Contraction. - Rut.

Ruta graveolens. Nat. ord., Rutachae.

Synonym. - R. hortensis et montana.

Fig. - Flora Horn., pl. 52.

Common Rue. For. names: German, Raute; French, Rue des Jardins; Italian, Ruta; Spanish, Ruda.

Habitat. - South of Europe. Naturalized in our gardens.

Flowering time. - June to September.

Part employed. - The herb.

Characters. - Hardy, evergreen under-shrub. Stem, lower part woody. Leaves doubly pinnate, leaflets obovate, sessile, somewhat fleshy, clotted, glaucous, bluish-green. Flowers in umbellate racemes, pale yellow, petals 4 or 5, fringed at the extremity, claws narrow. Smell of plant very strong and disagreeable, taste very bitter, nauseous, hot, and acrid.

Time for collecting. - Just after flowering has well commenced.

Preparation. - Tincture, corresponding in alcoholic strength with proof spirit.

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

Proper forms for dispensing. - φ and lx, Tincture only. 1 and upwards, Tincture, Pilules, or Globules.

Average loss of moisture, 71 per cent.