Parr 4, 1915] AGARICACEAE 255 
center, margin entire, concolorous: lamellae very broad and distant, about 8 in number, attached 
to a collar, not interveined, pallid: stipe capillary, smooth, glabrous, shining, brown or blackish, 
inserted, 2-3 cm. long. 
‘Type collected on dead leaves in British Honduras, 1906, Morion E. Peck (herb. N. Y. Bot. Gard.). 
DistrIBUTION: British Honduras and Porto Rico. 
2. Marasmius petiolorum Berk. & Curt. Jour. Linn. Soc. 10: 296. 
1868. 
Pileus convex to subplane, gregarious, 1 mm. broad; surface subpellucid, pruinose, margin 
striate: lamellae white, adnate, few, broad: stipe pruinose, pellucid, 6 mm. long. 
TYPE LOCALITY: Cuba. 
Hasrrat: On leaf petioles and nerves. 
DisTRIBUTION: Known only from the type locality. 
3. Marasmius Marbleae Murrill, sp. nov. 
Pileus minute, opaque, convex, not fully expanding, rarely subumbonate, gregarious, 2 
mm. broad; surface white, not striate, subglabrous, smooth, margin entire, concolorous: 
lamellae adnate, rather broad, distant, interveined, firm, somewhat undulate on the edges, 
white: spores ellipsoid, smooth, hyaline, 5-7 3-4 u: stipe filiform, minutely pulverulent, 
inserted, pale-bay, at least when dry, 4-6 mm. long, 0.2 mm. thick. 
Type collected on fallen dead sticks on the road between St. Paul and Derry, Cockpit Country, 
aig September 13-18, 1906, Elizabeth G. Britton & Delia W. Marble 340 (herb. N. Y. Bot. 
ard.). 
DISTRIBUTION: Cockpit Country, Jamaica. 
4. Marasmius subtenerrimus Murrill, sp. nov. 
Pileus convex when very young but soon becoming plane or slightly depressed, very thin 
and tough but somewhat translucent, gregarious, reaching 3 mm. broad; surface white, smooth, 
glabrous, appearing striate over the lamellae, margin irregular or slightly lobed, concolorous: 
lamellae few, forked, narrow, adnate or slightly decurrent, white: spores globose to ellipsoid, 
smooth, hyaline, granular, 4-6 yu: stipe filiform, smooth, glabrous, white above, usually slightly 
pruinose below, expanding as it enters the leaf, 5-7 mm. long. 
Type collected on fallen dead leaves in British Honduras, 1906, Morton E. Peck (herb. N. Y. 
Bot. Gard.). 
DistrRIsutTION: Known only from the type locality. 
5. Marasmius bermudensis Berk. Jour. Linn. Soc. 15:49. 1876. 
Pileus convex, 2 mm. broad; surface white, pulverulent, margin inflexed, subsulcate: 
lamellae short-adnate, distant, not interveined, pale-alutaceous when dry, edges white: stipe 
short, pellucid above, pulverulent below, 6-12 mm. long. 
‘Tyee LOCALITY: Paynter’s Vale, Bermuda. 
Hasirat: On dead coffee wood. . 
DISTRIBUTION: Known only from the type locality. 
6. Marasmius theobromicola Murrill, sp. nov. 
Pileus hemispheric to convex, umbilicate, not expanding, small, gregarious, reaching 2 mm. 
broad; surface white, subpruinose, especially at the center, becoming glabrous, striate, margin 
entire, concolorous: lamellae adnate, very broad, few, distant, plane, not interveined, white: 
spores ovoid, smooth, hyaline, 5-6 X3-4 y; stipe filiform, white, smooth, glabrous, enlarged 
at the apex, whitish-mycelioid at the base, I-1.5 cm. long. 
Type collected on decayed cocoa pods in dense shade at ‘‘ The Bower,” St. George’s, Grenada, 
West Indies, September, 1905, W. E. Broadway (herb. N. Y. Bot. Gard.). 
DISTRIBUTION: Known only from the type locality. 
7. Marasmius chrysochaetes Berk. & Curt. Jour. Linn. Soc. 10: 297, 
1868. 
Pileus convex, umbilicate, 2 mm. broad; surface white, margin sulcate: lamellae white, few, 
broad, with’a collar: stipe slender, elongate, glabrous, fulvous, 2.5 cm. or more long. 
TYPE Locatity: Cuba. 
Hasrtat: On dead leaves. 
DISTRIBUTION: Cuba. 
