Contractions. - Nux-v. Nx-v.

Strychnos Nux Vomica. Nat. ord., Loganiaceae.

Synonym. - Nux Vomica officinarum.

Fig. - Flora Horn., pl. 44.

Poison-nut. For. names: German, Krahenaugen;

French, Noix vomique; Italian; Noce vomica; Spanish, Mataperros.

Habitat. - Ceylon, the East Indies, Cochin China, adjacent countries, and Islands of the Indian Archipelago.

Parts employed. - The seeds as imported.

Characters. - The tree from which the seeds are obtained is of moderate size, with numerous strong branches, covered with a smooth dark grey bark. The flowers are small, white, funnel-shaped, and in terminal corymbs. The fruit is a round berry, about as large as an orange, with a smooth, yellow or orange-coloured, hard fragile rind, and many seeds imbedded in a juicy pulp; these are nearly circular and flat, about 1 inch in diameter, umbilicated, and slightly convex on one side; externally of an ash-grey colour, thickly covered with short satiny hairs; internally translucent, tough and horny; taste intensely bitter, inodorous.

Preparation. - Tincture, using 20 O.P. spirit.

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

Proper forms for dispensing. - φ and upwards, Tincture, Pilules, or Globules.