Parr 3, 1910] AGARICACEAE 193 
latex white, unchanging, slowly acrid; lamellae white, becoming cream-colored to honey- 
yellow, and pruinose, seldom forking, close, adnate to slightly decurrent, broader than 
the thickness of the pileus; stipe of the same color as the pileus or paler, nearly equal, 
dry, glabrous except at the base, which is sometimes pubescent, stuffed, then hollow, 1.5-6 
cm. long, 3-6 mm. thick: spores white, broadly elliptic, echinulate, 6-7 & 8-9.5 1. 
TYPE LOCALITY : New York. 
HABITAT: In moist, mossy places in either coniferous or deciduous woods, on the ground or 
on decaying logs. 
DISTRIBUTION : New England, New York, and North Carolina. 
ILLUSTRATION: Mem. Torrey Club 14: 80. St. U4. 
Exsiccati: Burl. Lact. N. Am. 32. 
52. Lactaria Bensleyae Burl. Bull. Torrey Club 34: 87. 1907. 
Pileus fleshy, nearly flat, papillate, at length depressed in the center, 2-15 mm. broad; 
surface blue-black when young and moist, then zoned with slate-gray, and finally with 
snuff-brown toward the margin, the center remaining nearly black, dry, covered with a 
dense, minute, short, rather stiff pubescence; margin involute at first, and remaining 
recurved . context firm, gray in the pileus, buff in the stipe; latex white, unchanging, 
acrid ; lamellae whitish, some forking near the stipe, close, slightly decurrent, 1 mm. wide 
or equal to the thickness of the pileus ; stipe somewhat buff or putty-colored, covered more 
or less with a gray pruinosity, nearly equal, dry, glabrous, becoming hollow, 1 cm. or less 
in length, 2-3 mm. thick: spores slightly cream-colored, mostly globose, some slightly 
elliptic, echinulate, 5-6.5 4, or rarely 6.5-8 « in diameter. 
TYPE LOCALITY : Newfane, Vermont. 
HABITAT: In black moist soil, under yellow birch and spruce trees. 
DISTRIBUTION: Vermont. 
ExsiccaTi: Burl. Lact. N. Am. 23. 
53. Lactaria glyciosma Fries, Epicr. Myc. 348. 1838. 
Agaricus glyciosmus Fries, Obs. Myc. 2: 194. 1818. 
Pileus fleshy, thin, convex, then expanding, umbonate, at length depressed, often 
without an umbo, 2-5 cm. broad ; surface varying from gray to neutral gray, reddish-salmon 
or rosy-white, usually azonate, dry, minutely tomentose to unpolished ; margin involute, 
then spreading, and often striate: context lax, fragile, white, aromatic; latex white, 
unchanging, slowly acrid; lamellae straw-colored, then ochraceous, close, slightly decur- 
rent, 2 mm. broad ; stipe of the same color as the pileus or paler and more yellowish, nearly 
equal, dry, glabrous or minutely downy, stuffed, becoming hollow, 2-5 cm. long, 4-8 mm. 
thick: spores white, globose to broadly elliptic, echinulate, 6-7 * 6-8 #. 
TYPE LOCALITY: Sweden. 
HaBsitat : In mixed woods, on the ground or on decaying wood. 
DISTRIBUTION : Vermont, Massachusetts, New York, and Missouri. 
ILLUSTRATIONS : Cooke, Brit. Fungi pl. 1011 ; Fries, Ic. Hymen. f/. 170, f. 3. 
ExsiIccaTI: Burl. Lact. N. Am. 34; Herpell, Prip. Hutpilze 47; P. Karst, Fungi Fenn, 307. 
54. Lactaria Hibbardae Peck, Jour. Myc. 14: 2. 1908. 
Pileus fleshy, broadly convex or nearly plane, with or without an umbo, 1.5-5 cm. 
broad ; surface grayish-brown tinged with pink, or a mixture of brownish-drab and mouse- 
color, sometimes zoned, dry, minutely tomentose or pubescent; margin involute for some 
time, often flexuous: context firm, whitish, usually having when rubbed a faint odor like 
that of Lactaria glyciosma ; Jatex white, unchanging, acrid; lamellae cream-colored, some 
forking near the stipe, close, adnate, varying from thin to thick, rather narrow; stipe 
paler than the pilens, tinged with gray or pinkish-yellow, nearly equal, glabrous below, 
very minutely whitish-tomentose at the apex, stuffed, 2.5-6 cm. long, 3-12 mm. thick: 
spores white, globose, minutely echinulalate, 6-8 in diameter, or smaller. 
TYPE LOCALITY: Massachusetts. 
HApItTaT: On the ground under pine or spruce and fir trees. 
DISTRIBUTION : Vermont and Massachusetts. 
ExsiccaT1I: Burl. Lact. N. Am. 3. 
