210 METASPERMAE OP THE MINNESOTA VALLEY. 



Polygonum scandens LINN. Spec. 363 (1753). 



P. dumetorum var. scandens GRAY, Man. 5 ed. 418 (1868). 

 Wats, and Coult., Gray's Man. 6 ed. 443; Britt., Fl. N. J. 210; Mac., 

 Fl. Can. I, 413; Webb., Fl. Neb. 112; Chap., Fl. S. St. 391; Upham, Fl. 

 Minn. 120; Wats., Fl. Calif. II, 15; Coult., Fl. Colo. 321; Led., Fl. Ross. 

 Ill, 528; Nym., Fl. Eur.; Hook., Fl. Gt. Brit.; Herd., Fl. Eur. Russ. 112; 

 Cov., Fl. Ark. 215. 



Europe, Asia and India with P. dumetorum Linn. 



North America: N. S., N. Br., Q., Ont.; N. Superior 

 region to N. W. T. ; S. to Washington and Montana to Colo. ; 

 E. to N. Eng., N. J., Fla. and Miss. 



Minn, valley: Throughout; moist thickets and edges 

 of woods or along shaded banks. 



HERB.: Taylor 1163, Glen wood; Sheldon 1563, Lake 

 Benton; Sheldon 427, Ash lake, Blue Earth Co.; Ballard 506, 

 Prior's lake, Scott Co.; Ballard 630, Chaska; Leiberg 57, Blue 

 Earth Co.; Bailey 51, Vermilion lake; Herb. Sheld. 1793, Min- 

 neapolis. 



Polygonum cilinode MICHX. Fl. N. Am. I, 241 (1803). 



Wats, and Coult., Gray's Man. 6 ed. 442; Britt., Fl. N. J. 210; Mac., 

 Fl. Can. I, 413; Chap., Fl. S. St. 391; Upham, Fl. Minn. 120. 



North America: N. S., N. Br., Q., Ont., Hudson Bay 

 and Peace river valley to N. Eng., N. J., N. Car., and W. to 

 Mich, and Minn. 



Minn, valley: N. E. district and N. edge; rare or local; 

 rocky hills and banks. 



HERB.: Boberts 118, Grand Marais; Roberts 119, Dul- 

 uth; Sandberg 484, Vermilion lake. 



Polygonum arifolium LINN. Spec. 362 (1753). 



Wats, and Coult., Gray's Man. 6 ed. 442: Britt., Fl. N. J. 210; Mac., 

 Fl. Can. I, 413; Chap., Fl. S. St. 390; Upham, Fl. Minn. 120; Engl.-Damm., 

 Nat. Pflanz. 3, 1 a, 28. 



Asia? 



North America: N. S., N. Br., Q., Ont,; S. to N. Eng., 

 N. J. and S. Car. ; W. to Minn, and Mo. 



Minn, valley: Forest district; Blue Earth Co.; rare; 

 low, wet woodland. 



HERB. : Boden 2, Chisago Co. ' 



Pol) goimin sagittatum LINN. Spec. 363 (1753). 



P. sagittatum var. boreale MEISN. Mon. Polyg. 65 (1826). 

 Wats, and Coult., Gray's Man. 6 ed. 442; Britt., Fl. N. J. 210; Upham, 

 Fl. Minn. 120: Mac., Fl. Can. I, 413; Webb., Fl. Neb. 112; Chap., Fl. S. St. 

 390; Led., Fl. Ross. Ill, 529; Cov., Fl. Ark. 216; Engl.-Damm., Nat. 

 Pflanz. 3, I a, 28. 



