Toadstools, mushrooms, fungi, edible and poisonous; one thousand American fungi / How to select and cook the edible; how to distinguish and avoid the poisonous, with full botanic descriptions. Toadstool poisons and their treatment, instructions to students, recipes for cooking, etc., etc.

by Charles McIlvaine; Robert K. Macadam

Pileus 1.5–2.5 in. across. Stem up to .4 in. thick, 1.2 in. long.

“This is a beautiful and very distinct species easily known by its red stem, mild taste and white spores.” Peck, 42d Rep. N.Y. State Bot.

Photographed by Dr. J.R. Weist. Plate XLVa.
RUSSULA PURPURINA.

R. adus´ta Fr.—aduro, to scorch. Pileus pallid or whitish, grayish-sooty, equally fleshy, compact, depressed then somewhat infundibuliform, margin at first inflexed, smooth, then erect, without striæ. Flesh unchangeable. Stem solid, obese, of the same color as the pileus. Gills adnate then decurrent, thin, crowded, unequal, white then dingy, not reddening when touched. Fries.

Spores subglobose, almost smooth, 8–9µ Massee.

In pine and mixed woods.

West Virginia, Pennsylvania, New Jersey, in pine woods and in mixed woods. August to frost. McIlvaine.

R. adusta is solitary but often in small troops. It is easily recognized by the brownish blotches upon its cap, and the crowding of its thin gills.

The solid flesh must be well cooked. It is then of good flavor.