Parr 5, 1916] AGARICACEAE 313 
white, margin striatulate: lamellae uncinate-decurrent, distant, broad, white: spores oblong, 
7-8.5 X 3m: stipe slender, entirely glabrous or villose at the base, pellucid, white, slightly 
enlarged at the apex. 
Type Locatity: Adirondack Mountains, New York. 
Hasirat: Among moss and fallen leaves and on naked ground. 
DISTRIBUTION: New York. 
10. Omphalopsis clavata (Peck) Murrill. 
Omphalia clavata Peck, Ann. Rep. N. Y. State Mus. 51: 285. 1898. 
Pileus thin, convex to subplane, 4-8 mm. broad; surface glabrous, pallid or subcinereous, 
margin decurved: lamellae very decurrent, distant, narrow, pallid: spores globose, 5-6 yn: 
stipe long, slender, glabrous, slightly villose at the base, enlarged above, pallid, stuffed, 2.5 cm. 
long, 1 mm. or less thick. 
TYPE LOcALITy: Raybrook, Essex County, New York. 
Haspitat: On dead prostrate trunks of arbor-vitae, Thuja occidentalis. 
DistRiButTion: Known only from the type locality. 
11. Omphalopsis turbinata Murrill, sp. nov. 
Pileus convex to turbinate, usually umbonate, gregarious, 8-14 mm. broad; surface 
glabrous, hygrophanous, pale-grayish, becoming lighter when dry, margin thin, pallid, even 
or faintly subplicate, appressed when young: lamellae long-decurrent, subdistant, rather broad, 
concolorous: spores ellipsoid, pointed at one end, smooth, hyaline, 7-8 X 4: stipe sub- 
cylindric, smooth, slightly pruinose, concolorous above, darker below, firm, nearly solid, 3 cm. 
long, 1-1.5 mm. thick. 
Type collected on the ground among mosses in the New York Botanical Garden, July 10, 1902, 
F. S. Earle 207 (herb. N. Y. Bot. Gard.). 
DistRIBUTION: New York City. 
12. Omphalopsis campanella (Batsch) Earle, Bull. N. Y. Bot. 
Gard. 5: 425. 1909. 
Agaricus fragilis Schaeff. Fung. Bavar. 4: Ind. 56. 1774. Not Agaricus fragilis L. 1764. 
Agaricus campanella Batsch, Elench. Fung. 73. 1783. 
Agaricus (Omphalia) Tagetes Mont. Ann. Sci. Nat. TV. 14: 182. 1860. 
Omphalia campanella Quél. Champ. Jura Vosg. 219, 1872. 
Omphalia pubescentipes Peck, Bull. Torrey Club 24: 141. 1897. 
Pileus thin, rather tough, hemispheric or convex, umbilicate, gregarious to subcespitose, 
8-20 mm. broad; surface glabrous, hygrophanous, yellowish-ferruginous and striatulate when 
moist, paler when dry: lamellae moderately close, arcuate, decurrent, yellowish, the interspaces 
venose: spores ellipsoid, 6-7 X 3-4 uw: stipe firm, rigid, hollow, brown, often paler at the apex, 
tawny-strigose at the base, about 2.5 cm. long, scarcely 2 mm. thick. 
TypE LocaLity: Europe. 
Hasrtat: On much decayed wood of coniferous trees. 
DistRIButIon: Throughout temperate North America and at high elevations in Cuba, Jamaica, 
and Mexico; also in Europe. 
ILLUSTRATIONS: Cooke, Brit. ge fr 273 (263) A; Hard, Mushrooms f. 97; Mycologia 4: 
pl. 68, f. 10; Schaeff. Fung. *Bavar. pl. 2. 
13. Omphalopsis fibuloides (Peck) Murrill. 
Agaricus (Omphalia) fibuloides Peck, Ann. Rep. N. Y. State Mus. 24: 63, 1872. 
Omphaliea fibuloides Sacc. Syll. Fung. 5: 331. 1887. 
Pileus thin, convex, deeply umbilicate, 12-20 mm. broad; surface glabrous, hygrophanous, 
dull-orange and striatulate when moist, paler when dry: lamellae rather crowded, arcuate, 
strongly decurrent, white, the interspaces venose: spores ellipsoid, 7.5 X 5 yu: stipe equal, 
glabrous, colored nearly like the pileus, hollow, 2.5-5 cm. long, scarcely 2 mm. thick. 
TYPE LOCALITY: Greig,{New York. 
Hasrtar: On burnt, mossy ground in a pasture. 
DistriBurion: Known only from the type locality. 
