OCR Text |
Show OFFICINAL STORAX. AAD colour; though sometimes likewise interspersed with a few whitish grains, The common storax of the shops is in large masses, considerably lighter and less compact than the foregoing: it appears on examination to be composed of a resinous juice, mixed with sawdust. Storax has an agreeable smell, and an aromatic taste. Neumann got from 480 grains, 360 alcoholic, and 30 of watery extract; and inversely, 120 watery, and 240 alcoholic. In distillation it yielded benzoic acid, It is therefore a balsam, or natural combination of resin with benzoicacid. PREPARATIONS, Poririep Storax, Dissolvethe storax inrectified spirit of wine, and strain the solution; afterwards reduceit to a proper thickness, with a gentle heat. OFFICINAL STORAX. STYRAX OFFICINALE. Dub. Digest the storax in water, with a lowheat, until it gets soft; then express it between iron plates, heated with boiling water ; and, lastly, separate it from. the water. re —— Class X. Decandria. Essent. Gen, Cuar, OrderI. Monogynia, Calyx beneath: two-seeded. Spec. Cuar. 2 . Corolla funnel-shaped : Leaves ovate, underneath villous: than theleaf. (Styrax Purificata. L.) Drupe Racemes simple, shorter EE DESCRIPTION. w Tis tree rises to twenty feet. The leaves are broad, entire, somewhat pointed, and on the upper surface smooth, on the undersurface covered with a white down ; these are placed alternate, and stand upon short footstalks. Theflowers are large, white, and terminate the branches. The borderof the corolla is cut into five segments, HISTORY. re tree grows in the Levant, Ital y, and France. ‘The storax flow : s fro te m wounds made in the bark » in countries where the heat is sufficient, for neithe , rin France nor in Italy does it furnish any. It occurs either in small distinct tears, of a whiti sh or reddilish : colour, or in in large lar massSes es composed of tears, or in i masses of an uniform te xture, and yellowish red or brownish Storax is a balsam, or combination of resin and benzoic acid, both of which are soluble in alcohol, andneitherof them volatile in the heat necessary for evaporating alcohol. ‘Che London pro- cess for purifying is expensive, and the Dublin college cannot have altered it without good reason. Pitts or Orrum. (Pilula Opii. L.) Take of hard purified opium, powdered, two drachms ; extract of liquorice, one ounce: Beat them until they are perfectly united. Srorax Pints. (Pilule e Stytace. ‘Take of purified storax, three drachms ; soft purified opium, saffron, of each one drachm: Beat them into an uniform mass. Oprate or Tuesarc Prors. (Pilale Opiate, olim Pilule Thebaice. E.) Take of opium, one part ; extract of liquorice, seven parts ; Jamaica pepper, two parts: |