. A manual of poisonous plants, chiefly of eastern North America, with brief notes on economic and medicinal plants, and numerous illustrations. Poisonous plants. 718 ilANUAL OF POISONOUS PLANTS 1. Solanum (Tourn.) L. Nightshade Herbs or shrubs, often with stellate pubescence; flowers in cymose, um- bellate, or racemose clusters; calyx bell-shaped or rotate generally 5-parted or S-cleft, corolla rotate S-lobed or cleft, plaited in the bud; stamens exserted, filaments short inserted on the throat, anthers converging around the style opening at the top; ovary usually 2-celled, stigma small; berr
. A manual of poisonous plants, chiefly of eastern North America, with brief notes on economic and medicinal plants, and numerous illustrations. Poisonous plants. 718 ilANUAL OF POISONOUS PLANTS 1. Solanum (Tourn.) L. Nightshade Herbs or shrubs, often with stellate pubescence; flowers in cymose, um- bellate, or racemose clusters; calyx bell-shaped or rotate generally 5-parted or S-cleft, corolla rotate S-lobed or cleft, plaited in the bud; stamens exserted, filaments short inserted on the throat, anthers converging around the style opening at the top; ovary usually 2-celled, stigma small; berry with persistent calyx at the base or enclosing it; seeds numerous. About 900 species of wide distribution. Several are troublesome weeds as horse nettle {Solatium carolin- ense) and buffalo bur. (6". rostratum). The potato (5". tuberosum) and egg- plant {S. Melongena), are Fig. 418. Common potato {Solanum tuberosum). The potato under some conditions is very poisonous, especially when the tops are green, (I,ois Pammel). Solanum Dulcamara L. Bittersweet A more or less pubescent perennial, stem climbing or straggling, somewhat woody below; leaves petioled ovate or hastate, the upper usually halberd shaped; flowers purple or blue in cymes; berry globose, red. Distribution. Naturalized from Europe, New Brunswick to New Jersey, Pennsylvania, Kansas to Minnesota. Poisonous properties. The plant contains the alkaloid solanin CjgH^gNOjj -|-H,0, with a hot, bitter taste, dulcamarin a bitter principle ^^^^fiio'^^^^z^ and the alkaloids solanidin C^„Hg^NO and solanein C^jHjgNOjg. Chesnut says with reference to this plant: Besides sotanin, ( percent), this plant contains another less poisonous compound, dulcamarin^ which gives it its peculiar bitter-sweet taste. Neither of the compounds is abun- dant. The berry, though its taste is not remarkably disagreeable, is somewhat poisonous, and it has been shown that an extract of the leaves is moderately so. The plant
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