DIVERGENCE AND ADAPTATION 369 



numerous and ingenious devices for effecting cross fertili- 

 zation, which we find among flowering plants. The color 

 and scent of flowers serve to allure the insects to the places 

 where they may secure honey. Thus both insects and 

 plants profit by the relation. The beautiful color and 

 sweet scent of flowers have probably been evolved in order 

 to take advantage of the visits of insects. 



