Denniston—Russulas of Madison and Vicinity. 
81 
Characters 
on which 
identification 
is made. 
f Pileus. 
| Stem: 
^ rubbed. 
Gills: 
l Taste: 
varicolored, dark purple prevailing, 
never reddish. Becoming brown where 
powdered when mature, 
never peppery. 
Characters 
of dried 
specimens. 
f Pileus: usually showing different colors at margin 
| and disk, dark purple, livid, greenish, yellowish 
j or wine; cracking at margin. 
] Gills: isabellinus, wrinkled and folded. 
| Stem: plump or shrunken; straw colored with 
[ brownish spots. 
Habitat. Largest specimens grow on ground in nilly oak woods. 
Locality. Madison (Eagle Heights), Devils Lake, Burlington, 
Blue Mounds. 
Edibility. Of good flavor when fresh. (Mcl.) 
R. lactea Fr. 
Pileus: convex, explanate, gibbous or depressed, rigid, surface 
pruinose then cracked, no separable pellicle; color, stramin- 
eus, yellow or pinkish yellow. Margin, even, rounded. 
10-19 cm.; flesh, white, bitter; cheesy odor. 
Gills: free, equal or slightly forked, broad, solid, subdistant, 
interveined, rounded anteriorly, white to straw. 
Stem: cylindrical or larger at top; solid, white, 2.5-6 cm. long; 
1-2 cm. thick. August. 
Spores: globose, minutely echinulate, 9/x. 
Characters f Pileus: rigid, yellowish, incurved, 
on which j Stem: solid, 
identification j Gills: thick, straw color, 
is based. [ Taste: somewhat bitter. 
Characters 
of dried 
specimens. 
T Pileus, yellowish or brownish, retaining shape, 
j Margin, incurved. 
| Gills: thick, narrow near stem, rounded anteriorly. 
L Stem: longitudinally wrinkled, smaller at base. 
Habitat. On ground, not common, in oak woods. 
Locality. Blue Mounds, Madison. 
Edibility. Edible and of good flavor. (Mcl.) 
