FLORAL DIPLOMACY. . %Z 



would ensue if insects were to go blunderingly to 

 every flower and find out for themselves whether it 



Fig. 30. — Common Comfrey (Sym^hyUtm offichtale). 



had any honey (or had been fertilised) or not ! In 

 many flowers belonging to other orders the colours 

 of the petals change as they get old, as, for instance. 



