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By: Salter, T M - Obermeijer, A A - Bremekamp, Cornelis Eliza Bertus, - Compton, R. H.Type: ArticleIn: Journal of South African botanyVolume: 2Series:Issue:Date: 1936Page Range: 145--169Publication Info: Kirstenbosch National Botanic Gardens of South AfricaSubjects: