7. Agaricus albus, N.F. Larch Agaric.
7. AGARICUS ALBUS, N.F.—LARCH AGARIC. PURGING AGARIC. WHITE AGARIC. From Polypo'rus officina'lis Fries. The internal, decorticated portion of the fungus comes in light, colorless, spongy masses of irregular shape. Taste sweetish, acrid, and bitter. In large doses cathartic. In doses of 8 gr., gradually increased to 1 dr., it has been found useful in checking nightsweats of phthisis. Surgeon's agaric, from Polyporus fomentarium Fries, is used externally as a styptic in hemorrhage.
7a. FUNGUS CHIRURGORUM.—Surgeon's Agaric. Same as Polyporus. See above.