6 books
Flora of Tropical Africa, Vol. 6: Oleaceæ to Gentianeæ (Classic Reprint)
A Course of Practical Instruction in Botany. Part I. Phanerogamae - Pteridophyta
A Course of Practical Instruction in Botany, Part I
Flora of Tropical Africa, Vol. 5: Acanthaceæ to Plantagineæ (Classic Reprint)
Flora Capensis, Vol. 7: Being a Systematic Description of the Plants of the Cape Colony, Caffraria, and Port Natal and Neighbouring Territories (Classic Reprint)
Flora of Tropical Africa