Parr 4, 1915] AGARICACEAE 273 
TYPE LOCALITY: France. 
Hasitat: Upon leaves in woods. 
DISTRIBUTION: Rhode Island, Ohio, vray and probably Minnesota; also in Europe. 
ILLUSTRATIONS: Pers. Ic. Descr. Fung. pl. 4, f. 1-3; Ricken, Blatterp. Deutschl. pl. 24, f. 1. 
ExsiccaTl: Clements, Crypt. Form. Colo. 367. 
97. Marasmius Sutliffae Peck, Bull. Torrey Club 32: 78. 1905. 
Pileus thin, tough, subcampanulate or convex, 1-2 cm. broad; surface glabrous, shining 
when moist, reddish-brown, often darker at the center, the red color fading out in dried plants: 
context having a bitter taste; lamellae broad, moderately close, subventricose, adnexed, white, 
often with a pinkish tint, interspaces venose: spores ellipsoid, often guttulate, 8-10 & 5-6 n: 
stipe slender, cartilaginous, hollow, pallid, glabrous or slightly pruinose above, abundantly 
white-tomentose at the base, 2.5-4 cm. long, 2-3 mm. thick. 
TYPE LocaLity: Sacramento, California. 
Hasrrat: Upon lawns in shaded places. 
DISTRiBUTION: Known only from the type locality. 
98. Marasmius trullisatipes Peck, Bull. N. Y. State Mus. 167: 44. 
1913. 
Pileus thin, subfleshy, campanulate or convex, acutely umbonate, 12-20 mm. broad; 
surface glabrous, isabelline or subrufescent, the umbo often blackish in dried plants: lamellae 
adnate, rather close, thin, broad anteriorly, whitish tinged with pink: spores 6 X 44: stipe 
tough, solid, radicating, externally cartilaginous, brownish, white within, pruinose above, 
tomentose below, 3-5 cm. long, 2-3 mm. thick. 
’ ‘TYPE LOCALITY: Minnesota. 
Hasitat: Upon the ground. 
DIsTRIBUTION: Ohio and Minnesota. 
99. Marasmius umbonatus Peck, Bull. Buffalo Soc. Nat. Sci. 1: 58. 
1873. 
Pileus thin, tough, expanded, umbonate, gregarious, 13~19 mm. broad; surface glabrous, 
alutaceous, margin smooth or substriate, at first incurved: lamellae interveined, branched in 
front, reaching the stipe, subdistant, narrow, white: spores 7-8 X 3.5 u: stipe equal, solid, 
fulvous above, pallid below, velvety-tomentose, 2.5-4 cm. long, 1 mm. thick. 
TYPE LocaLIty: North Elba, New Vork. 
Hasirat: Ground under conifers. _ 
DistriBution: Adirondack Mountains, New York. 
100. Marasmius foetidus (Sow.) Fries, Epicr. Myc. 380. 1838. 
Merulius foetidus Sow. Engl. Fungi pl. 21. 1796. 
Agaricus yenosus Pers. Syn. ae 67. 18 
Marasmius acerinus Peck, Bull. N. Y. State Mus. 5: 648. 1899, 
Pileus submembranous, ae convex, then explanate, umbilicate, 10-20 mm. broad; 
surface subpruinose, fulvobadious or fox-brown, fading in dry plants; margin striate-plicate, 
at first involute, lax or drooping: context having a strong, disagreeable odor; lamellae annulate- 
adnexed, not broad, distant, reddish-yellow: spores 7-8 X 44: stipe pruinose, minutely 
floccose at the base, hollow, spadiceous. darker below, I-2.5 cm. long, 2 mm. thick. 
TYPE LOCALITY: England. 
Hasirat: Fallen twigs, leaves, etc. 
DISTRIBUTION: Temperate North America; also in Europe. 
ILLustRATIONS: Boud. Ic. Myc. 1: pl. 73; Britz. Hymen. Sudb. Marasm. f. 30; Bernard, 
Champ. Roch. pl. 43, f. 2; Cooke, Brit. Runes pl. 1134 (1081) A; Gill. Champ. Fr. #l. 442; Hard, 
Mushrooms f. 104; Sow. Engl. Fungi pl. 2 
ExsIccaTI: Rab.-Wint. Fungi Eur. 4532, Roum. Fungi Gall. 3701; Cooke, Fungi Brit. 405 
(as M. impudicus Fries). 
101. Marasmius Copelandi Peck, Bull. Torrey Club 31: 182. 1904. 
Pileus thin, tough, broadly convex, 1-2 cm. broad; surface glabrous, tawny: context 
having a strong and unpleasant mephitic taste and odor; lamellae few, adnate, distant, pallid: 
