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RUSSULA<br />
Striate when old. flesh white, becoming ashy gray when old, mild, lamellae<br />
adnexed, close, moderately broad, narrowed behind, at first white, becoming<br />
pale yellow and finally ashy gray in age or in drying, stipe 2-3 in. long, 1/2-<br />
% in. thick, equal or nearly so, smooth or with a fine network of lines, at first<br />
white, becoming ashy gray in age, spongy-stuffed, spores pale yellow, subglobose,<br />
8-10(11) X 7.5-9 M, ornamented with rather fine warts that are more<br />
or less joined by fine lines forming a partial reticulum.<br />
SoHtary or scattered on the ground in conifer or mixed woods. July-Sept.<br />
The most characteristic feature of this species is the change to ashy gray<br />
of the flesh and lamellae in age or on drying. The bright yellow color, mild<br />
taste and pale yellow spore deposit are also distinguishing characters. It is<br />
probably the same as R. claroflava W.B. Grove, and, if so, this would be the<br />
correct name since it was published earher.<br />
RUSSULA FOETENS Pers. ex Fr. Not edible<br />
Figure 99, page 49<br />
pileus 21/2-5 in. broad, at first firm, becoming fragile, at first nearly<br />
globose, expanding and becoming plane to slightly depressed, yellowish or<br />
dingy ochraceous, glabrous, viscid, peUicle separable part way to the disk,<br />
margin widely and coarsely tuberculate-striate. flesh thin, rather fragile,<br />
dingy white, yellowish under the pelHcle, taste acrid, odor strong, resembhng<br />
bitter almonds, then fetid, lamellae adnexed, rather close, broad, at first<br />
whitish, becoming yellowish with age and dingy when bruised, exuding drops<br />
of water when young, some forked, stipe 1-3 in. long, I/2-I in. thick, equal or<br />
nearly so, smooth, white or dingy brown in age or when bruised, stuffed,<br />
becoming hollow, spores white, subglobose, 8.5-10 X 8-9 m, ornamented<br />
with coarse, separate spines.<br />
Gregarious on the ground in mixed woods. July-Sept.<br />
The dingy colors and unpleasant odor make this an extremely unattractive<br />
fungus. It is not recommended as an edible species, but is not hkely to be<br />
eaten anyway, because of its unpleasant taste.<br />
There is a group of species somewhat similar to R. foetens. R. foetentula<br />
Peck has pale yellow spores and red stains on the stipe. R. pectinata Fr. has<br />
different spore ornamentation. R. granulata Peck is smaller, lacks the odor<br />
and has granules on the pileus, and R. pectinatoides Peck lacks the granules, is<br />
mild or sHghtly acrid and has whitish spores. R. ventricosipes Peck has pronounced<br />
red stains on the stipe and grows in sand. In this species the taste is<br />
slowly acrid and the spores are pale ochraceous.<br />
RUSSULA FRAGILIS (Pers. ex Fr.) Fr. Suspected<br />
Figure 100, page 49<br />
PILEUS 1-2 in. broad, thin, fragile, at first convex, becoming plane or<br />
shghtly depressed, rosy red to pale red, fading to whitish, glabrous, viscid,<br />
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