. The elements of materia medica and therapeutics (Volume 2) . sting one part of bruised Tur-meric in six parts of Proof Spirit), and drying in the air, the access of alkalineand acid fumes being prevented. Mr. Faraday (Chemical Manipulation) directsit to be prepared with a decoction of turmeric (prepared by boiling one ounce of thecoarsely-powdered turmeric in ten or twelve ounces of water, straining through acloth, and allowing the fluid to settle for a minute or two). Turmeric paper isemployed as a test for alkalis, which render it reddish or brownish. 3. CURCUMA ANGUSTIFOLIA, Roxburgh.—THE
. The elements of materia medica and therapeutics (Volume 2) . sting one part of bruised Tur-meric in six parts of Proof Spirit), and drying in the air, the access of alkalineand acid fumes being prevented. Mr. Faraday (Chemical Manipulation) directsit to be prepared with a decoction of turmeric (prepared by boiling one ounce of thecoarsely-powdered turmeric in ten or twelve ounces of water, straining through acloth, and allowing the fluid to settle for a minute or two). Turmeric paper isemployed as a test for alkalis, which render it reddish or brownish. 3. CURCUMA ANGUSTIFOLIA, Roxburgh.—THE NARROW-LEAVED TURMERIC. (Fojculn tuber is. East Indian Arrowroot, Offic.) History.—This plant was found by H. T. Colebrook, Esq., in the forests ex-tending from the banks of the Sona to Nagpore, and was by him introduced intothe Botanic garden at Calcutta. (Roxburgh, Flora Indica.) Botany. Gen. char.—Vide Curcuma longa. Sp. Char.—Bulb oblong, with pale, oblong, pendulous tubers only, leavesstalked, narrow lanceolate. Floicers longer than the 156 ELEMENTS OF MATERIA MEDICA. Hab.—East Indies : from the banks of the Sona to Nagpore. The feculaobtained from its tubers is sold in the markets of Benares, and is eaten by the na-tives. (Roxburgh, op. cit.) Grows also in abundance on the Malabar coast,where, especially at Travancore, large quantities of fecula are extracted from thetubers. (Ainslie, Mat. Indica, i. 19.) Description.—Under the name of East Indian Arrow-root I have found incommerce two kinds of fecula, both of which are imported from Calcutta. a. White East Indian Arrow-root.—A fine white powder, readily distinguisha-ble, both by the eye and the touch, from West Indian Arrow-root. To the eye itsomewhat resembles a finely-powdered salt (as bicarbonate of soda or Rochellesalt.) When pinched or pressed by the fingers, it wants the firmness so charac-teristic of West Indian Arrow-root, and it does not crepitate to the same extentwhen rubbed between the
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