92 NORTH AMERICAN FLORA [VorumME 10 
25. Leptoniella hortensis (Peck) Murrill. 
Leptonia hortensis Peck, Bull. N. Y. State Mus. 67: 26. 1903. 
Pileus thin, convex, umbilicate, 1-2 cm. broad; surface hygrophanous, reddish-brown and 
striatulate when moist, paler and silky when dry; lamellae thin, crowded, adnexed, whitish 
when young, pinkish when mature; spores angular, uninucleate, 7.5-10 X 7.5 u; stipe short, 
thin, glabrous, hollow, concolorous, 1.5-2.5 cm. long, about 2 mm. thick. 
Type LocaLIty: Menands, New York. 
Hasrrat: On naked ground in gardens. : 
DISTRIBUTION: Known only from the type locality. 
26. Leptoniella gracilipes (Peck) Murrill. 
Leptonia gracilipes Peck, Mycologia 5: 69. 1913. 
Pileus thin, membranous, hemispheric-convex or nearly plane, minutely papillate, be- 
coming umbilicate, 1-2 em. broad; surface subscabrous, hygrophanous, striatulate when moist, 
striate when dry, blackish-brown when young, becoming paler with age; lamellae ascending 
or arcuate, adnexed, white at first, then pale-flesh-colored; spores incarnate, angular, uninu- 
cleate, apiculate, 8-10 X 6-7 w; stipe equal or slightly tapering upward, slender, hollow, gla- 
brous, mouse-gray, becoming blackish on drying, often with white mycelium at the base, 
2-4 cm. long, 1-1.5 mm. thick. 
Type Locality: Stow, Massachusetts. 
Hasrirat: In a wood road. 
DISTRIBUTION: Known only from the type locality. 
27. Leptoniella seticeps (Atk.) Murrill. 
Lepionia seticeps Atk. Jour. Myc. 8: 116. 1902, 
Pileus convex to expanded, gregarious, 1-3 cm. broad; surface walnut-brown, darker at 
the center, faintly and finely striate, minutely granulose under a lens, margin somewhat 
incurved at first; context whitish, very thin, the taste not characteristic; lamellae slightly 
adnexed, about 4mm. broad, elliptic, pale-flesh-colored, eroded on the edges; spores ovoid or 
subglobose, very pale flesh-colored; stipe smooth, whitish at the base, somewhat paler than 
the pileus at the apex, fibrous-striate, straight or curved, fleshy, solid, even or very slightly 
enlarged below, 1-2 cm. long, 2-3 mm. thick. 
TYPE LOCALITY: McGowan’s woods, Ithaca, New York. 
Hapirat: On rotten logs or very rotten wood on the ground. 
DisTRIBUTION: Known only from the type locality. 
28. Leptoniella Davisiana (Peck) Murrill. 
Leptonia Davisiana Peck, Bull. N. Y. State Mus. 157: 49, 1912. 
Pileus thin, fragile, submembranous, convex, becoming plane or broadly depressed, 1-2.5 
cm. broad; surface glabrous but slightly squamulose at the center, often widely striate when 
dry, blackish-brown; lamellae thin, crowded, subventricose, adnexed, at first white, becoming 
pinkish and pulverulent from the spores, which are angular, uninucleate, 10-12 X 8-10 u; 
stipe slender, equal, glabrous, stuffed or hollow, concolorous, 1.5-3 em. long, 1-2 mm. thick. 
TYPE LOCALITY: Brookline, Massachusetts. 
Hasitat: Among short grass on a lawn. 
DISTRIBUTION: Known only from the type locality. 
29. Leptoniella semiglobata Murrilt, Sp. nov. 
Pileus hemispheric, not expanding, gregarious or slightly cespitose, 2-3 cm. broad: surface 
slightly viscid when moist, grayish-brown with darker brown squamules, margin entire con- 
colorous, incurved; context with slightly nutty taste; lamellae adnate, subdistant inserted 
broad, whitish to salmon-colored, uneven and concolorous on the edges; spores broadly ellip- 
soid, angular, obliquely apiculate, rose-colored, 8-10.5 X 7 #; stipe cylindric, equal, hollow 
cartilaginous, smooth, glabrous, yellowish-gray, much paler than the aileas 7-8 oni lon 
2-3 mm. thick. z 
T llected i : 
Hee sae ns . fee pet Ga wood in woods at Bar Harbor, Maine, August 9, 1901, V. S. 
DISTRIBUTION: Known only from the type locality. 
