. A manual of poisonous plants, chiefly of eastern North America, with brief notes on economic and medicinal plants, and numerous illustrations. Poisonous plants. COMPOSITAE-THISTLE FAMILY - RAGWEED 765 filiform chaff; corolla funnelform, S-toothed, anthers but slightly united; achenes ovoid. The twelve species are mostly native of North America. Ambrosia trifida L. Great Ragweed, Ironweed A stout, scabrous, hispid or nearly glabrous annual, 3-12 feet high; leaves opposite and petioled, 3-nerved, deeply 3-S-lobed, the lobes ovate, lanceolate and serrate, the upper leaf sometimes ovate and undi
. A manual of poisonous plants, chiefly of eastern North America, with brief notes on economic and medicinal plants, and numerous illustrations. Poisonous plants. COMPOSITAE-THISTLE FAMILY - RAGWEED 765 filiform chaff; corolla funnelform, S-toothed, anthers but slightly united; achenes ovoid. The twelve species are mostly native of North America. Ambrosia trifida L. Great Ragweed, Ironweed A stout, scabrous, hispid or nearly glabrous annual, 3-12 feet high; leaves opposite and petioled, 3-nerved, deeply 3-S-lobed, the lobes ovate, lanceolate and serrate, the upper leaf sometimes ovate and undivided; flowers monoecious,. Fig. 442. Ambrosia showing flowering stalk, pistils, stamens, and longi- tudinal sections of stamens in perianth and ovary. (After Faguet).. 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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Keywords: ., book, bookcentury1900, bookdecade1910, booksubjectpoisonousplants
