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A kind of catchfly of the genus Silene; also, a poisonous mushroom (Agaricus muscarius); fly agaric.

t.), an annual umbelliferous plant (Æthusa Cynapium) resembling parsley, but nauseous and poisonous. -- To make a fool of, to render ridiculous; to outwit; to shame. [Colloq.] -- To play the fool, to act the buffoon; to act a foolish part. "I have played the fool, and have erred exceedingly." 1 Sam. xxvi. 21.…

Mineral. -- Mountain green. See Green earth, under Green, a. -- Paris green (Chem.), a poisonous green powder, consisting of a mixture of several double salts of the acetate and arsenite of copper. It has found very extensive use as a pigment for wall paper, artificial flowers, etc., but particularly as an extermina…

Having a peculiar or characteristic hand. As poisonous tongued as handed. Shak.

öl.) See Magpie Moth. -- Harlequin opal. See Opal. -- Harlequin snake (Zoöl.), a small, poisonous snake (Elaps fulvius), ringed with red and black, found in the Southern United States.

al herbs (Helleborus) of the Crowfoot family, mostly having powerfully cathartic and even poisonous qualities. H. niger is the European black hellebore, or Christmas rose, blossoming in winter or earliest spring. H. officinalis was the officinal hellebore of the ancients.

A poisonous glucoside accompanying helleborin in several species of hellebore, and extracted as a white crystalline substance with a bittersweet taste. It has a strong action on the heart, resembling digitalin.

A poisonous glucoside found in several species of hellebore, and extracted as a white crystalline substance with a sharp tingling taste. It possesses the essential virtues of the plant; -- called also elleborin.

The name of several poisonous umbelliferous herbs having finely cut leaves and small white flowers, as the Cicuta maculata, bulbifera, and virosa, and the Conium maculatum. See Conium.

A plant of the genus Hyoscyamus (H. niger). All parts of the plant are poisonous, and the leaves are used for the same purposes as belladonna. It is poisonous to domestic fowls; whence the name. Called also, stinking nightshade, from the fetid odor of the plant. See Hyoscyamus.

(Bot.), an Old World plant related to the trillium (Paris quadrifolia), commonly reputed poisonous. -- Herb Robert (Bot.), a species of Geranium (G. Robertianum.)

Dipped in the gall of the fabulous hydra; poisonous; deadly. Cowper.

substance, with a sharp, offensive taste. Hyoscyamine is isomeric with atropine, is very poisonous, and is used as a medicine for neuralgia, like belladonna. Called also hyoscyamia, duboisine, etc.

A genus of poisonous plants of the Nightshade family; henbane.

hus Toxicodendron), with trifoliate leaves, and greenish-white berries. It is exceedingly poisonous to the touch for most persons. -- To pipe in an ivy leaf, to console one's self as best one can. [Obs.] Chaucer. -- West Indian ivy, a climbing plant of the genus Marcgravia.

The poisonous thorn apple or stramonium (Datura stramonium), a rank weed early noticed at Jamestown, Virginia. See Datura.

A poisonous serpent of Brazil (Bothrops jararaca), about eighteen inches long, and of a dusky, brownish color, variegated with red and black spots.

A poisonous alkaloid resembling veratrine, and found with it in white hellebore (Veratrum album); -- called also jervina.

A genus of North American shrubs with poisonous evergreen foliage and corymbs of showy flowers. Called also mountain laurel, ivy bush, lamb kill, calico bush, etc.

A poisonous alkaloid found in the unripe seeds of the laburnum.