Contractions. - Angust. Ang.

Galipea Cusparia. Nat. ord., Rutaceae

Synonyms. - Cusparia febrifuga, Bonplandia trifoliata.

Fig. - Mora Horn., pl. 5.

Angustura Bark, Cusparia. For. names: German, An-gustura rinde; French, Ecorce d'Angusture; Italian, Angustura; Spanish, Quina de Carony; Native name, Orayuri.

Habitat. - A tree of tropical South America.

Part employed. - The bark.

Characters. - Flat pieces or incomplete quills, from 2 to 8 inches long, and between 1/2 inch and 1 1/2 inch broad, 1/2 line to 3 lines in thickness, consisting of epidermis and proper bark. Outer surface dirty greyish-yellow, often speckled in the smaller pieces with lighter grey spots and elevations. Inner surface dark brown. Substance of the bark yellowish-brown. The transverse fracture is smooth, and somewhat resinous in appearance. The powder is like that of Rhubarb. It has a peculiar odour, and a bitter, hot, aromatic taste.

Distinguished from false Angustura by its outer surface not being turned dark green, nor its fracture red, by Nitric Acid.

Preparations. - Tincture, using dilute alcohol; but trituration is preferable.

Reference to Horn. Proving. - R. A. M. L., vi.

Proper forms for dispensing. - lx to 3, Trituration; or

φ to 1, Tincture. 3x and upwards, Tincture, Pilules, or Globules.