. A manual of poisonous plants, chiefly of eastern North America, with brief notes on economic and medicinal plants, and numerous illustrations. Poisonous plants. 716 MANUAL OF POISONOUS PLANTS. Fig, 416. Sleeping or Deadly Night-shade {Atropa Belladonna). Tip of flowering and fruiting branch; entire fruit; cross section of fruit; corolla cut open and spread out. Source of the belladonna of commerce. (From Ves- que's Traite de Botanique). elegans are frequently cultivated. The odor from the flowers of the latter is very overpowering. The berries of C. pallidum, are said to be poisonous, but bi
. A manual of poisonous plants, chiefly of eastern North America, with brief notes on economic and medicinal plants, and numerous illustrations. Poisonous plants. 716 MANUAL OF POISONOUS PLANTS. Fig, 416. Sleeping or Deadly Night-shade {Atropa Belladonna). Tip of flowering and fruiting branch; entire fruit; cross section of fruit; corolla cut open and spread out. Source of the belladonna of commerce. (From Ves- que's Traite de Botanique). elegans are frequently cultivated. The odor from the flowers of the latter is very overpowering. The berries of C. pallidum, are said to be poisonous, but birds have scattered the plant very widely in the tropics. Petunia violacea, Lycium halimifolium and L. chinense are cultivated. The Duboisia myoporoides of Australia is a tall shrub, its leaves having narcotic properties and containing the substance duboisin, a mixture of hyoscyamin and atropin producing an ac- tion like that of hyoscyamus but more hypnotic. According to Maiden this plant is poisonous to stock. Other species like D. Leichardtii contain the same sub- stance. The piturie (D. Hopwoodii) contains a liquid volatile alkaloid piturin CgHjN resembling nicotin. The natives mix the piturie leaves with the ashes of some other plant and chew them like tobacco. In its action it resembles nicotin. The scopola {Scopolia carniolica) of Austria and Hungary, is a perennial herb used Uke Belladonna in medicine. The leaves and rhizomes of this species and S. japonica are poisonous. The S. carniolica plant contains atropin CjjHjjNO^, hyoscyamin and scopalamin. The latter substance is broken up into scopolin CgH^^NOj and tropic acid C^H^^Og. The hyoscin C^^H^gNOj is impure scopolamin. Scopalin causes dilation of the pupils; the heart action is at first diminished, then increased, due to the stimulation of the imhibitory nervous apparatus. The pichi used in kidney troubles is the dried leafy twigs of the Chilian shrub (Pabiana imbricata). The tree tomato (Cyphomandra betacea) produces
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