A GUIDE AND KEY TO AQUATIC PLANTS 



17 



10. Flower clusters conspicuous because of large, leaf- Pinckneya, p. 138. 



like, pink sepals (fig. 8). 

 10. Flowers white in stalked globose clusters; fruits Cephalanthus, p. 138. 

 aggregated in spherical clusters_(fig. 9). 



FlGtJRE 8. 



Figure 9. 



11. Trees 12. 



11. Shrub (fig. 10) Sambucus, p. 138. 



12. Leaflets usually 3; very prominently toothed Acer, p. 122. 



(fig. 11). 



12. Leaflets usually more than 3; not prominently Fraxinus, p. 133. 



toothed (fig. 12). 



Figure 10. 



Figure 11. 



Figure 12. 



