. Textbook of pastoral and agricultural botany, for the study of the injurious and useful plants of country and farm. properties. Apoisonous glucoside hederin(C64H104O19) and a resin is foundin the English ivy. Thesymptoms produced in childrenwere diarrhoea, nervous symp-toms resembling those of intoxica-tion, excitement at first,then coma,convulsions, uncertain gait, ster-torous respiration and paralysis. Water Hemlock, OregonHemlock and European Hemlock(Cicuta maculata, C. vagans andC. virosa). Description.—These plants ofthe family Umbellifer^(Apiace^) are also known ascowbane, musquash roo
. Textbook of pastoral and agricultural botany, for the study of the injurious and useful plants of country and farm. properties. Apoisonous glucoside hederin(C64H104O19) and a resin is foundin the English ivy. Thesymptoms produced in childrenwere diarrhoea, nervous symp-toms resembling those of intoxica-tion, excitement at first,then coma,convulsions, uncertain gait, ster-torous respiration and paralysis. Water Hemlock, OregonHemlock and European Hemlock(Cicuta maculata, C. vagans andC. virosa). Description.—These plants ofthe family Umbellifer^(Apiace^) are also known ascowbane, musquash root, musk-rat weed. The American cow-bane, Cicuta maculata, has tuberous rootstocks from which arise inswampy situations a stem one to two meters tall bearing twice to thricecompound leaves. The leaf segments are lanceolate, or ellyptic-lanceolate,acuminate, coarsely serrate. The flowers are white borne in compoundumbels s^ibtended by linear-subulate bracts. This species ranges fromNew Brunswick to Manitoba to Virginia and Texas. The westernspecies, Cicuta vagans, is found about lakes, in wet meadows and swamps. Fig. 35.—Water hemlock {Cicuta occi-dentalis). One-half natural size. {AfterHall, Harvey M. and Gates, Harry S.: StockPoisoning Plants of California AgriculturalExperiment Station, 1915, p. 223.) gg PASTORAL AND AGRICULTURAL BOTANY from British Columbia, Montana, Idaho to California. Besides Cicuta vi-osa, the European species, and the above-mentioned, the followmg speciesof Cicuta have been reported as poisonous: C. bulbifera, C. Bolanderi, (Fig. 35), C. californica, C. CurUsii, C. Douglasii, C. purpurea,and C. tenuifolia. Cases and Symptoms.—The number of cases of cowbane poisomng mEurope has been large. In this country also, especially in the East, thenumber of cases reported by physicians has been considerable. Thewriters personal acquaintance with poisoning by the cowbane of theeastern states, Cicuta maculata, began with the receipt of specimens
Size: 1324px × 1887px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., book, bookcentury1900, bookdecade1920, booksubjectpoisonousplants
