POND WEEDS. 9 1 



fondness which many aquatic animals manifest for 

 employing them in several ways. The leaves are 

 small and arranged in regular star-shaped or rosette- 

 Fig. 41. 



Water Milfoil (Myriophylhtm spicatnm). 



like whorls; whilst the very simple flowers are green- 

 ish, and easily passed over. The upper leaves may 

 usually be seen floating on the water, arranged in the 

 star-like form which has obtained for the plant its 

 common name. Of all the pond weeds perhaps Pota~ 

 mogeton natans is the prettiest and most serviceable 



