Part 3, 1910] AGARICACEAE 197 
64. Lactaria corrugis Peck, Ann. Rep. N. Y. State 
Mus. 32: 31. 1880. 
Pileus fleshy, thick, convex, then depressed in the center, 7-12 cm. broad ; surface vary- 
ing in color from Vandyke-brown in the center, to mineral-brown at the margin, sometimes 
approaching more nearly dead-leaf-colored, azonate, dry, minutely velvety, and appearing as 
though covered with a bloom, more or less corrugated; margin involute at first, then arched 
or spreading: context firm, white, having only a slight odor, edible; latex white, unchang- 
ing, mild or slightly astringent, abundant; lamellae cinnamon when young, paler when 
mature or tinted with honey-yellow, becoming fulvous-brown where injured or when dried, 
sometimes forking, close, adnate to slightly decurrent ; stipe tinted with dead-leaf-color, paler 
than the pileus, nearly equal, dry, pruinose in the upper portion, minutely pubescent at 
the base, firm, solid, 6-7 cm. long, 2-2.5 cm. thick: spores white, globose, echinulate, 
9-12 w in diameter. 
TYPE LOCALITY: New York. 
HaBITAT: Moist woods, especially in oak-chestnut-maple woods. 
DISTRIBUTION: New York to Mississippi and Missouri. 
ILLUSTRATION: Atk. Stud. Am. Fungi f/. 725. 
Exsiccatr: Burl. Lact. N. Am. #2. 
65. Lactaria luteola Peck, Bull. Torrey Club 23: 412. 1896. 
Lactaria foetida Peck, Bull. N. Y. State Mus. 54: 949. 1902. 
Pileus fleshy, broadly convex or nearly plane, somewhat depressed in the center, 5-8 
cm. broad; surface whitish to yellowish-buff, azonate or sometimes with a depressed zone 
near the margin, dry, minutely pruinose-velvety, sometimes slightly rugose; margin invo- 
‘lute at first, then arched or spreading: context firm, whitish, staining brown where injured ; 
latex white, staining the flesh and lamellae brown, mild, abundant; lamellae white, then 
yellowish, becoming brown where injured, some forking near the stipe, close, adnate, or 
slightly decurrent, narrow; stipe of the same color as the pileus, nearly equal, dry, some- 
what pruinose-velvety, stuffed, 2-6.5 cm. long, 6-12 mm. thick: spores white, subglobose, 
echinulate, 7.5-8 » in diameter. 
TYPE LOCALITY : Massachusetts. 
HABITAT: Mixed woods, among fallen leaves, in dry or fairly moist soil. 
_ DISTRIBUTION: Massachusetts, Connecticut, New York, Ohio, Missouri, Tennessee, and 
Mississippi. 
ILLUSTRATION: Bull. N. Y. State Mus. 67: p/. 83, f. 7~L1. 
ExsiccaTi: Burl. Lact. N. Am. 50. 
66. Lactaria subvelutina Peck, Bull. N. Y. State 
Mus. 75: 18. 1904. 
Pileus fleshy, convex, then nearly flat, depressed in the center, 2.5-5 cm. broad; surface 
golden-fulvous, dry, minutely velvety, appearing pruinose to the naked eye, sometimes 
wrinkled ; margin inrolled, then spreading, even, or sometimes wavy: context firm, white, 
not staining brown; latex white, unchanging, mild; lamellae cream-colored, becoming 
darker with age, not staining brown where injured, a few forking, close, adnate to slightly 
decurrent, narrow; stipe of the same color as the pileus or paler, equal, somewhat velvety, 
smooth, solid, 1-2 cm. long, 4-8 mm. thick: spores white, subglobose, nearly smooth 
(minutely and sparsely papillate), 6.5-8 w in diameter. 
TYPE LocaLity: New York. 
HaBiTaT: Open places in or near woods. : 
DISTRIBUTION: New York, Ohio, and Missouri. 
XVIII. Camphoratae. Pileus rather small, the margin inrolled at first and naked ; 
surface reddish-brown, fulvous or tawny, usually smooth and polished, but in some species 
