Shrubs or trees usually with the leaves covered with a silvery scurf, entire-flowers mostly dioecious, the calyx free, entire, persistent, becoming in fruit pulpy and berry-like, inclosing the 1-celled, 1-seeded acheniura. Seed ascending, embryo straight, albumen scanty.

Genera 4, species 30, thinly dispersed throughout the Northern hemisphere.

1. SHEPHER'DIA, Nutt. (In honor of John Shepherd, curator of the botanic garden of Liverpool.) FlowersOrder CXI ElaeAgnaceae Oleasters 1610Order CXI ElaeAgnaceae Oleasters 1611 . - Order CXI ElaeAgnaceae Oleasters 1612 Calyx 4-cleft; sta. 8, alternating with 8 glands. Order CXI ElaeAgnaceae Oleasters 1613 Calyx tube closely investing the ovary, but not adhering to it, limb 4-lobed; sty. 1; stig. oblique; berry globous, composed of the fleshy calyx. - Shrubs with spinescent branches, and opposite, deciduous leaves. Fls. aggregated.

1 S. Canadensis Nutt. Lvs. elliptic-ovate, nearly smooth above, clothed beneath with stellate hairs and ferruginous, deciduous scales. - A shrub 6 - 8f high, found in Vt., N. Y. and W. to Wis. (Lapham), and Can., by streams and on river banks. Leaves obtuse at each end, the upper surface green, with few. scattered, stellate hairs, lower surface white, with rust-colored spots, densely tomentous, margin entire; petioles 2 - 4" long, lamina 1 - 2' by 1/2 - 1'. Fls. minute, in small, lateral, nearly sessile clusters. Berries oval, scaly, consisting of the fleshy calyx inclosing the achenia in its tube, sweetish to the taste. .Jl. - A curious and ornamental shrub.

2 S. argeutea Nutt. Lvs. oblong-ovate, obtuse, both surfaces smooth and equally covered with silvery scales. - A small tree, 12 - 18f high, with thorny branches. Leaves 1 - 2' by 4 - 9". Petioles 1/2' long, margin entire, the surface of a light, silvery hue, sprinkled with rust-colored spots. Fruit the size of a currant, scailet, well-flavored, † Mo.

2. ELaeAG'NUS, L. Oleaster. (Gr.Order CXI ElaeAgnaceae Oleasters 1614 the olive; the trees having a resemblance to the olive.) Flowers perfect. Calyx 4-cleft, campanulate, colored on the inner side; sta. 4, alternate with the calyx lobes; anth. subscssile; sty. short; fruit baccate, consisting of the achenium inclosed in the dry, farinaceous calyx tube, marked with 8 furrows. - Trees or shrubs, cultivated for the silvery foliage. Leaves alternate.

1 E. argentea Ph. Lvs. brroad-ovate or oval, wavy, acutish at each end, both surfaces, particularly the lower, silvery and shining, with ferruginous scales. - A beautiful shrub, with reddish branches and small, roundish-ovate, cartilaginous drupes, † Mo.

2 E. angustifolia L. Lvs. narrow-lanceolate, acute at each end, entire, alternate, smooth, canescent; fls. axillary, aggregate. - A tree of middle size, cultivated for its beautiful foliage and pleasant date-like fruit, † Eur.

3 E. latifolia L. Lvs. ovate, evergreen. † E. Ind.

3 HIPPOFHae rhamnoides, with linear-lanceolate lvs., silvery white be-neath, tetrandrous, diœious flowers, and a crowd of yellow, acid drupes, is a European shrub, occasionally seen in shrubberies.