ParT 5, 1916] AGARICACEAE 333 
56. Prunulus ochraceicinereus Murrill, sp. nov. 
Pileus thin, broadly convex, not umbonate, gregarious, 2 cm. broad; surface smooth, 
glabrous, shining, pale-ochraceous-cinereous, margin whitish, slightly striate: lamellae adnate 
with a decurrent tooth, very few inserted, broad near the margin, subdistant, pallid: spores 
oblong-ellipsoid, smooth, hyaline, about 7 X 4-5 u: stipe cylindric, equal, smooth, glabrous, 
concolorous, nearly white at the apex, pruinose at the base, 3-4 cm. long, 2 mm. thick. 
Type collected on decayed wood at Edgewater, New Jersey, September 20, 1902, F. S. Earle 
W.A. Murrill 1419 (herb. N. Y. Bot. Gard.). 
DISTRIBUTION: Known only from the type locality. 
57. Prunulus pectinatus Murrill, sp. nov. 
Pileus thin, conic to convex, not umbonate, becoming slightly umbilicate with age, cespi- 
tose, 2-3 cm. broad; surface dry, glabrous, striate, pallid, bay on the disk, margin very thin, 
white, splitting with age, the lamellae projecting and giving a scalloped effect: lamellae narrow, 
distant, interveined, adnate or adnexed, white: spores broadly ellipsoid, smooth, hyaline, 
8-9 X 7 w: stipe very slender, equal, smooth, glabrous, concolorous or slightly darker, especially 
below, 4 cm. long, 1 mm. thick. 
Type collected on fallen, dead, deciduous twigs at Lake Placid, Adirondack Mountains, New 
York, July 17-29, 1912, W. A. & Edna L. Murrill 202 (herb. N. Y. Bot. Gard.). 
DISTRIBUTION: Known only from the type locality. 
58. Prunulus ligniarius (Peck) Murrill. 
Collybia ligniaria Peck, Ann. Rep. N. Y. State Mus. 54: 145. 1901. 
Pileus thin, convex to subplane, obtuse or umbonate, 1.5-2.5 cm. broad; surface whitish 
or isabelline, glabrous, the disk brownish, margin thin, substriate: lamellae broadly sinuate, 
subdistant, thin, rather narrow, ventricose, white: spores subellipsoid or subglobose, 7.5-8.7 
X 6-7.5 uw: stipe glabrous, whitish or pallid, very rigid, equal, hollow, 2.5-5 cm. long, 2 mm. 
thick. 
TYPE Locanity: North Elba, New York. 
Hasirat: On dead deciduous wood. 
DISTRIBUTION: New York and Massachusetts. 
59, Prunulus Leaianus (Berk.) Murrill. 
Agaricus (Mycena) Leaianus Berk. Lond. Jour. Bot. 4: 300. 1845. 
Collybia Leaiana Fairman, Proc. Rochester Acad. Sci. 2: 155. 1892. 
Piles thin, convex, umbilicate, cespitose, 1-2 cm. or more broad; surface luteous to 
miniatous, minutely red-virgate, margin striate: lamellae sinuate-adnexed, distant, ventricose, 
orange, scarlet on the edges: spores oblong-ellipsoid, smooth, 7-9 X 4-5 y: stipe long, viscid, 
strigose-tomentose below, orange, 6 cm. long, 2 mm. thick. 
TYPE LocaLity: Cincinnati, Ohio. 
Hasrrat: On dead logs. 
Distripution: Maine to North Carolina and west to Michigan and Ohio. 
ILLUSTRATION: Bull. Conn. Geol. Hist. Surv. 15: gl. 11. 
Exsiccati: Shear, N. Y. Fungi &. 
60. Prunulus purpureofuscus (Peck) Murrill. 
Agaricus (Mycena) purpureofuscus Peck, Ann. Rep. N. Y. State Mus. 38: 85. 1885. 
Mycena purpureofusca Sacc. Syll. Fung. 5: 255. 1887. 
Pileus membranous, campanulate or convex, obtuse, 1-2.5 em. broad; surface glabrous, 
purplish-brown to lilac-brown, margin striate: lamellae ascending, adnate, subdistant, lance- 
olate, white, purplish-brown on the edges: spores subglobose, 6-7.5 X 6: stipe slender, 
glabrous, concolorous or paler, hollow, white-pilose at the base, 2.5-7.5 em. long, 2 mm. thick. 
TYPE LocaLity: Caroga, New Vork. 
Hagirat: Dead trunks of coniferous trees in woods. 
DIstRrBUTION: Mountains of New York and Virginia. 
