. A manual of poisonous plants, chiefly of eastern North America, with brief notes on economic and medicinal plants, and numerous illustrations. Poisonous plants. IMPORTANT POISONOUS PLANTS 139 and we may well in the absence of evidence suspicion this ; The aster is confined to Gumbo clay soil intermixed with gravel and soil that contains more or less alkali and other salts. Dr. O. L. Prien is investigating the Fig. 19m. Fetid Marigold (.Dysodia chrysanthlemoides). Pungent odor said to be injuri- ous. (Charlotte M. King). Fig. 19n. Dog Fennel (Anthemis cotula). Contains a pi


. A manual of poisonous plants, chiefly of eastern North America, with brief notes on economic and medicinal plants, and numerous illustrations. Poisonous plants. IMPORTANT POISONOUS PLANTS 139 and we may well in the absence of evidence suspicion this ; The aster is confined to Gumbo clay soil intermixed with gravel and soil that contains more or less alkali and other salts. Dr. O. L. Prien is investigating the Fig. 19m. Fetid Marigold (.Dysodia chrysanthlemoides). Pungent odor said to be injuri- ous. (Charlotte M. King). Fig. 19n. Dog Fennel (Anthemis cotula). Contains a pimgent principle. Rudbeckia lacinata L. Cone-flower. In moist grounds throughout the north. Dr. Schaffner says it is supposed to be poisonous to sheep. Bidens frondosa L. Black Beggar-ticks. Common in the north. The downwardly barbed awns are irritating. Coreopsis discoidea T. & G. Small Beggar-ticks. Very common in the east. It is a local irritant. Helenium autumnale L. Sneezeweed. It is common in low grounds throughout Iowa and is used by the Indians to produce sneezing. The whole plant and flowers are poisonous to cattle and sheep. Helenium tenuifolium Nutt. 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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