BIRCH

n. Burch, A.-S., birce. Lat., betula, Fr., bouleau. Ger., Birke. It., bettola, betulla, The genus Betula (q. v.). [B.|—B. bark. See Cortex BETULÆ.—B. camphor. See BETULIN.—B. family. The Betulaceæ. [B,75.|—B. of Jamaica. See West Indian b.—B. oil. See Oil of b. and Empyreumatic oil of b. (ander BETULA alba).—B. resin, B. stearoptene. See BETULIN—B. tar. Lat., balsamum (seu oleum) betulinum, Ger., Birken your, Birkenél, The tar obtained by the dry distillation of b. bark. [B, 180.] See BETULA alba. —Black b. The Betula lent a. [B, 81.)—Canoe b. The Betula papyracea, an American variety of the Betula alba, the bark of which is used for making canoes. [B.]—Cherry b. See BETULA lent a.—Common b. See BETULA alba.—Drooping b. The Betula pendula, a variety of the Betula alba with drooping branches. [B.] —Dwarf b. The Betula nana, also another small species of Betula. B, 275.])—Empyreuma tie oil of b. See under BeTULA alba.— Suropean b. See BETULA alba.—Mahogany b. See BETULA lent a.—Oil of b. The volatile oil obtained from Betula lent a and Betula alba, [B.5,81.|—Paper b. See Canoe b—Sweet b. See BETULA lent a.—West Indian b. The Bursera gummifera. [B, 19, 75.]—White b. See BETULA alba.