Part 3, 1910] AGARICACEAE 185 
times bitter; lamellae white to cream, quickly changing to lilac then violet when wounded, 
sometimes a few forking next the stipe, close, thin, of various lengths, adnate to slightly 
decurrent, up to5 mm. broad; stipe white to cream, not spotted or only obscurely so, 
equal or tapering upwards, a little viscid when moist, glabrous, sometimes tomentose at 
the base, stuffed becoming hollow, 4-8 cm. long, 6-12 mm. thick: spores white, elliptic, 
echinulate, 7 < 8-12 yu, 
TYPE LOCALITY: Jena, Germany. 
HABITAT: On the ground in woods, in moist places. 
DISTRIBUTION: Eastern United States from Maine to Maryland; also in Europe. 
ILLUSTRATIONS: Batsch, Elench. Fung. p/. 36, f. 202; G. Bernard, Champ. Rochelle pl. 37, f. 
1; Britz. Hymen. Sitidb. Lact. J. 16; Cooke, Brit. Fungi pi. 991; Gill. Champ. Fr. pl. 48 (157 ; 399) 5 
Pat, Tab. Fung. £1. 209. 
Exsiccati: Burl. Lact. N. Am. 14. 
28. Lactaria maculata Peck, Ann. Rep. N. Y. State 
Mus. 41: 74. 1888. 
Pileus fleshy, convex-umbilicate, then depressed in the center or at length infundibuli- 
form, 7.5-12.5 cm. broad; surface gray to lilac-gray, distinctly zoned with concentrically 
arranged darker spots, viscid, glabrous; margin involute, naked then spreading: context 
firm, grayish become lilac where wounded ; latex creamy-white, becoming lilac, acrid and 
unpleasant ; lamellae whitish or cream-colored, sometimes forking, close, adnate to decur- 
rent; stipe of the same color as the pileus or paler, spotted, equal or tapering downwards, 
glabrous, hollow, 2.5-5 cm. long, 10-16 mm. thick: spores subglobose, echinulate, 10-12.5 « 
in diameter. 
TYPE LOCALITY: New York. 
HABITAT: Open woods and pastures. 
DISTRIBUTION: Vermont and New York. 
IX. Croceae. Pileus rather broad; margin involute at first and covered with a very 
short tomentum, soon naked ; surface some shade of yellow, zonate, very viscid when young 
or wet: context rather compact ; latex white, changing to yellow, acrid; lamellae becoming 
darker and more or less pruinose with age. 
29. Lactaria crocea Burl. Mem. Torrey Club 14: 37. 1908. 
Pileus fleshy, broadly convex-umbilicate, then spreading, depressed in the center, 5-10 
cm. broad; surface saffron-yellow to orange-cadmium, subzonate, expallent, very viscid 
when moist, glabrous ; margin involute, then expanding, pruinose-downy at first, then gla- 
brous : context brittle, whitish, staining yellow-cadmium where cut, odorless; latex white, 
slowly becoming yellow-cadmium, acrid ; lamellae pallid, then honey-yellow, and at length 
yellowish-buff, becoming cadmium where cut or bruised, seldom forking, not close, adnate, 
5-6 mm. broad; stipe of the same color as the pileus but paler, spotted, equal, glabrous or 
sometimes tomentose at the extreme base, stuffed, becoming hollow, stout, 5 cm. long, up 
to 16 mm. thick : spores yellowish, broadly elliptic, echinulate, 7 x 8-8.5 4. 
TYPE LOCALITY: Pisgah Forest, North Carolina. 
HABITAT: In oak and chestnut woods, growing from vegetable mold and dead leaves. 
DISTRIBUTION: North Carolina and Virginia. 
ILLUSTRATION: Mem. Torrey Club 14: 38. f. 3. 
ExsiccaTi: Burl. Lact. N. Am. 9. 
30. Lactaria delicata Burl. Mem. Torrey Club 14: 40. 1908. 
Pileus fleshy, convex-umbilicate, at length nearly infundibuliform, 8-12 cm. broad; 
surface maize-yellow, tinted in the center with yellowish-salmon, faintly but decidedly 
zonate, viscid and covered with gluten when wet, glabrous; margin involute at first and cov- 
ered with coarse short tomentum, then merely deflexed and glabrous: context firm, white, 
with strong odor; latex white, becoming sulfur-yellow, acrid, scanty; lamellae whitish, 
becoming maize-yellow with age, some forking near the stem, close, slightly decurrent, 5~7 
mm. broad; stipe maize-yellow tinted with yellowish-salmon, more or less scrobiculate, 
spotted with the same color as the rest of the stem or duller, equal or tapering downwards, 
