CONTENTS ' xxi 



CHAPTER XVI 



THE RELATION BETWEEN LITTORAL AND INLAND PLANTS {continued) 



The Fijian difficulty. — Inland species of a genus possessing fruits not known 

 to have any means of" dispersal through agencies now at work in the 

 Pacific. — Pandanus. — Its remarkable distribution in oceanic groups. — To 

 be attributed perhaps to extinct Columbce or extinct Struthious birds. — 

 Barringtonia. — Guettarda. — Eugenia. — Drymispermum. — Acacia laurifolia. 

 — Conclusions to be drawn from the discussion. — Summary of Chapters 

 XIV., XV., XVI Pages \S%—\bc) 



CHAPTER XVII 



THE STORIES OF AFZELIA BIJUGA, ENTADA SCANDENS, AND C/ESALPINIA 



BONDUCELLA 



Afzelia bijuga. — The African home of the genus. — The double station of Afzelia 

 bijuga, inland and at the coast. — The nature of the buoyancy of its seeds. — 

 Summary relating to Afzelia bijuga. — Entada scandens. — Its station and 

 distribution. — Darwin's opinion of the plant. — The dispersal of its seeds by 

 the currents. — Summary relating to the plant. — C^salpinia bonducella and 

 C. bonduc. — Their station and distribution. — Their characters in various 

 Pacific groups. — The parents of inland species. — Their dispersal by the 

 currents. — The germination of their seeds. — A dream of vivipary. — The 

 causes of the seed-buoyancy. — Summary of results . . . Pages iyo—i()j 



CHAPTER XVIII 



THE ENIGMAS OF THE LEGUMINOS.E OF THE PACIFIC ISLANDS 



Leguminosse predominate in tropical littoral floras. — The anomalies of their 

 distribution in the Pacific islands. — They conform to no one rule of dis- 

 persal or of distribution. — Strangers to their stations. — The American home 

 of most of the Leguminous littoral plants. — Summary . . Pages ig?, — 203 



CHAPTER XIX 



the inland plants of the pacific islands 



Preliminary Comparison of the Physical Conditions of Hawaii, 



Fiji, and Tahiti 



Introductory remarks. — The tranquil working of the winds and currents con- 

 trasted with the revolutionary influence of the bird. — The Hawaiian, Fijian, 

 and Tahitian groups. — Their surface-ai'eas and elevations. — Their climates. 

 — The mountain cHmate of Hawaii. — The rainfall of the three groups. — 

 Summary Pages 204 — 219 



