xxiv + 520pp., 4to., maps, b/w & colour illus., marbled endpapers, a.e.g., full leather a little worn, unnumbered copy of the subscriber's edition limited to 500 copies, Johannesburg, 1950
Inscribed by the author to Professor R.H. Compton, then director of the Kirstenbosch National Botanical Garden: "with my sincere thanks and deep gratitude for all you have contributed towards the publication of this work."