154 



WILD FLOWER FAMILIES 



easily see that this is true, and while you are 

 looking see if you can find any hairs on the inner 

 surface of the petals. Are they so situated as to 

 protect the nectar at the base of the flower from 



WILD GERANIUM 



being washed away by rain? The presence of 

 such hairs in the Crane's-bill that grows in Ger- 

 many first led the naturalist, Sprengel, to study 

 the relations of flowers and insects — a subject to 

 which, before his time, no one had given careful 

 attention. 



