Denniston—Russulas of Madison and Vicinity. 
83 
f Pileus: umber or blackish, margin wavy. In- 
Characters ! curved. 
of dried ] Gills. d ar fc ? reddish where bruised, 
specimens, ^gtem: umber or blackish. 
Habitat. On ground in woods. 
Locality. Madison. 
Edibility. Edible, but not equal to most Russulas. (Mcl.) 
R. ochracea Fr. 
Pileus: flat to convex, fulvus: darker at center. Margin, irreg¬ 
ular, thin, cracked, striate incurved; surface, rough, scaly. 
Size, 4-9 cm. Taste, mild; odor, none. 
Gills: free, subcrowded, broad, straight, equal, interveined, 
white. 
Stem: 2-2.5 cm. long, 1-2 cm. thick, tapering upwards or ven- 
tricose, surface, smooth, stramineus, hollow. July. 
Spores: 6x6^, 6x7. 5jjl, echinulate, elliptical or globose. 
Characters f Pileus: fulvus, dark at center, striate, thin. 
on which j Gills: free, subcrowded, white. 
identification • Stem: short, thick. 
is made. [ No odor or . taste. 
Characters | GiUg; 
ofdrled Stem: 
specimens. odor; 
fulvus, roughened and dirty, striate, 
wrinkled and wavy, isabellinus. 
short and hollow, 
mealy. 
Habitat. Hilly woods on ground. 
Locality. Madison (Edgewood). 
Edibility. Probably edible. 
R. ochrophylla Pk. 
Pileus: convex, explanate or depressed; margin, even or 
slightly striate, 6-10 cm.; atropurpureus, reddish under the 
separable pellicle. Flesh, white. Taste, mild. 
Gills: equal, broad, adnat'e, subdistant interveined, yellowish 
then bright ochraceous; dusted by spores. 
