Limited to 20 copies. Number 9 out of 20. A sub-division of the genus, into two sections and fourteen sub-sections, based mainly upon characters of the fruit, has been proposed. A short taxonomic history of the genus and brief biographical notes on the collectors of type material are included.
Pub: The Bolus Herbarium, UCT. 1972
Hardcover with leather bound spine and corners. Very good condition. Faded gilt lettering to the spine.