LIST OF CONTRIBUTORS. 



F. E. Fritsch. page 



Contributions to our Knowledge of the Freshwater Algae of Africa. 



Figures 1—43 483 



J. Hutchinson & H. H. W. Pearson. 



List of Plants collected in the Percy Sladen Memorial Expeditions, 



1908 — 11, continued (Compositae). Figures 1 — 16 355 



J. Hutchinson & E. P. Phillips. 



A revision of the genus Pteronia (Compositae) 277 



H. H. W. Pearson. 



On the Collections of Dried Plants obtained in South-West Africa by 



the Percy Sladen Memorial Expeditions, 1908—1911. With Map . 1 

 Itinerary of the Percy Sladen Memorial Expedition to the Orange River. 



1910-1911 21 



List of Plants collected in the Percy Sladen Memorial Expeditions, 



1908—1909, 1910-1911 30 



List of Plants collected in the Percy Sladen Memorial Expeditions, 



1908—1909, 1910—1911. September 1911. Note on the localities 



visited by the Percy Sladen Memorial Expedition to the Khamies- 



berg, Giftberg, and Oliphant's River Mountains, September 1911. 



Plates III— V & one Text figure 129 



List of Plants collected in the Percy Sladen Memorial Expeditions, 



1908—1909, 1910-1911. Plates VI— VIII 193 



E. P. Phillips. 



A Contribution to the Knowledge of the South Africa Proteaceae. No. 1. 



One text figure 91 



A List of the Phanerogams and Ferns collected by Mr. P. C. Kettel 



on the Island of Tristan da Cunha, 1908—1909 96 



Descriptions of new plants from the Gift Berg collected by the Percy 



Sladen Memorial Expedition 104 



Note on a Leucadendron found on the Cape Peninsula 107 



Contributions to the Flora of South Africa No. 1 Ill 



A Contribution to the Knowledge of the South African Proteaceae. No. 2 273 



A Contribution to the Knowledge of the South African Proteaceae. No. 3 331 



Contributions to the flora of South Africa. No. 2 . . . . ... 337 



A Revision of the South African Material of the Genus Cyphia. Berg . 449 



The genus Calpurnia, E. Met. (Leguminosae) 475 



G. S. West. 



Fresh- Water Algae. Plates I -II 61 



