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A European bulbous liliaceous plant (Urginea, formerly Scilla, maritima), of acrid, expectorant, diuretic, and emetic properties used in medicine. Called also sea onion.

A sharp-pointed hollow hair seated on a gland which secrets an acrid fluid, as in nettles. The points of these hairs usually break off in the wound, and the acrid fluid is pressed into it.

nd from nux vomica. It is obtained as a white crystalline substance, having a very bitter acrid taste, and is employed in medicine (chiefly in the form of the sulphate) as a powerful neurotic stimulant. Called also strychnia, and formerly strychnina.

insects at night. Most toads have a rough, warty skin in which are glands that secrete an acrid fluid.

cine, it is narcotic, emetic, and cathartic. Tobacco has a strong, peculiar smell, and an acrid taste.

ively yellow or saffron color, and has a slight aromatic smell, and a bitterish, slightly acrid taste. It is used for a dye, a medicine, a condiment, and a chemical test.

ot hellebore (Veratrum) and from sabadilla seeds as a white crystalline powder, having an acrid, burning taste. It is sometimes used externally, as in ointments, in the local treatment of neuralgia and rheumatism. Called also veratria, and veratrina.

A very acrid herb (Ranunculus sceleratus) growing in ditches and wet places; -- called also cursed crowfoot.

A kind of plant with acrid leaves. See under 2d Plantain.

Bergia), mostly small annual herbs growing in the edges of ponds. Some have a peppery or acrid taste.

An inflammatory disease of the feet. It occurs round the hoof, where an acrid matter is collected. Whitlow grass (Bot.), name given to several inconspicuous herbs, which were thought to be a cure for the whitlow, as Saxifraga tridactylites, Draba verna, and several species of Paronychia.

Any kind of spurge (Euphorbia); -- so called from its acrid milky juice.