WHAT PLANTS DO FOR THEIR YOUNG. 151 



so released merely drop upon the ground, but 

 most often some device exists for scattering them 

 to a distance, so as to obtain the advantage of 

 unexhausted soil for the young seedling. Thus 



most capsules open at the top, so that the seeds 

 can only drop out when the wind is high enough 

 to carry them to some distance. In the poppy- 



