. A manual of poisonous plants, chiefly of eastern North America, with brief notes on economic and medicinal plants, and numerous illustrations. Poisonous plants. 792 MANUAL OF POISONOUS PLANTS Distribution. Common in the northern Mississippi Valley, now widely scattered east to Nova Scotia aijd south to Kentucky. Artemisia tridentata Nutt. From 2-12 feet high, much branched, silvery canescent; leaves cuneate, -obtusely 3-toothed or 3-lobed, or 4-7 toothed at the summit, upper leaves cune- ate-linear; heads homogamous; flowers all perfect and fertile; heads densely paniculate; 5-8 flowers. Dis
. A manual of poisonous plants, chiefly of eastern North America, with brief notes on economic and medicinal plants, and numerous illustrations. Poisonous plants. 792 MANUAL OF POISONOUS PLANTS Distribution. Common in the northern Mississippi Valley, now widely scattered east to Nova Scotia aijd south to Kentucky. Artemisia tridentata Nutt. From 2-12 feet high, much branched, silvery canescent; leaves cuneate, -obtusely 3-toothed or 3-lobed, or 4-7 toothed at the summit, upper leaves cune- ate-linear; heads homogamous; flowers all perfect and fertile; heads densely paniculate; 5-8 flowers. Distribution. From Montana and Colorado westward covering immense areas. The characteristic sage brush; similar species are the A. trifida, Nutt, a smaller plant common westward, and the A. arhuscula, Nutt., also a dwarf â plant found in the high mountains and elevated plains; the A. cana, Pursh, from 1-2 feet high; silvery canescent leaves; found from Saskatchewan to Dakota, Montana and Colorado. Poisonous properties. The sage brush is consumed by sheep and cattle,. Fig. 454. Wormwood. {Artemisia biennis). A com- mon weed in the Mississippi Valley. Ada 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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