It is quite as good as H. repandum.
H. ferrugi´neum Fr. Pileus 1–4 in. across, corky, soft, convex, then plane or depressed, irregularly pitted, ferruginous, at first with whitish tomentum. Flesh ferruginous. Spines thin, acute, about 2 lines long, rusty-brown. Stem firm, 2–3 in. long, unequal, rusty-brown. Spores subglobose, 4µ diameter.
In fir woods. Often gregarious; soft when young, corky and dry at maturity. Massee.
Mt. Gretna, Pa. November to December, 1898. Among pine leaves.
Taste mild, mealy. Tough, but when young it cooks tender.
H. zona´tum Batsch. Ferruginous. Pileus 1–2 in. broad, equally coriaceous, thin, expanded, somewhat infundibuliform, zoned, becoming smooth, radiately-wrinkled, the paler margin sterile beneath. Stem ½-¾ in. long, 2–3 lines thick, slender, somewhat equal, floccose, base tuberous. Spines 1–1½ lines long, slender, pallid, then rust-color. Stevenson.
Spores rough, globose, pale watery brown, 4µ diameter Massee.
New York, Peck, 24th Rep. Mt. Gretna, Pa. Abundant among hemlocks; West Virginia. McIlvaine.
Coriaceous. Edible. It will not cook tender, but yields a pleasant flavor to a gravy made of its juices.
H. albo´nigrum Pk. Pileus convex or nearly plane, broadly obconical, tough but soft and densely tomentose on the upper surface, buff-brown or smoky brown, often wholly covered with a whitish downy tomentum, sometimes on the margin only, substance within soft tomentose and buff-brown in the upper stratum, the lower half hard and black. Spines short, at first white, then whitish or grayish. Stem short, often irregular, compressed or growing together, blackish when moist, buff-brown when dry, covered with a thick dense tomentum, which is frequently more abundant toward the base, hard and black within. Spores white, globose, 4–5µ.