Thomson's Conspectus of the British pharmacopoeias.

Anthony Todd Thomson

Date:: 1852

Credit: Thomson's Conspectus of the British pharmacopoeias. Source: Wellcome Collection.

146/248 page 118

$Use. Neuralgia, chorea, hysteria, epilepsy. Dose. Gr. j. to gr. ij. in pills. RESINA. L. E. D. Yellow Resin. (Pinus Sylvestris. The residue, after the distillation of turpentine, to procure the volatile oil.) Oper. Stimulant. Use. In the composition of plasters and ointments. Off. Prep. Emplast. Hydrargyria E. Emplast. Cantharidis, L. E. D. Emplastrum Hydrargyria E. D. Emp. Ferri, E. Emp. Picis Com- positum, L. E. Emp. Resince, L. E. D. Emp. Simplex, E. Ceratum Resince, L. E. Ung. Picis, L. Ung. Infusi Meloes Vesicatorii, E. RESINA ALBA. E. White Resin. (Pinus Sylvestris. The Scotch Fir. T?.) Exudes from wounds of the bark. Prop. Little odour or taste; semi-transparent; insoluble in water; soluble in alcohol, in oils both fixed and volatile, and alkalies : pul- verulent. Oper. Stimulant, diuretic, rubefacient. Use* Very seldom employed internally; but chiefly to render more adhesive and stimulating various plasters. RHAMNI SUCCUS. L. Rhamni Bacca?, E. Buckthorn Berries. (Rhamnus Catharticus, Purging Buckthorn. Pentand. Monogyn. N. O. Rhamnacecc. Indigenous, f?.) Prop. Odour faint and disagreeable; taste bitterish and nauseous; the size of a pea; have four seeds ; the juice stains paper green. Oper. Drastic hydragogue cathartic. Use. In the same cases as jalap and senna, which are superior me- dicines. The operation must be assisted with copious dilution, as they excite much thirst and griping. Dose. Of the recent berries, gr. xx.; of the dried, 3j. to 3ij.; of the ex- pressed juice f5ss. to il). Off. Prep. Syrupus Rhamni, L. E. RHATANIA. See Krameria. RHEUM. L. E. D. Rhubarb Root. (Rheum, but species not deter- mined. Enneand. Monogynia. N. O. Polygonacece. China. 1?.) The best comes through Russia in flat perforated pieces. Comp. Rhabarberic acid or rhein, on which its virtues depend, oxalate of lime, tannic acid, a gum. Prop. Odour aromatic, peculiar, rather nauseous; taste somewhat aromatic, subacrid, bitterish, astringent; feels gritty between the teeth; colours the saliva and urine saffron-yellow; not very muci- laginous. Pieces firm, but not flinty; external colour a clear yellow; fracture rugged, veined yellow, red, and white; easily pulverized, forming a powder of a fine bright buff-yellow colour. Both water and spirit extract its virtues. Oper. Purgative, stomachic, astringent. Use. In costiveness, from laxity of bowels, particularly of children ; and diarrhoea. It is a useful adjunct to neutral salts and calomel, rendering their operation more easy. Externally the powder is sprinkled over ulcers, to assist their granulation and healing. Dose. Gr. x. to 3ss. of the powder to open the bowels; gr. vj. to gr. x. to act as a stomachic. Off. Prep. Infusum Rhei, L E.D. Extractum Rhei, L. E. D. Vinum Rhei, E. Tinct. Rhei, E. Tinct. Rhei Composita. L. D. Tinct. Rhei et Aloes, E. Tinct. Rhei et Gentiance, E. Pilula Rhei Composita, L. E. D. Pilula Rhei et Ferri, E. RHCEAS. L. Rhceados Petala, E. Papaver Rhceas, Petala, D. Petals of the Red Poppy. (Papaver Rhceas. Class and order as Pap. Som- niferum. Indigenous. 0.) Use. Chiefly to impart their fine red colour to syrup. Off Prep. Syrupus Rhceados, L. E. RICINI OLEUM. L. E. Ricinus communis; Oleum e Semin'bus E*_ pressum, D. Castor Seeds and Oil. ^Rieiuua Communis, the Castor,$

Thomson's Conspectus of the British pharmacopoeias.

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