THE FLOWER AND THE BEE 



form are thus held in equilibrium or counterbalance each 

 other. But where the flower stands horizontal, as the snap- 

 dragon or the sage, bees almost invariably land on the lower 



Fig. 29. Yellow Rattle. Rhinanthus Crista-galli 



A bee-flower 



side of the corolla. As a consequence one, two, or three of 

 the lower petals become transformed into a lip which serves 

 as a landing-stage. Such an adaptation is beneficial to both 



62 



