A GUIDE AND KEY TO AQUATIC PLANTS 



19 



19. Leaves, at least the younger ones, densely hairy or Persea, p. 124. 



wooly beneath (fig. 18). 

 19. Leaves not wooly beneath, glabrous or nearly so 20. 



Figure 17, 



Figure 18. 



20. Leaves silvery (glaucous) beneath (fig. 19).- Magnolia, p. 119. 



20. Leaves not silvery beneath 21. 



21. Fruit oval, longer than broad; leaves mostly over Benzoin, p. 124. 



6 cm. long (fig. 20). 



21. Fruit globose, about as long as broad; leaves mostly Glabraria, p. 124. 



less than 6 cm. long (fig. 21). 



Figure 19. 



Figure 20. 



Figure 21. 



