Salvadora
(named after J. Salvador, a Spanish botanist). ORD. Salvadoraceae. A small genus (two or three species) of stove, evergreen shrubs or trees, natives of East Africa, Arabia, and India. Flowers small, racemose or spicate, on the branches of terminal or axillary panicles; calyx lobes four, imbricated; corolla campanulate, the tube with four small teeth between the bases of the filaments, the lobes four, imbricated; stamens four. Leaves opposite, entire, rather thick, often pale. S. persica, the only species introduced, is supposed, by many authorities, to be the Mustard-tree of