. The drug plants of Illinois . CALENDULA OFFICINALIS L. Mangold, pot marigold, calendula. Compositae. The flower heads collected when in full blossom. Grown extensively in gardens and in greenhouses; not established as an escape. Contains a volatile oil and a bitter prin- ciple. Used as a carminative and mild stimulant. CANNABIS SATIVA L. Hemp, In- dian hemp, red-root, gallow grass, mari- juana. Urticaceae. U. S. P. XI, pp. Ixvii, 104, 155, 169.—A stout, sparingly branched, rough herb 3 to 6 feet tall, an- nual; leaves digitately compound, on long, weak petioles, opposite or alternate above;
. The drug plants of Illinois . CALENDULA OFFICINALIS L. Mangold, pot marigold, calendula. Compositae. The flower heads collected when in full blossom. Grown extensively in gardens and in greenhouses; not established as an escape. Contains a volatile oil and a bitter prin- ciple. Used as a carminative and mild stimulant. CANNABIS SATIVA L. Hemp, In- dian hemp, red-root, gallow grass, mari- juana. Urticaceae. U. S. P. XI, pp. Ixvii, 104, 155, 169.—A stout, sparingly branched, rough herb 3 to 6 feet tall, an- nual; leaves digitately compound, on long, weak petioles, opposite or alternate above; leaflets 5 to 7, linear lanceolate, sharply serrate; flowers small, green, dioecious; pistillate flowers in spikelike clusters; staminate flowers in axillary racemes or panicles; seed yellow to olive-brown, small. ovoid to nearly round, with obtuse edges. Leaves, seeds, and fruiting tops col- lected. Established locally, especially near transportation lines, throughout the state; occasionally covers acres. Contains the resin cannabin and a volatile narcotic oil, from which may be derived the alkaloids cannabinene and tenanocannabine, also cannabinol, a glucoside. Used as a nar- cotic, analgesic, and sedative. CAPSELLA BURSA-PASTORIS (L.) Medic. Shepherd's purse, pepper plant, case weed. Cruciferae.—^An erect, much-branched, smooth herb Yz to 2 feet tall, annual; taproot thin, long, deep; stem slender, pubescent below; leaves variously lobed or toothed, on the stem sessile and arrow-shaped, 2 to 5 inches long, alter- nate; flowers small, white, 4-parted, pedicellate in slender racemes; pods small, triangular, or purse-shaped. The herb collected. Introduced and now common in neglected places of all kinds in all parts of the state. Yields a volatile oil on distillation and has a pungent, bitter taste. Used as a tonic, ascorbutic, and astringent.
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