The drug plants of Illinois drugplantsofilli44teho Year: 1951 BETULA LENTA L. Sweet birch, cherry birch, black birch, spice birch. Betulaceae.—An aromatic tree 50 to 80 feet tall; baric of the trunk thick and rough, that of the branchlets shiny and reddish-brown; leaves bright green, ovate, acute, 21/ to 4 inches long, sharply serrate, petioled, alternate; flowers in catkins; fruit a winged nutlet, produced in erect, oval cones about 1 inch long. The bark of the trunk collected. Rare in the state, occurring in Lee County and in the bogs of Lake County. Contains an aromatic oil similar to win
The drug plants of Illinois drugplantsofilli44teho Year: 1951 BETULA LENTA L. Sweet birch, cherry birch, black birch, spice birch. Betulaceae.—An aromatic tree 50 to 80 feet tall; baric of the trunk thick and rough, that of the branchlets shiny and reddish-brown; leaves bright green, ovate, acute, 21/ to 4 inches long, sharply serrate, petioled, alternate; flowers in catkins; fruit a winged nutlet, produced in erect, oval cones about 1 inch long. The bark of the trunk collected. Rare in the state, occurring in Lee County and in the bogs of Lake County. Contains an aromatic oil similar to win- tergreen oil and the glucoside gaultherin; methyl salicylate is obtained from the glyco- side. Used as a flavoring agent, an antisep- tic, and an antirheumatic. I BRASSIGA ALBA (L.) Boiss. [Sina- pis alba L.) White mustard, yellow mustard, charlock, kedlock, senvre. Cru- ciferae.—An erect, spreading-branched, stiff-hairy herb 1 to 2 feet high, annual; lower leaves deeply pinnately lobed and with a large terminal lobe, 6 to 8 inches long; stem leaves tending to be less lobed and lanceolate; flowers yellow, 4-parted, small; pods narrow, about 1 inch long, spreading, constricted betw^een seeds, rough-hairy; seed roundish, pale yellow. The seed collected when ripe but before the pod is ready to burst. Introduced and often escaping but apparently failing to be- come established. Contains the glucosides sinalbin and myr- osin, and these in the presence of water form a pungent fixed oil. Used as an emetic and rubefacient. I
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