250 



OUTLINE OF PLANT GEOGRAPHY 



recent volcanic cones, and in Samoa and Hawaii there are still 

 active craters. 



Fig. 71. — Forest interior, Samoa. Photo., Mrs. D. S. Jordan. 



The low coral islands are evidently recent formations, and 

 incapable of supporting any but a scanty flora which has pre- 

 sumably reached them from outside in recent times. 



