APOCYNUM (from apo, away, and kyon, a dog; adopted by Dioscorides, because the plant was supposed to be poisonous to dogs). ORD. Apocynaceae. Dog's Bane. Perennial erect herbs, with cymose flowers and membranous, opposite leaves. There are several species belonging to this genus, but only the one described below is worthy of being cultivated. They are of extremely easy culture, thriving in any ordinary soil; and may be propagated by suckers, divisions, or seeds. The best time to divide is just as they are starting into fresh growth in spring. APOCYNUM androsaemifolium (Tutsan-leaved).* fl. pale red, with darker stripes; corolla campanulate; cymes terminal and lateral. July. l. ovate, glabrous, petiolate, pale beneath. h. 1ft. to 2ft. Virginia, and Canada, 1683. A very old garden favourite, thriving best in peaty soil, with Azaleas, &c.