CLASSIFICATION OF ANGIOSPERMS. 665 



FIG. 363. Buckbean or Bogbean (Menyanthes trifoliata), a perennial herb with a 

 fleshy horizontal rhizome, producing erect stems, bearing three oval or oblong leaflets, 

 and a raceme with numerous, white or rose-colored, fringed flowers. The plant grows in 

 bogs and shallow water in northern United States and Canada. Bureau of Plant Industry, 

 U. S. Department of Agriculture. 



