210 Canadian Record of Science. 



(31.) P. ViRGiNiANUM, Linn. 



All our specimens of this species were collected in 

 Ontario. Eeported from Nova Scotia and Quebec. 



POLYGONELLA ARTICULATA, Meisn. 



Polygonum articulatuni, Willd ; Macoun, Cat. Can. Plants 

 Vol. I., p. 409. 



Sand dunes, Point Aux Pins, Lake Superior, 1869. 

 (John Macoun.) Specimens collected by D.-. Eichardson, 

 and labelled " Arctic North America," are probably from 

 the same locality. 



