BOLUS (Harry).
The Orchids of the Cape Peninsula
An offprint from the Transactions of the South-African Philosophical Society, 1888, Vol. V, Part I.
Bolus was the first orchidologist based in Cape Town. This volume was a precursor to his three volume work Icones Orchidearum Austro-Africanorum Extratropicarum, published between 1893 and 1917. Nissen BBI, 197.