^otang for foung '^t^k. 



PART II. 



HOW PLANTS BEHAVE 



HOW THEY MOVE, CLIMB, EMPLOY INSECTS 

 TO WORK FOR THEM, &c. 



By ASA GRAY. 



NEW YORK AND CHICAGO: 

 IVISON, BLAKEMAN, TAYLOR, AND COMPANY. 



1872. 



