Published in Journal of South African botany, in 1941, in volume 7, pages 1-18

Published in Journal of South African botany, in 1941, in volume 7, pages 19-59

Published in Journal of South African botany, in 1941, in volume 7, pages 61-76

Published in Journal of South African botany, in 1941, in volume 7, pages 77-87

Published in Journal of South African botany, in 1941, in volume 7, pages 89-91

Published in Journal of South African botany, in 1941, in volume 7, pages 93-101

Published in Journal of South African botany, in 1941, in volume 7, pages 103-114

Published in Journal of South African botany, in 1941, in volume 7, pages 115-130

Published in Journal of South African botany, in 1941, in volume 7, pages 131-134

Published in Journal of South African botany, in 1941, in volume 7, pages 135-137

Published in Journal of South African botany, in 1941, in volume 7, pages 139-143

Published in Journal of South African botany, in 1941, in volume 7, pages 153-158

Published in Journal of South African botany, in 1941, in volume 7, pages 159-162

Published in Journal of South African botany, in 1941, in volume 7, pages 163-168

Published in Journal of South African botany, in 1941, in volume 7, pages 169-172

Published in Journal of South African botany, in 1941, in volume 7, pages 173-186

Published in Journal of South African botany, in 1941, in volume 7, pages 187-208

Published in Journal of South African botany, in 1941, in volume 7, pages 209-211

Published in Journal of South African botany, in 1941, in volume 7, pages 213