. A manual of poisonous plants, chiefly of eastern North America, with brief notes on economic and medicinal plants, and numerous illustrations. Poisonous plants. 722 MANUAL OF POISONOUS PLANTS Solanum triflorum Nutt. Three-flowered Nightshade Annual, low spreading, slightly hairy or nearly glabrous; leaves acute; pinnatifid, 7-9 lobed; peduncles 1-3 flowered; corolla white; berries greenish or inclined to blackish, about the size of a small cherry; pedicels reflexed in fruit. Distribution. On the plains, and waste places from Nebraska and Kansas to Northwest Territory and Arizona; introduced
. A manual of poisonous plants, chiefly of eastern North America, with brief notes on economic and medicinal plants, and numerous illustrations. Poisonous plants. 722 MANUAL OF POISONOUS PLANTS Solanum triflorum Nutt. Three-flowered Nightshade Annual, low spreading, slightly hairy or nearly glabrous; leaves acute; pinnatifid, 7-9 lobed; peduncles 1-3 flowered; corolla white; berries greenish or inclined to blackish, about the size of a small cherry; pedicels reflexed in fruit. Distribution. On the plains, and waste places from Nebraska and Kansas to Northwest Territory and Arizona; introduced eastward. Poisonous properties. Prof. Chesnut says experiments on guinea pigs show that the berries are poisonous. No cases of human poisoning have been re- ported. The berry is not attractive to the eye, but has an agreeable odor and taste. It is therefore to be suspected in cases of poisoning which occur in localities where the weed is abundant. The writer has also received complaints of the poisoning by this plant from Nebraska and other western states. The active constituent is, no doubt, solanin. Solanum rostratum Dunal. Buffalo Bur. Sand Bur Herbaceous, woody when old; somewhat hoary or yellowish; 8 inches to 2 feet high; covered with copious stellate pubescence; the branches and stems covered with sharp yellow prickles; leaves somewhat melon like, 1-3 times. Fig. 422. Buffalo Bur (.Solatium rastratum). a, branches of the plant with burs; b, yellow flowers; c and d, seeds; c, very much enlarged; d, natural size. The prickles mechanical injuries to Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Pammel, L. H. (Louis Hermann), 1862-1931. Cedar Rapids, Ia. , The Torch Press
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