Fig. 63: Sagittaria papillosa: a, habit, X 14; b, staminate flower (young), X 2% c, 

 staminate flower, X 21/2; d, stamen (two views), X 5; e, pistillate flower, X IV-y, f, 

 fruiting head, X 2V2; g, achene, X 6. (V.F.). 



