CONTENTS. xxiii 



722. The landscape a changing panorama, 725. Refoliation 

 of bare forests in the spring, 726. The summer tints are 

 more subdued, 728. Autumn colors, 729. Fall of the leaf, 

 730 page 410 



CHAPTER LVI. 



ADAPTATION OF PLANTS TO CLIMATE. 



Some characteristics of desert vegetation. 731. Some plants of 

 temperate regions possess characters of desert vegetation, 

 735. Alpine plants with desert characters, 737. Low stat- 

 ure of alpine plants a protection against wind and cold, 738. 

 Some plants of swamps and moors present characters of 

 arctic or desert vegetation, 739. Hairs on young leaves 

 protect against cold, 740 page 419 



