ii6 



GLIMPSES INTO PLANT-LIFE 



make special provision, by changing the form of 

 their leaves, and their mode of hanging on the 

 branch. In x'\ustralia, for instance, where the sun 

 is almost vertical, the acacias and eucalyptus trees, 



YOUNG SHOOT OF EUCALYPTUS. 



instead of holding their leaves flat or horizontally 

 as trees do in England, so that they may catch 

 every ray of sunlight, avoid the heat as much as 

 possible, by holding them edgeways to the light. 



