TABLE OF CONTENTS 
Bolus, H. M. L. In Memoriam — H. G. Flanagan ..... 
Delf, E. Marion and Michell, Margaret R. The Tyson Collection of 
Marine Algae 
Dummer, R. A. Notes on Acmadenia, B. and W., with a description of 
one new species and one new variety ...... 
Dummer, R. A. A note on, and a description of four new species and two 
new varieties of the genus Adenandra ...... 
Dummer, R. A. A further contribution to our knowledge of the genus 
Agathosma ........... 
Garside, S. The Pollination of Satyrium bicallosum, Thunb. . 
Marloth, R. Notes on the function of the staminal and staminodal 
glands of Adenandra ......... 
Michell, Margaret R. and Delf, E. Marion. The Tyson Collection of 
Marine Algae ....... 
Novitates Africanae ...... 
Reviews ........ 
Schonland, S. A new genus of Crassulaceae 
Schonland, S. In Memoriam — W. Tyson 
Wordsworth, R., Hutchinson, J., Bolus, F., and Bolus, L. Percy 
Sladen Memorial Expedition to South-West Africa, Dec.-Jan. 1915- 
1916. — List of Plants collected 
PAGE 
185 
89 
86 
40 
44 
147 
38 
89 
1, 70, 123, 159 
63, 155 
67 
. 120 
15 
