The Pocket materia medica and therapeutics

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Illustrated Medical Journal, Incorporated, 1895 - 387 стор.
 

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Сторінка 310 - These roots are often 6 inches or more in length by -Í- a line in diameter and are very brittle. The whole drug is of a pale yellowish brown ; it has no considerable odour, but a sweetish and subsequently acrid taste. In general appearance it is suggestive of valerian, but is somewhat stouter and larger.
Сторінка 299 - ... dried root (Coptidis Radix), imported into Bengal from Assam in small rattan baskets, each containing from one to two ounces of the drug. This consists of pieces of a woody rhizome, of the thickness of a small goose-quill, and from one to two inches in length, often contracted at one extremity into a short woody stem ; the surface is usually rough, irregular, more or less annulated, and marked with the remains of rootlets in the shape of short spiny points. Externally it is of a yellowishbrown...
Сторінка 36 - When heated to redness, the salt chars, emits the odor of burnt sugar, and leaves a blackened residue of an alkaline reaction. The aqueous solution of the salt yields with hydrochloric acid, a white precipitate soluble in an excess of the acid ; but no precipitate occurs if tartaric acid has been previously added. In a solution of the salt acidulated with hydrochloric acid, hydrosulphuric acid causes ал orange-red precipitate. A dilute solution at once becomes permanently turbid on the addition...
Сторінка 304 - Description. — The drug consists of a short portion of rhizome about as thick as the little finger, of a dark grey colour, surmounted by a bundle of fine reddish-brown fibres, the whole forming an object not unlike the tail of a sable or martin. The fibres are produced by an accumulation of the skeletons of the leaves, and are matted together, forming a kind of network ; amongst them the remains of flower-stalks may be found. The odour of the drug is heavy and peculiar, like a mixture of Valerian...
Сторінка 59 - A heavy, dark brownish-red, mobile liquid, evolving, even at ordinary temperatures, a yellowish-red vapor, highly irritating to the eyes and lungs, and having a peculiar suffocating odor, resembling that of chlorine.
Сторінка 296 - Btalkles? anthers. The female flower has an adherent calyx of several leaves, and is terminated by a long two-parted style. It contains a single suspended ovule, and becomes converted when ripe into a succulent drupelike fruit. The female flowers are solitary, placed in the axils of the leaves, side by side with the heads of male flowers. The Upas-tree, when pierced, exudes a milky juice, which contains an acrid virulent poison, called antiarin. Most exaggerated statements respectiug this plant were...
Сторінка 310 - Tho root consists of a short, knotty, descending root stock, about £ of an inch in thickness, emitting 2 to 3 aerial stems, and a considerable number of wiry roots. These roots are often 6 inches or more in length by ^ a line in diameter, and are very brittle.

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