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A genus of shrubs and small trees; buckthorn. The California Rhamnus Purchianus and the European R. catharticus are used in medicine. The latter is used for hedges.

An ornamental evergreen shrub (Rhamnus alaternus) belonging to the buckthorns.

he species of alder are usually shrubs or small trees. Black alder. (a) A European shrub (Rhamnus frangula); Alder buckthorn. (b) An American species of holly (Ilex verticillata), bearing red berries.

The fruit of the Rhamnus infectorius, eand of other species of the same genus; -- so called from the city of Avignon, in France. It is used by dyers and painters for coloring yellow. Called also French berry.

A genus (Rhamnus) of shrubs or trees. The shorter branches of some species terminate in long spines or thorns. See Rhamnus. Sea buckthorn, a plant of the genus Hippophaë.

The buckthorn (Rhamnus Purshiana) of the Pacific coast of the United States, which yields cascara sagrada.

Holy bark; the bark of the California buckthorn (Rhamnus Purshianus), used as a mild cathartic or laxative.

Pertaining to, or drived from, frangulin, or a species (Rhamnus Frangula) of the buckthorn. Frangulinic acid (Chem.), a yellow crystalline substance, resembling alizarin, and obtained by the decomposition of frangulin.

A yellow crystalline dyestuff, regarded as a glucoside, extracted from a species (Rhamnus Frangula) of the buckthorn; -- called also rhamnoxanthin.

bean (Phaseolus vulgaris). -- French berry (Bot.), the berry of a species of buckthorn (Rhamnus catharticus), which affords a saffron, green or purple pigment. -- French casement (Arch.) See French window, under Window. -- French chalk (Min.), a variety of granular talc; -- used for drawing lines on cloth, etc. See…

pertaining to Persia, to the Persians, or to their language. Persian berry, the fruit of Rhamnus infectorius, a kind of buckthorn, used for dyeing yellow, and imported chiefly from Trebizond. -- Persian cat. (Zoöl.) Same as Angora cat, under Angora. -- Persian columns (Arch.), columns of which the shaft represents a…

lled also prim. Egyptian privet. See Lawsonia. -- Evergreen privet, a plant of the genus Rhamnus. See Alatern. -- Mock privet, any one of several evergreen shrubs of the genus Phillyrea. They are from the Mediterranean region, and have been much cultivated for hedges and for fancifully clipped shrubberies.…

ng to a natural order of shrubs and trees (Rhamnaceæ, or Rhamneæ) of which the buckthorn (Rhamnus) is the type. It includes also the New Jersey tea, the supple-jack, and one of the plants called lotus (Zizyphus).

The red wood of a kind of buckthorn, used in Russia for dyeing leather (Rhamnus Dahuricus). False sandalwood, the fragrant wood of several trees not of the genus Santalum, as Ximenia Americana, Myoporum tenuifolium of Tahiti. -- Red sandalwood, a heavy, dark red dyewood, being the heartwood of two leguminous trees of…

Sap green, a dull light green pigment prepared from the juice of the ripe berries of the Rhamnus catharticus, or buckthorn. It is used especially by water-color artists. -- Sap rot, the dry rot. See under Dry. -- Sap sucker (Zoöl.), any one of several species of small American woodpeckers of the genus Sphyrapicus, e…