Published in Journal of South African Botany, in 1938, in volume 4, pages 1-11

Published in Journal of South African Botany, in 1938, in volume 4, pages 13-20

Published in Journal of South African Botany, in 1938, in volume 4, pages 21-24

Published in Journal of South African Botany, in 1938, in volume 4, pages 25-30

Published in Journal of South African Botany, in 1938, in volume 4, pages 31-33

Published in Journal of South African Botany, in 1938, in volume 4, pages 35-44

Published in Journal of South African Botany, in 1938, in volume 4, pages 45-46

Published in Journal of South African Botany, in 1938, in volume 4, pages 47-51

Published in Journal of South African Botany, in 1938, in volume 4, pages 51

Published in Journal of South African Botany, in 1938, in volume 4, pages 53-54

Published in Journal of South African Botany, in 1938, in volume 4, pages 55-59

Published in Journal of South African Botany, in 1938, in volume 4, pages 61-63

Published in Journal of South African Botany, in 1938, in volume 4, pages 65-71

Published in Journal of South African Botany, in 1938, in volume 4, pages 73-99

Published in Journal of South African Botany, in 1938, in volume 4, pages 101-103

Published in Journal of South African Botany, in 1938, in volume 4, pages 105-107

Published in Journal of South African Botany, in 1938, in volume 4, pages 109-122

Published in Journal of South African Botany, in 1938, in volume 4, pages 125

Published in Journal of South African Botany, in 1938, in volume 4, pages 127-128

Published in Journal of South African Botany, in 1938, in volume 4, pages 129-141

Published in Journal of South African Botany, in 1938, in volume 4, pages 143-156

Published in Journal of South African Botany, in 1938, in volume 4, pages 157-162