Pileus 3–6 in. broad. The pileus is at first pale, then acquiring a brownish tinge. The edge is always very obtuse. Stevenson.
The lower surface or hymenium is frequently rough with numerous acicular projections, making the plant look like a Hydnum when viewed horizontally. Peck, 24th Rep. N.Y. State Bot.
Massachusetts, Kansas, New York. Peck, Rep. 24.
Wherever the birch grows this neat, white-fleshed Polyporus abounds.
When young it is eaten by deer. Dried it burns with a white flame, or holds fire as well as the best punk. It is a valuable fuel, already prepared for the stove. In the birch forests near Eagle’s Mere, Pa., tons of it can be seen protruding from tree and log.
When very young it is fair. Unpleasant when old.
V.—Resupinati.
P. sinuo´sus Fr.—full of folds. Broadly effused, adnate, dry, the evanescent mycelium somewhat rooting, white then yellowish. Pores large, surface flexuous, acute, lacerated. Odor of licorice.
New York. Decaying wood of maple. Peck, 40th Rep.
Mt. Gretna, Pa. McIlvaine.