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RUSSULA<br />
Solitary or gregarious on the ground. Said to be associated with hemlocks.<br />
July-Aug.<br />
Because of the pronounced blackening of the flesh this is an unattractive<br />
species but it is reported to be edible. It is distinguished from R. densifolia and<br />
R. nigricans by the direct change of the wounded flesh to black without any<br />
reddening.<br />
R. sordida appears to be very close to R. albonigra (Krombh.) Fr. of<br />
Europe and may be the same species.<br />
RUSSULA TENUICEPS Kauff'm. Not edible<br />
Figure 122, page 69<br />
PILEUS 2 1/2-4 J/2 in. broad, fragile, convex, becoming plane to sHghtly<br />
depressed, rosy red to blood-red, sometimes uniformly colored, usually whitish<br />
spotted or with orange blotches, viscid, glabrous, sometimes with minute<br />
wrinkles, pellicle separable, margin striate, flesh white, red under the pellicle,<br />
very fragile in mature plants, acrid, sometimes slowly, lamellae adnexed to<br />
free, close to crowded, narrow, white, becoming yellow-ochraceous. stipe<br />
2-3 1/2 in. long, %-l in. thick, nearly equal or ventricose, smooth or marked<br />
with fine Hnes, white or rosy tinged, spongy-stuff'ed. spores yellow-ochraceous,<br />
subglobose, rough (6) 6.5-8.5 (9) X 5.5-8 /x, ornamented with medium high<br />
to low warts usually separate or sometimes confluent into short ridges or with<br />
a few fine lines, very slightly reticulate.<br />
Gregarious on the ground in mixed woods. July-Sept.<br />
This is a red species with ochraceous spores and acrid taste. There does<br />
not appear to be any information concerning its edibihty but it is considered<br />
doubtful because of the acrid taste.<br />
RUSSULA VARIATA Banning Edible<br />
Figures 118, 119, page 69<br />
PILEUS l-SYi in. broad, fleshy, firm, at first convex, expanding and becom-<br />
ing depressed to nearly infundibuliform, reddish purple or brownish purple,<br />
often mixed with olive or green, or sometimes entirely greenish, viscid, gla-<br />
brous, pelhcle separable on the margin, margin not striate, sometimes with the<br />
peUicle cracking, flesh white or grayish under the pellicle, mild to slowly acrid.<br />
LAMELLAE adnate to slightly decurrent, close to crowded, narrow, forking two<br />
or three times, white, stipe 1 1/4-3 in. long, I/2-I in. thick, equal or nearly so,<br />
smooth, white, solid, spores white, subglobose, (7) 8-10 (1 1) X (6) 7-8.5 (9) /x,<br />
ornamented with low, separate warts and a few fine lines.<br />
Gregarious on the ground in woods. July-Sept.<br />
This species is close to R. cyanoxantha Fr. and is sometimes regarded as a<br />
variety of it. It diff'ers in the forked lamellae and slightly acrid taste.<br />
75
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