ROSMARINUS, in botany, a genus of the diandra monogynia class. The corolla is unequal, and the upper lip of it is split into two segments; the filaments are long, crooked, and simple. There is but one species, viz. the officinalis, a native of Spain.
Rosemary is a very valuable cephalic, and is good in all disorders of the nerves, and in hysterical and hypochondriac diseases. It is good in pallies, apoplexies, epilepsies, and vertigoes.