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Show COMMON BLACK MUSTARD. 615 seed, when mixed with water, sends out very volatile, pungent efinvia. It abounds with oily, gum-resinous, and earthyfixed parts; its oil, got by expression, is almost as mild as that procured from sweet almonds. MEDICAL VIRTUES. It is given as a warm, cordial medicine, in cold phlegmatic habits, where there is too much viscid phlegm; andin chronic diseases, where there is too languid a circulation. It sometimes proves a strong diuretic; and we have an instance, related by rheumatism, when taken in the same way. Bruised mustardseed, or its flowers, mixed with warm water, proves a speedy and safe emetic, and is often used as such in paralytic cases. Or ES urine, from taking a spoonful of the unbruised mustard-seed twicea day. It is likewise prescribed in this form as a warm cordial medicine in palsies ; and has had a goodeffect in chronie leat Za a 3 Dr. Mead, where the waters of a dropsy were all evacuated by PREPARATIONS. Mustarp Carapnasm. Class XV. Tetradynamia. Order II. Siliquosa, Essent. Gen. Cuan. Calyx spreading: Clawof the Petal straight: Glands betwixt the shorter stamina and the pistillum, and betwixt the long and Spec. Cuar. —— vinegar, as muchas is sufficient : Mix, and make a cataplasm. (Sinapisms may be made stronger by adding of horse-radish, scraped, two ounces, D.) Cataplasms of this kind are commonly known by the name of sinapisms. the calyx. They were formerly frequently prepared in a more complicated state, containing garlic, black soap, and other Silique smooth, pressing on the stem. similar articles; but the above simple form will answer every EE purpose which they are capable of accomplishing. DESCRIPTION. Tus plant rises three feet. Leaves near the root large, irre. gularly heart-shaped, and pinnatifid or lobedat the base; those on the branches narrow, pointed, entire. the branches, of a bright yellow. Flowers terminate HISTORY. Common in corn-fields and banks of ditches, is cultivated for use, and flowers in June. Wz COMMON BLACK MUSTARD. SINAPIS NIGRA, (Catapiasma Sinapeos. L. D.) Take of mustard-seed, powdered, crumb of bread, of each half a pound; ‘There are two kinds; the common black mustard, having blackish seeds, and the white, which has lighter seeds, but they do not differ in qualities. White mustard They are employed only as stimulants: they often inflame the part, and raise blisters, but not so perfectly as cantharides. ‘They are frequently applied to the soles of the feet, in the lowstate of acute diseases, for raising the pulse and relieving the head. The chief advantage they have, depends on the suddenness of their action, Compounp Puaster or Spanisu Frizs. (Emplastrum Meloes Vesicatorii Compositum. E.) Take of Burgundy pitch, ——— Venice turpentine, |