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An alkaloid found in jaborandi leaves, from which it is extracted as a white amorphous substance. In its action it resembles atropine.

An alkaloid said to be contained in the bark of Geoffroya inermis, a leguminous tree growing in Jamaica and Surinam; -- called also jamacina. Watts.

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

An alkaloid found in the leaves of the walnut (Juglans regia).

A pale buff or white crystalline alkaloid derived from quinoline, and used as an antipyretic in medicine.

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

An alkaloid found in opium in small quantities, and extracted as a white crystalline substance.

An animal base or alkaloid, appearing in the tissue during life; hence, a vital alkaloid, as distinguished from a ptomaine or cadaveric poison.

A poisonous narcotic alkaloid extracted from the leaves of Indian tobacco (Lobelia inflata) as a yellow oil, having a tobaccolike taste and odor.

An alkaloid found in several species of lupine (Lupinus luteus, L. albus, etc.), and extracted as a bitter crystalline substance.

An alkaloid extracted from hops as a colorless volatile liquid.

Any one of several metameric alkaloids, C5H3N.(CH3)2, of the pyridine series, obtained from bone oil as liquids, and having peculiar pungent odors. These alkaloids are also called respectively dimethyl pyridine, ethyl pyridine, etc.

An alkaloid found in opium, and extracted as a yellow amorphous substance which is easily decomposed.

stalline substance. Also erroneously called meconina, meconia, etc., as though it were an alkaloid.

An alkaloid distinct from picrotoxin and obtained from the cocculus indicus (the fruit of Anamirta Cocculus, formerly Menispermum Cocculus) as a white, crystalline, tasteless powder; -- called also menispermina.

A bitter white crystalline alkaloid found in opium, possessing strong narcotic properties, and much used as an anodyne; -- called also morphia, and morphina.

A toxic alkaloid (ptomaine) obtained from putrid flesh and from herring brines. As a poison it is said to execute profuse diarrhoea, vomiting, and intestinal inflammation. Brieger.

An alkaloid found in small quantities in opium, and extracted as a white crystalline substance of a bitter astringent taste. It is a narcotic. Called also narceia.

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

An alkaloid which is the active principle of tobacco. It is a colorless, transparent, oily liquid, having an acrid odor, and an acrid burning taste. It is intensely poisonous. Ure.