| Water | 73.70% |
| Total solids | 26.30 |
| The dry substance contained: | |
| Total nitrogen | 2.40 |
| Extractive nitrogen | 1.27 |
| Protein nitrogen | 1.13 |
| Ether extract | 1.6 |
| Crude fiber | 7.5 |
| Ash | 6.1 |
| Material soluble in 85% alcohol | 31.5 |
American Journal of Physiology, Vol. 1, No. 11, March 1, 1898.
I.—Excen´trici.
P. dry´inus Pers. Gr.—oak. Pileus 2 in. broad, whitish, variegated with spot-like scales which become dingy-brown, lateral, oblique, rather plane. Flesh thick. Stem very curt and obese, commonly 1 in. long and thick, somewhat lateral, somewhat woody, squamulose, white, with a short, blunt root. Veil scarcely conspicuous on the stem, but appendiculate round the margin of the pileus when young. Gills not very decurrent, somewhat simple, not anastomosing behind, narrow, white, becoming yellow when old.
On trunks, oak, ash, willow, etc. Stevenson.
Spores 10×4µ Massee.
Edible. Cordier, Cooke.
When young the caps are tender; of the consistency, when cooked, of Polyporus sulphureus. In taste and smell the species varies from other Pleuroti, in having a distinct musk-like flavor. This is agreeable, reminding one of the common mushroom—A. campester.