, smooth, glabrous, fulvous, 
becoming fuliginous on drying: lamellae adnexed, subcrowded, narrow, white, scarcely chang- 
ing on drying: spores ovoid, pointed at one end, slightly curved, smooth, hyaline, 5 X 3 u: 
stipe slender, cylindric, equal, smooth, subglabrous, dull-rosy-isabelline, 2-3 cm. long, 1.5-2 
mm. thick. 
Type collected on the ground in humus under tree ferns at Morce’s Gap, Jamaica, 1500 m. 
ae December 29, 30, January 2, 1908-9, W. A. & Edna L. Murrill 746 (herb. N. Y. Bot. 
ard.). 
DIstRIBUTION: Known only from the type locality. 
82. Gymnopus densifolius Murrill, sp. nov. 
Pileus very convex, not expanding, more or less eccentric, very thin, gregarious to sub- 
cespitose, 1—1.5 em. broad; surface pruinose to glabrous, smooth, hygrophanous, fulvous, 
margin inflexed when young, concolorous, estriate, splitting with age, often discolored on 
