North American Flora: Agaricales, Agaricaceae (Vol. 10 ... - MykoWeb

60 NORTH AMERICAN FLORA [VOLUME 10
cose, slightly eroded, becoming brownish on drying; spores subellipsoid, obliquely appendicu-
late, smooth, hyaline, 12-15X5-6/*; stipe pale-brown, adorned with floccose, chestnut-brown
scales below the point of attachment of the veil to the stipe, about 4 cm. long and 2.5 mm.
thick.
TYPE LOCALITY: Ithaca, New York.
HABITAT: On the ground in low woods.
DISTRIBUTION: New York.
72. Lepiota acerina Peck, Ann. Rep. N. Y. State Mus. 51: 283.
1898.
Pileus convex, subumbonate, 1.5-2.5 cm. broad; surface dry, floccose-squamulose, pale-
tawny or subalutaceous, brownish on the umbo; lamellae free, crowded, thin, pallid, pruinose
when dry; spores oblong or narrowly ellipsoid, very blunt or subtruncate at one end, smooth,
hyaline, 8-11X4•5 ¡x; stipe equal, concolorous, floccose-squamulose below, stuffed or hollow,
2.5-4 cm. long, 4 mm. thick; annulus obsolete.
TYPE LOCALITY : North Elba, New York.
HABITAT : Prostrate mossy trunks of sugar maple.
DISTRIBUTION : Known only from the type locality.
73. Lepiota sublilacea Peck, Bull. Torrey Club 24: 139. 1897.
Pileus thin, convex, obtuse or umbonate, 1.2-2.5 cm. broad; surface dry, floccose-squamu-
lose, brownish tinged with lilac; context white; lamellae free, subdistant, rather broad, whitish;
spores oblong-ellipsoid, smooth, hyaline, usually uninucleate, 10X5 yu; stipe short, concolorous
below, paler at the apex, solid, 1.2-2.5 cm. long, 2-4 mm. thick; annulus slight, evanescent.
TYPE LOCALITY: Kansas.
HABITAT: On bare ground in pastures.
DISTRIBUTION : Known only from the type locality.
74. Lepiota floralis (Berk. & Rav.) Sacc. Syll. Fung. 5: 51. 1887.
Agaricus (Lepiota) floralis Berk. & Rav. Ann. Mag. Nat. Hist. II. 12: 418. 1853.
Pileus becoming plane, 1.3-2 cm. broad; surface adorned with brown, floccose scales,
margin striate; lamellae free, distant, thin, ventricose, white; spores oblong, smooth, hyaline;
10-13X4-5 p; stipe slender, attenuate below, concolorous, 0.5-2.5 cm. long, 1 mm. thick,
annulus membranous, persistent.
TYPE LOCALITY: South Carolina.
HABITAT: Cultivated grounds.
DISTRIBUTION: New Jersey, North Carolina, and South Carolina.
EXSICCATI: Rav. Fungi Am. 401; Ellis & Ev. N. Am. Fungi. 2002.
75. Lepiota gracilis Peck, Bull. Torrey Club 26: 63. 1899.
Pileus thin, convex or bell-shaped, somewhat umbonate, 0.5-1 cm. broad; surface white,
the center and the scales formed from the rupturing cuticle blackish-brown; lamellae free,
ventricose, crowded, whitish; spores broadly ellipsoid, 6-7 X4 yu; stipe long, slender, floccose or
fibrillose, blackish-brown, 2.5 cm. long, scarcely more than 1 mm. thick; annulus membranous,
persistent, conspicuous, blackish-brown on the lower surface.
TYPE LOCALITY: Ehnsdale, Canada.
HABITAT: Black humus in woods.
DISTRIBUTION : Canada and Michigan.
76. Lepiota subfelina Murrill, Mycologia 4: 234. 1912.
Pileus thin, convex to expanded, distinctly umbonate, solitary, about 2 cm. broad; surface
dry, white, densely covered with small, latericious, imbricate scales, the umbo bay, with stri-
gose-tomentose covering; lamellae free, rather broad, plane, close, white; spores oblong-
ellipsoid, smooth, hyaline, 8X4 it ; stipe very slender, slightly tapering upward, white and finely
fibrillose above, avellaneous with a rosy tint below, and decorated with latericious fragments'