76 SANDUSKY FLORA. 



A. REFLEXUM, Bicknell. 

 ' Huron River, Milan, and probably elsewhere. 

 The variety ambiguum also occurs. 



POLYQONACE^E. 



FAQOPYRUn, Qaertn. 



F. ESCULENTUM, Moench. Buckwheat. 



Infrequent, except in fields where it has sometime 

 been sown. 



POLYGONUM, L. Knot weed. 

 P. ACRE, H. B. K. Water Smartweed. 

 Common. 



P. AMPHIBIUM, L.* 



Marblehead ; i^are. 

 P. ARiFOLiUM, L. Halberd-leaved Tear-thumb. 



Bristol's woods, Florence. 

 P. AVicuLARE, L. Knot-grass. Door-weed. 



Abundant. 

 P. CAREYi, Olney.* 



Southern Perkins. 

 P. convolvulus, L. Black Bindweed. 



Common. 

 P. DUMETORUM, L. Copse Or Hedge Buckwheat. 



Milan, Marblehead. This or P. scandens is 



common and grows on the Islands. 

 P ERECTUM, L. Erect Kno tweed. 



Common. 

 P. HARTWRiGHTii Gray.* 



A few plants near L. S. & M. S. freight house. 



Doubtless introduced. 



P.° HYDROPiPER. Smart-weed. Water Pepper. 

 Common. 



P HYDROPiPEROiDES, Michx. Mild Water Pepper. 

 Infrequent. Kelley's Island. 



