Rosmarinus

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Read about Rosmarinus in the Standard Cyclopedia of Horticulture 

Rosmarinus (Latin, sea-dew; the plant is common on the chalk hills of the south of France and near the seacoast). Labiatae. Rosemary. Hardy evergreen shrub; a well-known garden plant, with aromatic leaves used for seasoning.

Leaves narrow, entire, with revolute margins: fls. in short axillary racemes, few, approximate, opposite, subsessile, bluish or white; calyx ovoid-campanulate, 2-lipped, posterior lip concave, minutely 3-toothed, anterior 2-cut; corolla-tube exserted, limb 2-lipped, posterior lip erect, emarginate or shortly 2-cut, anterior spreading, 3-cut, the midlobe largest, concave, declined; perfect stamens 2: nutlets smooth, ovoid-subglobose.— One species, Medit. region. The genus is placed near Salvia, being distinguished by the calyx being only shortly 2-lipped, not hairy in the throat and the connective of the anthers continuous with the filament and indicated only by a slender reflexed tooth.

Rosmarinus officinalis has small light blue flowers, which are much sought by bees. Oil of rosemary, a volatile oil distilled from the leaves, is a common preparation in drug-stores. The leaves are also used in making Hungary water. In northern herb-gardens, it lasts for years if given well-drained soil and some winter protection. It is recommended for hedges in southern California, especially for dry and rocky places near the coast.


The above text is from the Standard Cyclopedia of Horticulture. It may be out of date, but still contains valuable and interesting information which can be incorporated into the remainder of the article. Click on "Collapse" in the header to hide this text.


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