16 



Figure 7. 

 Nuphar pumila: A. flowers x '/fe. B. fruits * '/.>. Both 

 redrawn from Fassett. 



Nuphar ■ rubrodiaca:C flower ■ 1. 1), fruit ■ 1, redrawn 

 from Fassett. 



Nuphar variegata: F. flower - 1. F. fruit * 1. Both 

 redrawn from Fassett. 

 Xuphar advena: (i. flower * '/j. H. flower * V>. 



