Literature Cited
- Solms , H. Graf Zu. 1889 . —“Rafflesiaceae” and “Hydnoraceae” in Engler and Prantl, ‘Pflanzenfamilien,’ III Teil. Ab.1
- Guignard , L. “ —“Recherches d'embryogénie végétale Comparée. I: Legumineuses,” . 1881. (In Counter and Chamberlain's ‘Morphology of Angiosperms.’)
- Marloth , R. 1907 . “Notes on the Morphology and Biology of Hydnora africana” . ‘Trans. S. Afr. Philos. Soc.,’ , xvi Part v
- Coulter and Chamberlain . 1912 . —‘Morphology of Angiosperms,’