. A manual of poisonous plants, chiefly of eastern North America, with brief notes on economic and medicinal plants, and numerous illustrations. Poisonous plants. Fig. 233. Buttercup (,Ran- KHcd/fu acrisy. The juice of this plant has acrid prop- erties. (Ada Hayden.) Fig. 234. Small-flowered Crowfoot {Ranunculus abor- tivus'). The leaves cause blis- tering. (Ada Hayden.) According to Basiner, the oil of Ranunculus acts, in warm-blooded animals, as an acrid narcotic, producing, in small doses, stupor and slow respiration; • in larger doses, also, paralysis of the posterior and anterior extremit


. A manual of poisonous plants, chiefly of eastern North America, with brief notes on economic and medicinal plants, and numerous illustrations. Poisonous plants. Fig. 233. Buttercup (,Ran- KHcd/fu acrisy. The juice of this plant has acrid prop- erties. (Ada Hayden.) Fig. 234. Small-flowered Crowfoot {Ranunculus abor- tivus'). The leaves cause blis- tering. (Ada Hayden.) According to Basiner, the oil of Ranunculus acts, in warm-blooded animals, as an acrid narcotic, producing, in small doses, stupor and slow respiration; • in larger doses, also, paralysis of the posterior and anterior extremities, and, before death, convulsions of the whole body. The acrid action is shown by a corrosive gastritis and by hyperaemia of the kidneys, more particularly of their cortical substance. Anemonin causes similar symptoms, but is followed by no convulsions, nor does it irritate sufficiently to corrode the organs, as the oil does. Dr. Millspaugh mentions especially the R. bulhosus as having a peculiarly powerful irritant action upon the skin, whether applied locally or internally. Murray states that a slice of the fresh root (bulb?) placed in contact with the palmar surface of a finger brought on pain in two minutes; when taken off, the skin was found without signs of extra circulation or irritation, and the itching and heat passed away; in two hours it nevertheless returned again, and in ten hours a serious blister had formed, followed by a bad ulcer, which proved very difficult to 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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