POLLEN, OR FLOWER-DUST 707 



I'il^-. 69 shows some crowded o-rains of th" pollen 

 of the pine, which in shape are somewhat like a 

 curved dumb-bell. 



This has necessarily been a brief and cursory 

 account of the pollen-grain and its functions ; but it 

 may at least have served some purpose, if it has 

 again brought home to some readers the fact that 

 beauties of form exist, and marvels of function are 

 carried on, beyond the range of unaided human 

 vision. It should teach man humility to reflect 

 that, although he sees nothing of these fascinating 

 wonders, they lose nothing thereby. His is the 

 loss. 



