APOCYNA

(Lat.), n. n. pl. ’, Adanson’s name for a family of plants comprising A. bie Gentian a, Americe Menyanthes, and other genera now referred to distinct orders. E APOCYNACEÆ (Lat.), n.f. pl. ’- she%(ke2)-e(a3-e2), For deriv.. see APocYNUM. Fr., apocynées. Ger., Apocynaceen, Hundstodgewächse. It., apocinacee. Syn.: Apocynee foureien' Contortæ [Linnæus], Vinceæ [De Candolle]. The dogbanes; an order of plants in the systems of De Candolle, Endlicher, and Lindley, comprising trees or shrubs with acrid milky juice, with exstipulate entire leaves, and with flowers which have a 5-parted calyx and corolla, the latter twisted in æstivation, 5 stamens with filaments distinct, and 1 or 2 many-seeded ovaries with the stigmas united above into a pulley-shaped ma . By Lindley they are referred to the gent i anal alliance, and hy Bentham and Hooker to the cohort Gentian a les. Lindley divides them into 5 tribes: 1. Wälloughbe:æ, with parietal placentae. 2. Cari eæ, with a single 2-celled ovary containing naked seeds. 3. Plumierew, with a double ovary and naked is. 4. Parsonseæ, with a single 2- celled ovary and comose seeds. 5, Wrighteæ, with a double ovary and comose seeds. De Candolle makes the same division, but adds a sixth tribe, the Alstoniew. Endlich r makes 3 suborders: 1. The Curi eæ, having a bacciform or capsular fruit consisting of two united carpels or a single carpel and a bilocular or unilocular ovary , 170. with parietal placentæ. 2. The Ophioxyleæ, which have à drupaceous fruit springing from a double ovary, 3, The Evapocyneæ, or Apacynece proper, Which have a fruit containing two follicles. This last suborder is subdivided into 5 tribes, the Plumerieæ, the Alstonieæ, the Echiteæ, the LAR and the Gelsemiew. Others admit a fourth suborder (or tribe), the Allamandeæ, having a parietal placentæ, a multilocular ovary, and a bivalve capsule. 104, 121, 197.]