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Water Hemlock :: Water hemlock () A poisonous plant (/nanthe crocata) resembling the above.

Bloodflower :: Bloodflower (n.) A genus of bulbous plants, natives of Southern Africa, named Haemanthus, of the Amaryllis family. The juice of H. toxicarius is used by the Hottentots to poison their arrows..

Galena :: Galena (n.) A remedy or antidose for poison; theriaca.

Moccasin :: Moccasin (n.) A poisonous snake of the Southern United States. The water moccasin (Ancistrodon piscivorus) is usually found in or near water. Above, it is olive brown, barred with black; beneath, it is brownish yellow, mottled with darker. The upland moccasin is Ancistrodon atrofuscus. They resemble rattlesnakes, but are without rattles..

Arsine :: Arsine (n.) A compound of arsenic and hydrogen, AsH3, a colorless and exceedingly poisonous gas, having an odor like garlic; arseniureted hydrogen..

Irritant :: Irritant (n.) A poison that produces inflammation.

Neurine :: Neurine (n.) A poisonous organic base (a ptomaine) formed in the decomposition of protagon with boiling baryta water, and in the putrefraction of proteid matter. It was for a long time considered identical with choline, a crystalline body originally obtained from bile. Chemically, however, choline is oxyethyl-trimethyl-ammonium hydroxide, while neurine is vinyl-trimethyl-ammonium hydroxide..

Water Hemlock :: Water hemlock () A poisonous umbelliferous plant (Cicuta virosa) of Europe; also, any one of several plants of that genus..

Upas :: Upas (n.) A tree (Antiaris toxicaria) of the Breadfruit family, common in the forests of Java and the neighboring islands. Its secretions are poisonous, and it has been fabulously reported that the atmosphere about it is deleterious. Called also bohun upas..

Avernian :: Avernian (a.) Of or pertaining to Avernus, a lake of Campania, in Italy, famous for its poisonous vapors, which ancient writers fancied were so malignant as to kill birds flying over it. It was represented by the poets to be connected with the infernal regions..

Taxine :: Taxine (n.) A poisonous alkaloid of bitter taste extracted from the leaves and seeds of the European yew (Taxus baccata). Called also taxia.

Narcotine :: Narcotine (n.) An alkaloid found in opium, and extracted as a white crystalline substance, tasteless and less poisonous than morphine; -- called also narcotia..

Presentaneous :: Presentaneous (a.) Ready; quick; immediate in effect; as, presentaneous poison..

Cacodyl :: Cacodyl (n.) Alkarsin; a colorless, poisonous, arsenical liquid, As2(CH3)4, spontaneously inflammable and possessing an intensely disagreeable odor. It is the type of a series of compounds analogous to the nitrogen compounds called hydrazines..

Swam :: Swallowwort (n.) A poisonous plant (Vincetoxicum officinale) of the Milkweed family, at one time used in medicine; -- also called white swallowwort..

Conine :: Conine (n.) A powerful and very poisonous vegetable alkaloid found in the hemlock (Conium maculatum) and extracted as a colorless oil, C8H17N, of strong repulsive odor and acrid taste. It is regarded as a derivative of piperidine and likewise of one of the collidines. It occasions a gradual paralysis of the motor nerves. Called also coniine, coneine, conia, etc. See Conium, 2..

Attry :: Attry (a.) Poisonous; malignant; malicious.

Hellebore :: Hellebore (n.) Any plant of several species of the poisonous liliaceous genus Veratrum, especially V. album and V. viride, both called white hellebore..

Belladonna :: Belladonna (n.) An herbaceous European plant (Atropa belladonna) with reddish bell-shaped flowers and shining black berries. The whole plant and its fruit are very poisonous, and the root and leaves are used as powerful medicinal agents. Its properties are largely due to the alkaloid atropine which it contains. Called also deadly nightshade..

Staggeringly :: Staggerbush (n.) An American shrub (Andromeda Mariana) having clusters of nodding white flowers. It grows in low, sandy places, and is said to poison lambs and calves..

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