HEARTLEAF 



PONDWEED 



(Potamogeton 

 pulcher) 



Nova 

 Scotia and the 

 eastern half 

 of U. S. 



Underwater 

 leaves are 

 often puckered. 



Floating 

 leaves resemble 

 those of Float- 

 ing Pond weed 

 but usually are 

 deeper notched 

 at the base and 

 usually are 

 widest nearer 

 the base than 

 the tip. 



BOG PONDWEED 

 (Potamogeton oblongus) 



On this side of the Atlantic 

 has been found only in Newfound- 

 land, St. Pierre and Sable Island. 



Sometimes has lance-shaped 

 underwater leaves. Seeds are red, 

 nearly round in side view and a 

 little more than 1/16 inch long. 



