. A manual of poisonous plants, chiefly of eastern North America, with brief notes on economic and medicinal plants, and numerous illustrations. Poisonous plants. EUPHORBIACEAEâRICINUS 595. ^^â y:'i00M^0^' Fig. 330, Castor Oil Plant (Ricinus communis). Furnishes the well known castor oil of commerce. (After Faguet.) The symptoms of poisoning are vomiting, gastric pain, bloody diarrhoea and dullness of vision. Stillmarki states that the toxalbumin of castor oil bean, when injected into the circulation is more poisonous than strychnin, prussic acid, or arsenic. Quite recently Dr. W. N. Bispham ^
. A manual of poisonous plants, chiefly of eastern North America, with brief notes on economic and medicinal plants, and numerous illustrations. Poisonous plants. EUPHORBIACEAEâRICINUS 595. ^^â y:'i00M^0^' Fig. 330, Castor Oil Plant (Ricinus communis). Furnishes the well known castor oil of commerce. (After Faguet.) The symptoms of poisoning are vomiting, gastric pain, bloody diarrhoea and dullness of vision. Stillmarki states that the toxalbumin of castor oil bean, when injected into the circulation is more poisonous than strychnin, prussic acid, or arsenic. Quite recently Dr. W. N. Bispham ^ reported on several cases of poisoning in Cuba from eating the seeds of the Castor oil plant. Some persons showed peculiar susceptibility; in one case poisoning occured from eating a single seed, while in another a good many were eaten; in both cases the seeds caused nausea, vomiting, and purging of a violent nature. Toxic substances similar to ricin occur in the following plants. Abrus precatorius (abrin), Jatropha curcas (curcin), Croton Bluteria {crotin), Robinia Pseudo-Acacia (robin), Brayera anthelmintica (costoxin). According to Ceni and Besta a toxin also occurs in Urtica, Viscum seedlings, Aspergillus flavus, and A. fumigaius. iDorpat. Arch. 3: (1889). 2 Am. Jour. Med. Sci. 126: 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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