Wheeler: THE FLORA OF THE RED RIVER VALLEY. 579 



Rumex crispus L. Sp. PL 335. 1753. 



Coll.: Ballard 2628,81. Vincent; 2777, Warren; Mac- 

 Millan & Skinner 189, Crookston ; 389, Holmes. 



Rumex persicarioides L. Sp. PI. 335. 1753. 



Coll.: Ballard 2638,81. Vincent; MacMillan & Skinner 

 155, Maple lake. 



Polygonum emersum (Micnx.) BRITTON, Trans. N. Y. Acad. 



Sci. 8: 73. 1889. 

 Coll. : MacMillan & Skinner 412, Crookston. 



Polygonum lapathifolium L. Sp. PL 360. 1753. 



Coll. : MacMillan & Skinner 2, Crookston ; 294, Maple 

 lake; Ballard 2590, Humboldt ; 2673, St. Vincent. 



Polygonum persicaria L. Sp. PL 361. 1753. 

 Coll. : MacMillan & Skinner 6, Crookston. 



Polygonum punctatum ELL. Bot. S. C. & Ga. i : 455. 1817. 

 Coll.: MacMillan & Skinner 293, Maple lake; Ballard 

 2530, Fergus Falls. 



Polygonum littorale LINK in Schrad. Journ. i : 54. 1799. 



Coll. : Ballard 2643, 2670, St. Vincent; 2685, Northcote. 



Polygonum erectum L. Sp. PL 363. 1753. 

 Coll. : Ballard 2720, Kennedy. 



Polygonum exsertum SMALL, Bull. Torr. Club, 21 : 172. 1894. 

 Coll. : Ballard 2786, Warren. 



Polygonum ramosissimum MICHX. Fl. Bor. Am. i : 237. 1803. 

 Coll. : Ballard 2551, 2636,81. Vincent; 2600, Humboldt; 

 MacMillan & Skinner 142, Dugdale. 



Polygonum convolvulus L. Sp. PL 364. 1753. 



Coll.: Ballard 2602, Humboldt; MacMillan & Skinner 

 56, Crookston. 



Polygonum scandens L. Sp. PL 364. 1753. 



Coll. : MacMillan & Skinner 167, Maple lake. 



CHENOPODIACE^E. 



Chenopodium album L. Sp. PL 219. 1753. 



Coll.: Ballard 2552, 2575, St. Vincent; 2740, Hallock ; 

 2527, Fergus Falls ; 2708, Northcote ; 2594, Humboldt ; 

 2721, Kennedy; MacMillan & Skinner 19, Crookston. 

 119, Maple lake. 



