Dr. Pereira's Elements of materia medica and therapeutics : abridged and adapted for the use of medical and pharmaceutical practitioners and students and comprising all the medicines of the British Pharmacopœia, with such others as are frequently ordered in prescriptions or required by the physician / edited by Robert Bentley and Theophilus Redwood ; with an appendix.

  • Jonathan Pereira
Date:
1874
Catalogue details

Licence: Public Domain Mark

Credit: Dr. Pereira's Elements of materia medica and therapeutics : abridged and adapted for the use of medical and pharmaceutical practitioners and students and comprising all the medicines of the British Pharmacopœia, with such others as are frequently ordered in prescriptions or required by the physician / edited by Robert Bentley and Theophilus Redwood ; with an appendix. Source: Wellcome Collection.

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    of London, has also used the tincture with great advantage to check profuse passive expectoration in cases of chronic bronchitis. Subse- quently other physicians have testified to the therapeutical value of larch bark in such cases as mentioned above. Administration.—Larch bark has been administered in the form of an extract and tincture. The latter is alone official, and is generally regarded as the best form of administration. [§ Tincture Laricis. Tincture of Larch. Take of Larch Bark, in coarse powder . 2J ounces Rectified Spirit .... 1 pint Macerate the larch bark for forty-eight hours in fifteen fluid ounces of the spirit, in a closed vessel, agitating occasionally; then transfer to a percolator, and when the fluid ceases to pass, continue the percolation with the remaining five ounces of spirit. Afterwards subject the contents of the percolator to pressure, filter the product, mix the liquids, and add sufficient rectified spirit to make one pint. Dose.—20 to 30 minims.] Tincture of larch has a dark carmine-red colour, an agreeable some- what terebinthinate odour, and a styptic resinous taste. The diseases in which it is useful have been indicated above, under the heading of Therapeutics. SAPOTACE^E, Endlicher. The Safota or Sapodilla Order. ISONANDRA GTJTTA, Hooker. The Gutta Percha Tree. Botanical Character.—A tall tree, growing 60 or 70 feet high, having a trunk two or three feet in diameter, and abounding in a milky juice. Leaves alternate, petiolate, entire, leathery, obovate- oblong, feather-veined, shortly acuminate, pale green on the upper surface, and the under surface covered with short reddish-brown shining down. Flowers small, inconspicuous, in clusters of three or more, axillary; peduncles one-flowered. Calyx 6-partite, lobes ovate, obtuse. Corolla with a short tube, somewhat rotate ; limb 6- partite, lobes ovate or elliptical, obtuse, spreading. Stamens 12, inserted into the throat of the corolla; filaments longer than the lobes of the corolla ; anthers ovate, acute, extrorse. Ovary superior, 6-celled, round, pubescent; style long; stigma obtuse. Fruit hard, fleshy, 6-celled, 4 cells being sterile and 2 fertile; each fertile cell containing one oily seed. (Fig. 127.)