ILLUSTBATIONS 



PHOTOGRAPHS 



Pure forest of Acacia Seyal on cotton soil, Blue Nile, Sudan 



Mixed forest with Anogeissus leiocarpus, Lonchocarpus laxi 

 florus, etc., on limey soil, Blue Nile, Sudan 



Acacia tortilis upset by wind on sandy soil, Northern Sudan 



Arid zone forest ; Acacia Verek in Kordofan, Sudan 



Moist zone evergreen forest in Ceylon ; Mimusops hexandra 

 in foreground ....... 



Wet zone undergrowth in a Ceylon forest . 



Wet zone ; forest of Dipterocarpus in Ceylon 



Wet zone ; buttressed tree, Tetrameles nudiflora, Ceylon 



Forest of wet upper montane zone, Ceylon . 



Littoral forests ; Pandanus odoratissimus, Ceylon . 



Terminalia glabra, showing adventitious roots formed on 

 buttresses while submerged ..... 



Climbers in riverside forest, Blue Nile, Sudan. Photo by 

 Mr. S. A. Wood 



Epiphytic fig or Mimusops hexandra, Ceylon 



Hill-sides deforested by fires and grazing. Patanas of Uva 

 Ceylon ........ 



A clearing for tea and consequent silt in a river, Ceylon 



Filling a granary, Sudan ...... 



A " charas," Bombay Presidency .... 



Bamboo Oxytenanthera abyssinica, Sudan . 



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