The British pharmacopoeia / published under the direction of the General Council of Medical Education and Registration of the United Kingdom, pursuant to the Acts XXI. & XXII. Victoria, CAP. XC. (1858) and XXV. & XXVI. Victoria, CAP. XCI. (1862).

General Medical Council.

Date:: 1899

Credit: The British pharmacopoeia / published under the direction of the General Council of Medical Education and Registration of the United Kingdom, pursuant to the Acts XXI. & XXII. Victoria, CAP. XC. (1858) and XXV. & XXVI. Victoria, CAP. XCI. (1862). Source: Wellcome Collection.

Provider: This material has been provided by King’s College London. The original may be consulted at King’s College London.

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$TURPETHUM. Turpeth. The dried root and stem of Ipomoea Turpethum, B. Br. [Bot. Mag. plate 2093]. Characters.—Turpeth, as found in commerce, consists of the root and stem of the plant cut into short lengths, usually from one half to two inches (one and a quarter to five centi- metres) in diameter; the central woody portion is often removed by splitting the bark on one side. The exterior surface has a twisted rope-like or columnar appearance due to deep longi- tudinal furrows, and is of a dull grey colour; a transverse section shows a porous central column surrounded by a broad cortical portion, the section is of a pale yellowish- white colour, the cortex sometimes being darker. The frac- ture is short in the cortex and fibrous in the central portion. The drug has a faint odour and a nauseous taste, which is perceptible only after it has been some time in the mouth. Dose, in powder.—5 to 20 grains. India. Eastern Colonies. North American Colonies. TYLOPHOR^ FOLIA. Tylophora Leaves. The dried leaves of Tylophora asthmatica, Wight et Arnott [Bentl. and Trim., Med. PI. vol. iii. plate 177]. Characters.—Petiolate, entire, from two to five inches (five to twelve and a half centimetres) long and from three- quarters of an inch to two and a half inches (eighteen to sixty-five millimetres) broad, lanceolate-ovate or ovate or sub-rotund in outline, somewhat cordate at the base, abruptly acuminate; rather leathery in texture, glabrous on the upper surface and finely downy on the lower; brownish-green colour, which is paler on the lower surface. Odour slightly aromatic ; almost devoid of taste. Dose, in powder.—\ to 2 grains, as an expectorant; as an emetic, 15 to 30 grains.$