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The London Dispensatory, containing : 1. the Elements of Pharmacy ; 2. the botanical Description, natural History, chemical Analysis, and medicinal Properties of the Substances of the Materia Medica ; 3. the pharmaceutical Preparations and Compositions of the Pharmacopoeias of the London, Edinburgh, and Dublin Colleges of Physicians ; the Whole forming a Practical Synopsis of Materia Medica, Pharmacy, and Therepeutics
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PART II,

Materia Medica.

407

ment, in scabies and herpetic eruptions. In every form, how-ever, it requires to be used with caution ; and even as an er-rhine its acrimony should always be obtunded by mixing itwith some mild powder, as that of liquorice root or of starch.The dose of the powdered root should not exceed grs. ij ; andfor errhine purposes grs. ij or iij should be diluted with grs. xijof liquorice powder, and a pinch of it snuffed up the nose forseveral successive evenings.

Officinal preparations. Decoctnm Veratri. L. Tinctura Veratrialhi. E, Ungaeidum Veratri.

VERONJCA. Spec Plant. Willi, i. 54.CI. 2. Ord. 1. Diandria Monogynia. Nat. ord. Personatse Linn.

Pedicularis Juss.G. 44. Corolla border four-cleft, with the lowest segment narrower.

Capsule two-celled.* * with corymbose racemes.Species 30. V. Beccabunga. Broad leaved brooldime. Med.Bot. 2ded.

363. 1. 132. Eng. Bot. x. 655. Smith Flora Brit. i. 20.Officinal. Beccabunga; herba. Dub. The herbaceous part ofbrooklime.

Syn. Beccabunga; Veronique aquatique (F.) Bachbungen (G.) Anagalide acquatica(L)Becabunga (S.)

Beccabunga is an indigenous, perennial plant, common inrivulets and clear ditches, flowering in June. The stem, whichis procumbent or floating, and gives off from the joints long,simple fibrous roots, is round, leafy, and, like every otherpart of the plant, smooth and shining. The leaves are oppo-site in pairs, on short petioles, oval, serrated, somewhat fleshy,punctured, and of a pale-green colour. The flowers are col-lected in opposite axillary clusters, and individually supportedon delicate footstalks, accompanied by linear lanceolate bractes.The calyx is divided into four acute segments, shorter thanthe corolla, which is of a very beautiful sky-blue colour, withthe tube white. The anthers are whitish, supported on fila-ments, longer than the style; and the capsule cloven, almosttwin. This plant is green throughout the year, but in greatestperfection in the spring.

Qualities. — It is inodorous, and has, when much chewed,a bitterish, slightly astringent taste. The expressed juicereddens in a small degree the more delicate vegetable blues.

Medical properties and uses. — Although brook lime wasformerly considered as a good antiscorbutic, yet it is properlydisregarded by modern practitioners; and, as Lewis observes,if it be expected to produce any good effect, it should be usedas food.

VIOLA. Spec. Plant. Willd. i. 1159.CI.5. Ord.l. PentandriaMonogynia. Nat.ord. Campanaceae Linn,

Cisti Juss.

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