58 THE FERTILISATION OF FLOWERS. [CHAP. in. 



Even the streaks of colour and the hairs on the 

 petals of flowers are found to have reference to the 

 visits of insects; and, in fact, viewed in the light 

 of recent researches, everything in connection with 

 flowers has an interest; and it is with the greatest 

 reluctance that we must now leave this part of our 

 subject. 



