Fig. 62: a-d, Sagittaria graminea: a, habit, X %; b, fruit, X 2%; c, anther, X 5; d, 

 achene, X 5. e-i, Sagittaria lancifolia: e, leaf, X y-y, f, bracts, X 21/0; g, flower, X ly-z', 

 h, anther, X 5; i, achene, X 5. (V. F.). 



