Dried red-rose petals, broken up, 1/4 oz.; diluted sulphuric acid, 1 fl. dr.; boiling distilled water, 10 fl. oz.

B.P. Rosae Canninae Fructus. Fruit of the Dog-Rose. Hips. - The ripe fruit of the dog-rose, Rosa canina, and other indigenous allied species.

Characters. - An inch or more in length, ovate, scarlet, smooth, shining; taste sweet, subacid.

Composition. - Crystallisable sugar, gum, citric and malic acids free and combined.

Preparation.

B.P.

Dose.

Confectio Rosae Caninae .............................................

............ 60 gr. or more.

Uses. - The preparations of roses are used chiefly as vehicles. The Confectio Rosae Gallicae and Confectio Rosae Caninae are used as bases for pills, and also for linctus. The acid infusion of roses is used as a gargle, and is slightly astringent. Aquae Rosae is used as a vehicle.