Danais. Danais fragrans, Commerc. (Fam. Rubiaceae.)—In this Madagascar plant, the root of which is said to be tonic and antiperiodic, Heckel and Schlagdenhauffen found a glucoside, danain. (A. J. P., 1886.)

The Dispensatory of the United States of America, 1918, was edited by Joseph P. Remington, Horatio C. Wood and others.