Flowers perfect. Sepals 4 or 5, united at the base, forming a short and flat calyx. Petals 4--5, rounded, spreading. Stamens very short, inserted on the edge or face of a broad and flat 4--5-angled disk, which coheres with the calyx and is stretched over the ovary, adhering to it more or less. Style short or none. Pod 3--5-lobed, 3--5-valved, loculicidal. Seeds 1--4 in each cell, enclosed in a red aril.--Shrubs, with 4-sided branchlets, opposite serrate leaves, and loose cymes of small flowers on axillary peduncles. (Derivation from εὖ, _good_, and ὄνομα, _name_, because it has the bad reputation of poisoning cattle. _Tourn._) 1. E. atropurpùreus, Jacq. (BURNING-BUSH. WAAHOO.) Shrub tall (6--14° high) and upright; _leaves petioled_, oval-oblong, pointed; parts of the (dark-purple) flower commonly in fours; _pods smooth, deeply lobed_.--N. Y. to Wisc., Neb., and southward; also cultivated. June.--Ornamental in autumn, by its copious crimson fruit, drooping on long peduncles. 2. E. Americànus, L. (STRAWBERRY BUSH.) Shrub low, upright or straggling (2--5° high); _leaves almost sessile, thickish_, bright green, varying from ovate to oblong-lanceolate, acute or pointed; parts of the greenish-purple flowers mostly in fives; _pods rough-warty, depressed_, crimson when ripe; the aril and dissepiments scarlet.--Wooded river-banks, N. Y. to Ill., and southward. June. Var. obovàtus, Torr. & Gray. Trailing, with rooting branches; flowering stems 1--2° high; leaves thin and dull, obovate or oblong.--Low or wet places; the commoner form. 3. PACHÝSTIMA, Raf. Flowers perfect. Sepals and petals 4. Stamens 4, on the edge of the broad disk lining the calyx-tube. Ovary free; style very short. Pod small, oblong, 2-celled, loculicidally 2-valved. Seeds 1 or 2, enclosed in a white membranaceous many-cleft aril.--Low evergreen shrubs, with smooth serrulate coriaceous opposite leaves and very small green flowers solitary or fascicled in the axils. (Derivation obscure.) 1. P. Cánbyi, Gray. Leaves linear to linear-oblong or oblong-obovate, obtuse, 3´´--1´ long; pedicels very slender, often solitary, shorter than the leaves; fruit 2´´ long.--Mountains of S. W. Va. ORDER 27. RHAMNÀCEÆ. (BUCKTHORN FAMILY.)