182 . Cincinnati Society of Natural History. 
first white or yellow. Its external appearance is almost that of Z. 
ceraceus. | 
Gernvs VII.—Lacrartus, Fr. 
Hymenophore contiguous with the stipe. Lamelle unequal, mem- 
branaceous-waxy, rather rigid, containing a milky juice, the edge 
acute. Spores globose, white or sometimes yellowish. Fungi terres- 
trial. 
A, Lamelle unchanged, milk at first white. 
a. Pileus tomentose, 1, 2. 
6. Pileus viscid, 3-5. 
c. Pileus dry, 6-8. 
B. Milk colored from the first, 9. 
C, Lamelle changing color, milk at first white. 
d. Pileus viscid, 10, 11. 
e. Pileus tomentose, 12. 
Jf. Pileus dry, glabrous, 13-15. 
A, Lamelle not changing color, milk white. 
a. Pileus viscid when wet, the margin at first involute and tomentose. 
1. L. scropicuLatus, Scop. Pileus fleshy, depressed, not zonate, 
luteous; the margin involute, bearded. Stipe hollow, ampie, scrobi- 
culate-spotted. Lamell thin, close, whitish; milk white changing to 
sulphur. : 
In moist woods. Pileus 3-5 in. broad, stipe 2-3 in. high, and about 
lin. thick. This species is readily recognized by its spotted stipe and 
the milk of the lamelle promptly assuming a sulphur hue. 
2. L. criiciorpes, Fr.—Pileus fleshy, soft, depressed, tomentose, not 
zonate, reddish-buff; the margin fibrillose-woolly. Stipe stuffed, even 
pruinose, silky, not spotted, pallid. Lamelle close, somewhat branched, 
pallid; milk acrid, whitish. 
In woods. Pileus 2-4 in. broad, stipe 14-2 in. high, and 4-1 in. thick. 
The pileus is downy becoming fibrillose on the margin; the flesh is 
yellowish-white; the milk is sparse with a yellowish tinge. 
6. Pileus viscid when wet, pelliculose, the margin naked. 
3. L. Arrinis, Peck.—Pileus fleshy, viscid, glabrous, depressed, pale 
ochraceous-yellow. Stipe equal, smooth, stuffed then hollow, con- 
colorous. Lamelle close, some of them forked, yellowish-white; the 
milk white acrid. Spores white. 
In woods and pastures. Pileus 3-4 in. broad, stipe about 2 in. long, 
