A GUIDE AND KEY TO AQUATIC PLANTS 



27 



8. Leaves broad and blade-like, sometimes inflated 9. 



near base. 



8. Leaves (plant body in Riccia') narrow or finely 11. 

 divided. 



9. Leaves large and dilated with inflated petioles (fig. 8) . Eichhornia, p. 107. 



9. Leaves normally expanded 10. 



10. Leaves wide to the base, without petioles (fig. 9). Pistia, p. 103. 



10. Leaves mostly differentiated into blades and Limnobium, p. 76. 

 petioles (fig. 10). 



x'/6 



X 74 



Figure 8. 



Figure 9. 



x'/s 



