C. Marylan'dica. -- Leaflets, U.S.P. 1820-1870; United States, New England to S. Carolina, west to the Mississippi. Plant 1-1.5 M. (3-5 degrees) high; leaves alternate, leaflets paripinnate, 8 pairs 2.5-5 Cm. (1-2') long, 12 Mm. 1/2') wide; flowers August, yellow; fruit pod, 7.5 Cm. (3') long; in sandy soil, river banks, introduced into England in 1723, cultivated for ornament, collected Aug.-Sept.; contains cathartic acid, volatile oil, and is given in one-third larger doses than the official varieties; in infusion.