The Mycologic Flora of the Miami Valley, O. 185 
obtuse, dry, glabrous, golden-tawny, at length rimose-rivulose. Stipe 
solid, hard, thick, pruinose. Lamelle decurrent, close, white then 
yellowish; milk abundant, sweet, white. 
In woods, common. Pileus 3-4 in. broad, stipe 24-33 in. long. Stipe 
irregular, tapering downward; milk sometimes yellowish; lamelle be- 
coming brownish on being bruised. 
14, L. susputcrs, Bull.—Pileus fleshy, thin, papillate, at length de- 
pressed, even, glabrous, not zonate, dry, reddish. Stipe stuffed then 
hollow, equal, somewhat pruinate, reddish. Lamelle adnate, close, 
paler; milk white, rather mild. 
In woods, common. Pileus 2-4 in. broad. stipe 14-23 in. long, The 
whole plant is commonly a dark reddish color. 
15. L. caLcEoLus, Berk.—Pileus thin, depressed, brown-buff, the 
margin repand, the epidermis rimose. Stipe short concolorous. Lam- 
ella very few, distant, venose-connected, decurrent, white; milk white, 
mild. . 
“ On the ground in woods, Waynesville,’ Lea. Pileus about 3 in. 
across, stipe “half an inch in height and thickness.” Flesh white. 
An exceedingly curious species. The pilei in all the specimens found 
by Mr. Lea were “ laterally confluent,”’ 
Genus VIII.—Russutra, Pers. 
Hymenophore descending unchanged into the vesiculose trama. 
Lamelle rigid, fragile, the edge acute. Spores round, often echinulate, 
white or yellowish. Fungi terrestrial. 
A. Margin of the pileus not striate. 
a. Lamelle forked, 1, 2. 
6. Lamelle mixed, 3-5. 
B. Margin of the pileus at length striate. 
ce. Lamelle unequal, 6, 7. 
d. Lameilee equal, 8-10. 
A. Pileus compact, firm, the margin never striate. 
a. Lamelle mostly forked, 
1. R. rurcata, Pers.—Mild, at length bitter. Pileus fleshy, rigid, 
gibbous plane then depressed and infundibuliform, even, with a silky 
luster, then becoming glabrous; the margin even, acute. Stipe 
stout, firm, even, tapering downward, white. Lamelle adnate- 
decurrent, rather thick, somewhat distant, forked, white. 
In woods, common. Pileus 4-5 in. in diameter, the stipe 3-4 in. 
