Description. -- Rosemary is an erect, perennial, evergreen shrub, two to four feet high, with numerous branches of an ash color, and densely leafy. The leaves are sessile, opposite, and linear, over an inch in length, dark green and shining above, and downy. The flowers are few, bright blue or white. Calyx purplish.
    History. -- Rosemary is a native of the countries surrounding the Mediterranean, and is cultivated in nearly every garden for its fragrance and beauty. It flowers in April and May. The parts used in medicine are the flowering tops.
    Properties and Uses. -- It is stimulant, antispasmodic, and emmenagogue. The oil is principally employed as a perfume for ointments, liniments, and embrocations.
    Dose. -- Of the oil, internally, from three to six drops.