100 MYSTERIES OF THE FLOWERS 



Combination of flowers make them con- 

 spicuous. 



Nectar is easy of access. 



Pollen mechanism is an obstacle to self- 

 fertilisation but favours cross-fertilisa- 

 tion. 



Insects may visit many flowers in a very 

 short time. 



Long seasons procure many visits from 

 many kinds of insects. 



(Miiller states that 152 kinds have been 

 counted as visiting a single flower of 

 this family.) 



The close packing of the flowers among the 

 Composites shows the excellence of the team-work; 

 for this family has prevailed ove^' many others in 

 the struggle for existence, as witness the extraor- 

 dinary success with which the ox-eye daisy, an im- 

 migrant from Europe, has flourished and spread 

 until it has won the name of "The Farmer's Curse." 



Violets and Pansies 



The violets of the woods, and their aristocratic 

 relatives, the pansies of the garden, have their 



