Chap. VI] EDAPHIC INFLUENCES IN THE TROPICS 



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dendron inerme, Ximenia americana, Wollastonia, and other plants become 

 like ordinary leaves ; many marked halophytic species, such as Barring- 

 tonia speciosa, Scaevola, Wollastonia, Tourncfortia, gradually become 

 scarcer, whereas inland forms become somewhat more numerous.' 



Fig. 214. Interior of a littoral forest. Pandanns as underwood. Island of Singapore. 

 From a photograph by P. Groom. 



I have observed in the littoral woodland of Java and of the neighbouring small 

 coral islands the following species of trees : Cycas circinalis, Pandanus (several 

 species;, Casuarina equisetifolia, Calophyllum Inophyllum (Guttiferae), Cerbera 

 Odollam (Apocynaceae), Hibiscus tiliaceus and Thespesia populnea (Malvaceae), 

 Terminalia Catappa (Combretaceae), Hernandia peltata (Hernandiaceae), Heritiera 

 littoralis (Sterculiaceae), various Leguminosae (Inocarpus edulis, species of Albizzia, 

 Cynometra, Erythrina, Pongamia glabra, Sophora tomentosa, and others). The 

 number of species of shrubs is iar greater; for example, Pandanus (several species), 



