Rosa

(ro'-zah). genus of rosacea, the rose. R. Acidum, A Infus. (B. the P.) family Dose R., Aqua, pale rose 40, water 200 parts, mixed and distilled. R., Aq., Ung., cold cream; oil of almond 50, spermaceti, white wax aa 10, rost water 30 parts. A useful emollient. R. Caninaj Confectio (B. P.) Dose R. can in a, the dogrose, a European plant four to eight feet high. Rosa; caninae, Fructus. Hips. These are the enlarged calyx tubes, not the fruit. They have a sweet, acidulous, rather astringent taste, and are inodorous. For medicinal use, the fleshy calyx-tube is employed, the akenes being removed. The pulp contains malic and citric acids. Confectio rosae caninae, prepared from hips R. cent i folia, pale rose; hundred-leaved rose, probably a native of Western Asia, but cultivated in all countries. The petals alone are used, and are roundish obovate, pink in color, having a delicious odor, due to a volatile oil, and a sweetish, rather bitter and astringent taste. The chief constituents are tannin, fat, resin, sugar, mucilage, a bitter principle, malates, tannates, phosphates, and a coloring-matter. The petals are used in the distillation of Aqua roses, and dried in preparing Syrupus cotnp. R., Confectio, red rose 8, sugar 64, honey 12, rose-water 16 parts. A basis for pills. R.,Damascena. See Attar of Rose. R., Ext., Fid. Dose VC. R. gallica, red rose; rose rouge. A native of Southern Europe and the Levant, but extensively cultivated. The buds are collected, the petals cut off near the base and rapidly dried. The chemic constituents are nearly identical with those of pale rose. Confectio rosae, red rose 8 parts, sugar 64, honey 12, rose-water 16 parts, as a basis for pills. Infus. rosae acidum, dried red rose petals broken up troy -ounce, diluted sulphuric acid 1 fluidram, boiling distilled water 10 fluid ounces. Infuse in a covered ve el for half an hour and strain. Extr. rosae fluid., red rose in N powder 100 gm., glycerin 10 gm., dilute alcohol make 100 c. c. Pack the mixture in a percolator, and add enough of the menstruum to saturate the powder and leave a stratum above. Used in and mouth-washes. Syrupus rosae, made fro i fluid extract. Mel rosae, honey of rose. Red in No. 140 powder 8 parts, clarified honey 92 dilute alcohol, a sufficient quantity to make 200 R. sol is ("Rose of the bark sun and "), a orange cordial flower or flavored with ca ia Rosoglio.