SPRUCE

n. Spruas. The genus Abies, [a, 35.] For subheadings, see under FIR. Hemlock s. See ABIES can a dens is. Oil of s. See HEMLOCK-ot7. S. beer. A preparation made by boiling i pint of e ence of s. and 4 oz. each of piment a, ginger, and hops in 3 gallons of water for five or ten minutes, straining, adding II gallons of warm water, 1 pint of yeast, and 6 pints of mola es, and allowing to ferment for twenty-four hours. It is diuretic and antiscorbutic. [B. 5 (a, 38); B, 98 (a, 31).] S. gum. The exudation of Abies alba and Abies nigra. [" Proc. of the Am. Pharm. A oc.,1 ' xxx (a., 14).] [s. 528]