Published in JOURNAL OF SOUTH AFRICAN BOTANY, in 1949, in volume 15, pages 1-11
Published in Journal of South African botany, in 1949, in volume 15, pages 13-22
Published in Journal of South African botany, in 1949, in volume 15, pages 23-30
Published in JOURNAL OF SOUTH AFRICAN BOTANY, in 1949, in volume 15, pages 31-33
Published in JOURNAL OF SOUTH AFRICAN BOTANY, in 1949, in volume 15, pages 35-42
Published in Journal of South African botany, in 1949, in volume 15, pages 43-48
Published in JOURNAL OF SOUTH AFRICAN BOTANY, in 1949, in volume 15, pages 49-54
Published in JOURNAL OF SOUTH AFRICAN BOTANY, in 1949, in volume 15, pages 55-57
Published in JOURNAL OF SOUTH AFRICAN BOTANY, in 1949, in volume 15, pages 59-78
Published in Journal of South African botany, in 1949, in volume 15, pages 79-92
Published in Journal of South African botany, in 1949, in volume 15, pages 93-95
Published in Journal of South African botany, in 1949, in volume 15, pages 97-100
Published in JOURNAL OF SOUTH AFRICAN BOTANY, in 1949, in volume 15, pages 101-112
Published in JOURNAL OF SOUTH AFRICAN BOTANY, in 1949, in volume 15, pages 113-114
Published in JOURNAL OF SOUTH AFRICAN BOTANY, in 1949, in volume 15, pages 115-120
Published in JOURNAL OF SOUTH AFRICAN BOTANY, in 1949, in volume 15, pages 121-125