Part 2, 1917] AGARICACEAE 98 
30. Leptoniella flavobrunnea (Peck) Murrill. 
Leptonia flavobrunnea Peck, Bull. Torrey Club 36: 332. 1909. 
Pileus thin, fragile, convex, umbilicate or centrally depressed, decurved on the margin, 
sometimes becoming nearly plane, gregarious, 1~2.5 cm. broad; surface subhygrophanous, 
minutely tomentose at the center, dark-brown or reddish-brown when young and moist, 
yellowish-brown when dry; context having a slightly farinaceous taste; lamellae adnate or 
subdecurrent, somewhat crowded, pale-lemon-yellow, becoming reddish-ocher or pinkish, 
sometimes transversely venose; spores subglobose, angular, uninucleate, obliquely apiculate 
at one end, 8 ,; stipe slender, fragile, flexuous, terete or compressed, stuffed or hollow, glabrous, 
fibrous, pallid or lemon-yellow, becoming brownish-yellow, often curved and white at the 
base, 5—7.5 em. long, 2-3 mm. thick. 
TYPE LOCALITY: Stow, Massachusetts. 
Hasitat: In swamps under deciduous trees. 
DistRrBution: Known only from the type locality. 
31. Leptoniella strictipes (Peck) Murrill. 
Lepionia strictipes Peck, Bull. N. Y. State Mus. 150: 57. 1911. 
Pileus thin, campanulate or convex, obtuse or slightly umbilicate, 1.5-2.5 cm. broad; 
surface yellowish-brown or dark-brown, even or striatulate on the thin margin; lamellae thin, 
narrow, crowded, adnate or slightly sinuate with a decurrent tooth, dusted and subincarnate 
from the spores, which are angular, uninucleate, usually with an oblique apiculus at one end, 
10-14 X 7-9 uw; stipe long, slender, straight, glabrous, hollow, equal or slightly tapering upward, 
with whitish mycelium at the base, 6-8 cm. long, 2-3 mm. thick. 
TYPE Locality: Stow, Massachusetts. 
Hasirat: Among sphagnum. ; 
Distr1sutron: Known only from the type locality. 
32. Leptoniella subvilis (Peck) Murrill. 
Agaricus rhodopolius umbilicatus Peck, Ann. Rep. N. Y. State Mus. 38: 109. 1885. 
Clitopilus subvilis Peck, Ann. Rep. N. Y. State Mus. 40: 53. 1887. 
Pileus thin, centrally depressed or umbilicate, 1.5-3 cm. broad; surface hygrophanous, 
dark-brown when moist, grayish-brown and silky-shining when dry, margin decurved, striatu- 
late when moist; context having a farinaceous taste; lamellae subdistant, adnate or slightly 
decurrent, whitish when young, becoming flesh-colored; spores angular, 7.5-10 u long; stipe 
slender, brittle, rather long, stuffed or hollow, glabrous, concolorous or a little paler, 5-8 cm. 
long, 2-4 mm. thick. 
Type LocaLity: Karner, New York. 
Hasirat: On damp soil in thin woods. . 
DISTRIBUTION: New York and North Carolina. 
33. Leptoniella edulis (Peck) Murrill. 
Leptonia edulis Peck, Bull. Torrey Club 22: 201. 1895. 
Pileus thin, convex or centrally depressed, with or without an umbo, 1-3.5 cm. broad; 
surface velvety, dark-gray; context having a nutty flavor; lamellae rather broad, subventricose, 
adnexed, moderately crowded, at first whitish or light-drab, becoming flesh-colored ; spores 
subglobose, angular, apiculate at one end, 7.5-10 » long, containing a single large nucleus; 
stipe slender, hollow, concolorous, often with an abundant, white, mycelioid tomentum at the 
base, 2.5-3.5 cm. long, 1-2 mm. thick. 
‘Typr LOCALITY: Pasadena, California. 
Hanitat: Among grass and weeds. 
DIsTRIBUTION: California. 
34. Leptoniella occidentalis Murrill, sp. nov. 
Pileus broad, thin, regular, convex to plane, not umbonate, solitary, 2-3 cm. broad; 
surface dry, finely scabrous or fibrillose, not striate, uniformly very dark steel-blue-violet or 
