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RUSSULA
slightly tuberculate-striate in age. flesh thick on the disk, becoming thin at the
margin, white or greenish, ashy under the pellicle, mild, lamellae narrowly
adnate to nearly free, close to subdistant, narrow, equal or with a few short
ones, white, becoming cream colored, stipe 1 )/2-2 in. long, i4-J/2 in. thick,
nearly equal or slightly tapering downward, glabrous, white, firm to spongy-
stuffed. SPORES creamy white, subglobose, 7-9 X 5.5-7 m, ornamented with
rather low, mostly separate warts and a few fine lines.
Gregarious or solitary on the ground in coniferous or mixed woods.
July-Sept.
The green color, mild taste and creamy white spore deposit are the
important field characters of this species. It is somewhat viscid when wet but is
soon dry and more or less pruinose to minutely velvety. R. virescens Fr. is a
green species with white spores and mild taste and the cuticle tending to
become cracked on the margin. R. olivascens Fr. has yellow spores.
RUSSULA ALUTACEA (Pers. ex Schw.) Fr. Edible
Figures 86, 87, page 47
PILEUS 3-6 in. broad, firm, convex, becoming depressed, dull red or dark
reddish purple, sometimes fading to greenish, glabrous, viscid when wet,
pellicle somewhat separable, margin even at first, becoming tuberculate-
striate. FLESH firm, white, mild, lamellae rounded behind, adnexed, nearly
free, subdistant, fairly broad, ochraceous to tan colored, equal, stipe 2-4 in.
long, Yi-l )4 in. thick, equal or nearly so, glabrous, white or tinged reddish,
solid. SPORES ochraceous yellow, broadly ellipsoid to subglobose (7) 8-10
(11) X (6) 7-9 M, ornamented with rather prominent separate warts and spines.
Usually sohtary on the ground in frondose or mixed woods. Aug.-Sept.
This is one of the species about which authors do not agree concerning
its identity. The name is used here for a medium to large, dull-reddish or
purphsh species usually with more or less red on the stipe, a mild taste, and
ochraceous spore deposit.
RUSSULA AURANTIOLUTEA Kauffm. Doubtful
Figures 88, 89, page 47
PILEUS 2-4 in. broad, thin, fragile, at first convex, becoming plane to
slightly depressed, yellowish in the center to more orange on the margin,
glabrous, viscid, peUicle separable to the disk, margin even, becoming slightly
tuberculate-striate. flesh white, yellowish under the pellicle, acrid, lamellae
narrowly adnate, close to subdistant, broad in front becoming narrower
toward the stipe, yellow, often forked near the base, stipe 1 )/2-4 in. long,
Va-Va
in. thick, equal or nearly so, glabrous, white, spongy-stuffed, spores
ochraceous yellow, subglobose, (6) 7-8 (9) X 5.5-7.5 /x, ornamented with
warts joined by heavy bands.
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