Published in Journal of South African Botany, in 1937, in volume 3, pages 1-35

Published in Journal of South African Botany, in 1937, in volume 3, pages 37-49

Published in Journal of South African Botany, in 1937, in volume 3, pages 51-92

Published in Journal of South African Botany, in 1937, in volume 3, pages 109-116

Published in Journal of South African Botany, in 1937, in volume 3, pages 117-122

Published in Journal of South African Botany, in 1937, in volume 3, pages 123-132

Published in Journal of South African Botany, in 1937, in volume 3, pages 133-141

Published in Journal of South African Botany, in 1937, in volume 3, pages 143-150

Published in Journal of South African Botany, in 1937, in volume 3, pages 151-154

Published in Journal of South African Botany, in 1937, in volume 3, pages 155-164

Published in Journal of South African Botany, in 1937, in volume 3, pages 165-169

Published in Journal of South African Botany, in 1937, in volume 3, pages 171-174

Published in Journal of South African Botany, in 1937, in volume 3, pages 93-102

Published in Journal of South African Botany, in 1937, in volume 3, pages 103-107