The drug plants of Illinois drugplantsofilli44teho Year: 1951 Tehon THE DRUG PLANTS OF ILLINOIS 93 PRUNUS SEROTINA Ehrh. Wild black cherry, wild cherry, rum cherry. Rosaceae. U. S. P. XI, pp. 307, 377.— A moderate to large tree up to 80 feet or more high; baric of the trunk dark red- brown, plated; inner bark aromatic; leaves dark green, leathery, oblong-ovate, long- pointed, 2 to 4 inches long, short-petioled, alternate, finely serrate; flowers white, ]/^ to 1/2 inch wide, in racemes 4 to 6 inches long; fruit a nearly black, fleshy drupe of pleasant flavor. The bark of the stem is collected
The drug plants of Illinois drugplantsofilli44teho Year: 1951 Tehon THE DRUG PLANTS OF ILLINOIS 93 PRUNUS SEROTINA Ehrh. Wild black cherry, wild cherry, rum cherry. Rosaceae. U. S. P. XI, pp. 307, 377.— A moderate to large tree up to 80 feet or more high; baric of the trunk dark red- brown, plated; inner bark aromatic; leaves dark green, leathery, oblong-ovate, long- pointed, 2 to 4 inches long, short-petioled, alternate, finely serrate; flowers white, ]/^ to 1/2 inch wide, in racemes 4 to 6 inches long; fruit a nearly black, fleshy drupe of pleasant flavor. The bark of the stem is collected in autumn and carefully dried. If borke (rough outer bark) is present, it should be removed. Fruit is collected when ripe. Frequent to abundant in open woods and as a weed tree along fences and roads throughout the state. Contains the glucoside amygdalin, which yields hydrocyanic (prussic) acid when acted on by the enzyme emulsin; contains also tannic and gallic acids, a resin, and a bitter principle. Used as a tonic, astringent, and sedative. PTELEA TRIFOLIATA L. Hop tree, wafer ash, wing seed, ague bark, stink- ing ash, quinine tree. Rutaceae.—An erect, few-stemmed, ill-scented, smooth shrub 6 to 8 feet tall; bark of the stems gray to gray-brown, smooth or, w^hen old, roughened; leaves dark green, long-peti- oled, alternate, compound; leaflets 3, shaped like those of an ash, 11,2 to 6 inches long, short-pointed, entire to coarsely serrulate, lateral leaflets two-thirds as large as the terminal one; flowers green- ish-white, small, in terminal, branched clusters; fruit round, flat, broadly winged, strongly veiny. The fruit, leaves, and bark of the root collected. Infrequent in shady woods, especially on the flats and lower banks along streams; throughout the state. The bark of the root contains a resin and berberine, the fruit a resin, the leaves tannic and gallic acids. Used as a tonic.
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