. A manual of poisonous plants, chiefly of eastern North America, with brief notes on economic and medicinal plants, and numerous illustrations. Poisonous plants. 562 MANUAL OF POISONOUS PLANTS. Fig. 310. Loco Weed {Asirasalus mollissimus). Charlotte M. King 16. Astragalus L,. Milk Vetch Chiefly perennial herbs with odd pinnate or occasionally simple leaves, with stipules; flowers spicate or racemose; calyx 5-toothed, tubular; corolla clawed, usually long and narrow; standard erect, wings oblong; keel nearly as long as the wings; stamens diadelphous; pod several to many-seeded, dehiscent or in
. A manual of poisonous plants, chiefly of eastern North America, with brief notes on economic and medicinal plants, and numerous illustrations. Poisonous plants. 562 MANUAL OF POISONOUS PLANTS. Fig. 310. Loco Weed {Asirasalus mollissimus). Charlotte M. King 16. Astragalus L,. Milk Vetch Chiefly perennial herbs with odd pinnate or occasionally simple leaves, with stipules; flowers spicate or racemose; calyx 5-toothed, tubular; corolla clawed, usually long and narrow; standard erect, wings oblong; keel nearly as long as the wings; stamens diadelphous; pod several to many-seeded, dehiscent or in- dehiscent; 1-2 celled. A large genus of about 1000 species of wide distribution in the United States, largely western. Several species are used in medicine. One plant is widely known as the loco weed. One species native to gravelly knolls or dry places of the Mississippi Valley is known as the ground plum or hog pea {A. caryocarpus). This species is said to be edible. It should, how- ever, be used with caution. Astragalus mollissimus Torr. Loco Weed A stout, short-stemmed perennial with membraneous stipules; leaflets 19-27, ovate oblong; flowers in dense spikes, violet purple, rather large; pod oblong, glabrous somewhat compressed, sessile, furrowed at both sutures, at length curved. Distribution. Found on plains of Nebraska, Kansas, Colorado to Texas and New 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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