Browsing 1939 Onderstepoort Journal of Veterinary Science and Animal Industry, Volume 12, 1939 by Subject "Poisonous plants"

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Recent investigations into the toxicity of known and unknown poisonous plants in the Union of South Africa IX

Van der Walt, S.J.; Steyn, Douw G.; Du Toit, P.J. (Pretoria : Government Printer, 1939)

The toxicity of thirty-three plants was investigated. According to the available literature the following ten plants were proved for the first time to be toxic: Lotononis laxa, Cotyledon coruscans, Cotyledon campanulata, ...
The Senecio alkaloids Part I : the isolation of isatidine from Senecio retrorsus and Senecio isatideus

De Waal, H.L.; Du Toit, P.J. (Pretoria : Government Printer, 1939)

Isatidine has been isolated not only from S. isatideus D.C. but also from S. retrorsus D.C., not hitherto observed by other workers. S. retrorsus contains as its main alkaloid retrorsine, accompanied by isatidine in lesser ...

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