Materia medica and therapeutics : for physicians and students . d camphor 5 per cent.) are employed. Atropina {Atropine^, or its officinal salt Atropine Sulphas{Atropine Sulphate^, is generally employed medicinally instead ofbelladonna, as it represents the activity of the drug, because ofthe smallness of the dose required, and its fitness for hypodermicuse. The sidphate, which is obtained by mixing the alkaloid 94 MATERIA MEDICA NEUROTICS. with water, and gradually adding diluted sulphuric acid until thealkaloid is dissolved and the solution is neutral, when the salt isobtained by evaporation
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Materia medica and therapeutics : for physicians and students . d camphor 5 per cent.) are employed. Atropina {Atropine^, or its officinal salt Atropine Sulphas{Atropine Sulphate^, is generally employed medicinally instead ofbelladonna, as it represents the activity of the drug, because ofthe smallness of the dose required, and its fitness for hypodermicuse. The sidphate, which is obtained by mixing the alkaloid 94 MATERIA MEDICA NEUROTICS. with water, and gradually adding diluted sulphuric acid until thealkaloid is dissolved and the solution is neutral, when the salt isobtained by evaporation, consists of a white, slightly crystallinepowder, very soluble in water and alcohol, but insoluble in ether.As a medicinal agent, the salt is preferable because more soluble.Dose, gr. Jo ^V STRAMONIUM. Stramonii Folia, Stramonium Leaves; Stramonii Semen; Stramonium Seed. Datura Stramonium, or Thorn-Apple, sometimes called James-town weed {Nat. Ord. Solanaceae), is an annual indigenous plant, which grows very abundantly in waste grounds in all parts of the Fig. DATURA STRAMONIUM. A, SEED. world. It has a forked, branching stem, from three to six feethigh, ovate, toothed leaves, large funnel-shaped white or pur-plish flowers, which appear in midsummer, and ovate capsules, filled with numerous kidney-shaped, brownish-black seeds. Theodor of the plant is strong and disagreeable, and its taste bitterand nauseous. It loses these properties very much when dried, but the process does not appear to weaken its narcotic qualities.The LEAVES and seeds are officinal, but the seeds are most pow-erful from containing most daturine. The active principle of Stramonium is an alkaloid termed NARCOTICS HYOSCYAMUS. 95 daturinc, found combined with malic acid, which is chemicallyidentical with atropine, and possesses analogous properties. The physiological effects of stramonium are closely allied to butweaker than those of belladonna. From its common occurrencein every part of the country, cases of po