Bitter-almond Water; Aquæ amygdalæ amaræ, Aqua amygdalarum amabarum (P. Cod.), L. Bitter-almond cake (from which the oil has been expressed), 5 lbs.; macerate for 24 hours, and filter the distilled product through paper previously wetted with pure distilled water. Poisonous.—Dose, 10 to 60 drops, as a substitute for hydrocyanic acid.
Black mustard-seed Water; Aqua sinapis nigræ (Guibourt). Mix 1 part of ground black mustard seed with 8 of water; macerate for 12 hours, and distil 4 parts, by means of steam conducted by a tube from a boiler to the bottom of the still. Filter through moistened paper to separate the oil. Used externally as a rubefacient.
Borage Water; Aqua boraginis (P. Cod.), L. Fresh leaves, 12 lbs.
Camphor Water; Aqua camphoræ (B. P.) Mistura camphoræ. Enclose 1⁄2 oz. of camphor, broken into pieces, in a muslin bag, and attach this to one end of a glass rod, to keep it at the bottom of a bottle containing 1 gall, of distilled water. Macerate for 2 days, then pour off the solution as required.
Caraway Water; Aqua carui (B. P., Ph. L. & D.). Caraway, bruised, 1; water, 20; distil 10.
Cascarilla Water; Aqua corticis cascarillæ (P. Cod.), L. Cascarilla, bruised, 3 lbs.
Cassia Water; Aqua cassiæ (Ph. E.), L. Cassia, bruised, 11⁄2 lb.
Castor Water; Aqua castorei. Castor, 4 oz.
Chamomile Water; Aqua anthemidis (Ph. G.). Dried chamomile flower, 2 lbs.; water, q. s.; distil 20 lbs.
Cherry-laurel Water; Aqua lauro-cerasi (B. P., Ph. E. & D.), L. Prep. 1. (B. P.) Fresh leaves of common laurel, 16, water, 50; chop the leaves, crush them in a mortar, and macerate them in the water for twenty-four hours; distil 20 of the liquid, shake the product, filter through paper, and preserve in a stoppered bottle—2. (Ph. E.) Fresh leaves, chopped, 10 lbs. (10 lbs.—Ph. D.). To the product add of compound spirit of lavender, 8 fl. oz,; agitate well, and, if milky, filter it (through wet paper—Ph. D.& P. Cod.).—Dose, 10 to 60 drops, as a substitute for hydrocyanic acid. It is commonly imitated in trade by dissolving 75 drops (minims) of the oil of bitter almonds in 21⁄2 fl. oz. of rectified spirit, agitating the mixture with warm distilled water, 1 gall., and filtering.