. A manual of poisonous plants, chiefly of eastern North America, with brief notes on economic and medicinal plants, and numerous illustrations. Poisonous plants. 702 MANUAL OP POISONOUS PLANTS Distribution. The weed is common in the Mississippi Valley in the moist alluvial bottoms along streams and in fields. It is also found extensively creep- ing over weeds and other herbaceous vegetation and roadsides throughout the state. The species is native to North America and is common from Nova Scotia to Maine, south to North Carolina and Texas to Kansas, Utah, Montana, Minnesota and eastward. It al
. A manual of poisonous plants, chiefly of eastern North America, with brief notes on economic and medicinal plants, and numerous illustrations. Poisonous plants. 702 MANUAL OP POISONOUS PLANTS Distribution. The weed is common in the Mississippi Valley in the moist alluvial bottoms along streams and in fields. It is also found extensively creep- ing over weeds and other herbaceous vegetation and roadsides throughout the state. The species is native to North America and is common from Nova Scotia to Maine, south to North Carolina and Texas to Kansas, Utah, Montana, Minnesota and eastward. It also occurs in Europe and Fig. 405. Bindweed (Con- volvulus sepium.) Supposed to be poisonous to swine. (After Vasey.) Poisonous properties. The plant has a somewhat disagreeable odor. Dr. Schaffner states that it is supposedly poisonous to swine. It is more than likely that some of the same substances are found in hedge bindweed that occur in Jalap. Jalap contains the glucosides convolvulin Cj^Hg^Oj^, jalapin Cg^HggOjg, turpethin Cg^H.^O^g, tampicin C^Ji^fi^^. The rootstock is rich in starch. Convolvulus arvensis L. European Bindweed A deep-rooting perennial; procumbent stem, twining or creeping; propagates freely by underground rootstocks; the leaves from 1 to 2 inches long, ovate, oblong, arrow-shaped, the lobes at the base running to a point; the flowers are borne in 1-flowered peduncles with very small leaf-like bracts some distance from the flowers; flowers an inch or less long, short; broadly funnel-shaped, white, or commonly of a rose tinge. Distribution. This weed has been known for a considerable length of time in eastern North America, where it has been sparingly naturalized for some time. Its distribution may be given as Nova Scotia to Ontario, New Jersey, Nebraska and Kansas. Poisonous properties. Probably the same as the preceding. European au- thorities list this and the common morning glory, especially the latter, as somewhat poisonous because of their pur'
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