192 



BRITISH FLOWERING PLANTS 



also proved by experiment that this species does not set 

 its seeds if the visits of insects are prevented ; in a state 



Fig. 135, 



Fig. 136. 



Fis. 137. 



Fig. 135. — Long-styled flower oi Lythrum Salicaria. 

 Fig. 136.— Mid-styleil flower. 

 Fjb. 137. — Short-styled flower. 



of nature, however, the plant is much frequented by bees, 

 humble bees, and flies, which always alight on the upper 

 side of the flowers, on the stamens and pistil. 



