Wheeler: THE FLORA OF THE RED RIVER VALLEY.: 579 
Rumex crispus L. Sp. Pl. 335. 1753. 
Coll.: Ballard 2628, St. Vincent; 2777, Warren; Mac- 
Millan & Skinner 189, Crookston ; 389, Holmes. 
Rumex persicarioides L. Sp. Pl. 335. 1753. 
Coll.: Ballard 2638, St. Vincent; MacMillan & Skinner 
155, Maple lake. 
Polygonum emersum (Micux.) Britton, Trans. N. Y. Acad. 
Wels. os 7%. Seg: 
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. 1: 455. 1817. 
Coll.: MacMillan & Skinner 293, Maple lake; Ballard 
2530, Fergus Falls. 
Polygonum littorale Linx in Schrad. Journ. I: 54. 1799. 
Coll.: Ballard 2643, 2670, St. Vincent; 2685, Northcote. 
relyeonum 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 Mricnx. Fl. Bor. Am. 1: 237. 1803. 
Coll.: Ballard 2551, 2636, St. 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. 
CHENOPODIACEZ. 
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. 
