196 NORTH AMERICAN FLORA [VoLUME 9 
dry, glabrous, smooth or at length rimose-rivulose ; margin involute at first, then extended : 
context firm, thick, whitish, changing brown where exposed tothe air, having a strong per- 
sisting odor, edible; latex white, unchanging, mild, sticky, abundant ; lamellae creamy- 
white, or tinged with the same color as the pileus, becoming darker with age, changing 
brownish where injured, often forking 2 or 3 mm. from the stipe or midway to the margin, 
close, adnate, 2-5 mm. broad; stipe of nearly the same color as the pileus but paler, nearly 
equal, glabrous, pruinose, solid, sometimes becoming hollow, 2-10 cm. long, 1-2 cm. thick : 
spores white, globular, echinulate, 7-10 in diameter; cystidia 20-35 » long, colorless or 
yellowish. 
TYPE LOCALITY: Sweden. . 
Hasitat: In woods or groves, especially in the vicinity of oaks. _ . 
DISTRIBUTION: Eastern United States from Maine to Mississippi, and west to Indiana and 
Missouri; also in Europe. ‘ 
ILLUSTRATIONS: Barla, Champ. Nice p/. 20, f. 1-3; Bel, Champ. Tarn. p/. 2? ; Boyer, Champ. 
pl. 31; Bres. Funghi Mang. pl. 66, Britz. Hymen. Siidb. Lact. £6; Cooke, Brit. Fungi pl. 999; 
Cordier, Champ. Fr. 1. 26, 7.2; Ellrodt, Schwamm-Pomona p/. 6, f. 1, 2, 3, Fries, Sv. Aetl. 
Svamp. p/. 10; Gill. Champ. Fr. pl. 170 (402) (form); Hahn, Pilz-Samml. ed. 2. pl. 4, f. 14; Hus- 
sey, Ill. Brit. Myc. 1: pl. 87; Lucand, Champ. Fr. fl. 145, Ann. Rep. N. Y. State Mus. 48: pi. 
30; Pat. Tab. Fung. p/. 327; Bull. Soc. Myc. Fr. 7: pl. 2, 7.1; Roum. Crypt. Ul. Champ. p/. 142; 
Schaeff. Fung. Bav. 61.5; Venturi, Studi Micol. p/.6, /. 42-48, Bull. Conn. Geol. Nat. Hist. 
Surv. 3: p/. 10. 
Exsiccatr: Burl. Lact. N. Am, 40; Herpell, Prip. Hutpilze 74; Roum. Fungi Sel. 5223; 
Sydow, Myc. Mar. 608; Thiim. Fungi Austr. 822. 
62. Lactaria ichorata (Batsch) Fries, Epicr. Myc. 345. 1838. 
Agaricus ichoratus Batsch, Elench. Fung. Contin. 1: 38. 1786. 
Pileus fleshy, rather thin but opaque, plane to depressed in the center, 5-8 cm. broad ; 
surface fulvous, sometimes brown in the center, zoned with testaceous, dry, glabrous, 
smooth; margin incurved, then spreading: context firm, then lax, pallid, becoming sordid- 
fuscous when exposed to the air; latex white, mild or sometimes astringent ; lamellae white, 
then ochraceous, often forked toward the outer end, rather close, adnate, not very broad ; 
stipe of the same color as the pileus or more yellowish, dry, glabrous, spongy-stuffed, 
eccentric, 5-8 cm. long: spores 6-7 X 8-10 pH. 
TYPE LOCALITY: Jena, Germany. 
HABITAT: On the ground in woods. 
DISTRIBUTION : Ohio; also in Europe. 
ILLUSTRATIONS: Batsch, Elench. Fung. f/. 13, f. 60, uw, 6 ; Cooke, Brit. Fungi p/. 1000. 
63. Lactaria hygrophoroides Berk. & Curt. Ann. Mag. Nat. 
Hist. ITI. 4: 293. 1859. 
Lactaria distans Peck, Ann. Rep. N. Y. State Cab. 23: 117. 1872. 
Pileus fleshy, convex, then plane, depressed in the center, sometimes becoming infun- 
dibuliform, 4-10 cm. broad; surface yellowish-buff, bistre, or fulvous, azonate, dry, very 
minutely pruinose-velvety, appearing as though pulverulent, sometimes rugose, sometimes 
rimose-areolate ; margin involute, then spreading or uplifted: context firm, whitish, odor- 
less, edible; latex white, unchanging, not staining the flesh or lamellae brownish, mild ; 
lamellae whitish to cream-colored or yellowish-buff, not discoloring where injured, not fork- 
ing, distant, sometimes connected by rugose elevations, adnate to slightly decurrent, about 
3 mm. broad; stipe of the same color as the pileus, nearly equal, glabrous, sometimes 
pruinose, stuffed and firm, 2-5 cm. long, 0.5-1.5 cm. thick: spores white, globose to 
broadly elliptic, minutely echinulate, 8-10 « in diameter. 
TYPE LOCALITY: Maine. 
HaBITAT: Mixed woods, — 
__ DISTRIBUTION: From Maine to the District of Columbia, and in Indiana, Missouri, and Mis- 
sissippi. 
ILLUSTRATION: Mem. N. Y. State Mus. 3: £1. 53, f. 7-11. 
EXSICCATI: Burl. Lact. N. Am. 42. 
