CONTENTS 



i HAPTER XXX 

 I III-; VIVIPAROUS MANGROVES "I FIJI 



KlUZOPHOKA AND BRUGUIERA 



Rhizophora. — Represented by Rhizophora mucronata, Rhizophora in.. 



the Selala, a seedless intermediate form. — Their mode of association , 

 characters. — The relation of the Selala. — Polyembryony.-— The hi 

 the plant between the fertilisation of the ovule and the detachment of the 

 seedling. — Absence of a rest period. — Mode of detachment of the seedling. — 

 Capacity for dispersal by the currents. — Bruguiera. — The mode of 

 persal. — Peculiar method of fertilisation.— Length of period between 

 fertilisation and the detachment of the seedling. — Mode of detachment of 

 the seedling. —Summary Pages 44° 



CHAPTER XXXI 



A CHAPTER OX VIVIPARY 



The significance of vivipary. — The scale of germinative capacity. — A lost hi 

 with many inland plants. — The views of Goebel. — The shrinking in the 

 course of ages of tropical swamp areas. — The variation in the structures 

 concerned with vivipary.— Abnormal vivipary. — Summary. 



l\ly 



CHAPTER XXXI I 



THE WEST COAST OF SOUTH AMERICA 



The littoral floras of tin West Coast of South America. — The ( ilus 



soldanella zone of Southern Chile. — The plantless or desert 

 Northern Chile. — The Sesuvium zone of Peru. The Mangro i 

 Ecuador and Colombia. — The two varieties of Rhizophora mangle, the 

 "mangle chico"and the "mangle grande." — The floating vegetal 

 of the Guayaquil River.- The Humboldt current and the climati 

 West Coast of South America. — The advance northward of the 

 climatic conditions of the Peruvian sea-border.- The retreat of the man- 

 j roves. — Evidence of ancient coral reefs on the i oasl <■( leu: 

 plants and stranded seed-drift of the Panama Isthmus. Sum ma 



501 



