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.