SEED DISTRIBUTION. 



373 



exquisite white flower clusters into grayish-white puffs, which scatter in the 

 autumn gusts into hundreds of arrow-headed, spiral plumes. The achenes 



Fig- 475- 

 Seed distribution of virgin's bower (clematis). 



have plumose styles, and the spiral form of the plume gives a curious twist 

 to the falling seed (fig. 474). 



