208 METASPERMAE OF THE MINNESOTA VALLEY. 
Minn. valley: Throughout; wet places; meadows, 
banks of streams and shores of lakes. 
Hers.: Sheldon 15, Elysian; Ballard 784, Swan lake, 
Carver Co.; Oestlund 157, Minneapolis; Oestlund 158, Hennepin 
Co.; Winchell 20, Minneapolis; Herb. Moyer 213, Montevideo. 
Polygonum tenue Micux. Fl. N. Am. I, 238 (1808). 
P. linifolium Muu. Cat. 40 (1813). 
P. filiforme BART. Comp. FI. Phil. I, 186 (1818). 
Wats. and Coult., Gray’s Man. 6 ed. 440; Britt., Fl. N. J. 210; Mac., Fl. 
Can. I, 408; Upham, Fl. Minn. 120; Webb., Fl. Neb. 112; Chap., F1.S. St. 
390; Coult., Fl. Colo. 319; Wats., Fl. Calif. II, 12; Wats., King. Exp. 315; 
Roth., Wheel. Exp. 331; Cov., Fl. Ark. 216. 
North America: Ont., Saskatchewan, Souris plain, 
Brit. Col. and Pac. coast; S. in Sierras to Calif., Neb. and 
Arizona; E. across cont. to N. Eng., and N. Car. 
Minn valley: Reported from W. edge aud S. W. dis 
trict; infrequent; knolls and barren bluffs. 
Polygonum ramosissimum Micux. FI. N. Am. I, 287 (1803). 
Wats. and Coult., Gray’s Man. 6 ed. 440; Britt., Fl. N. J. 210; Mac., 
Fl. Can. I, 408; Webb., Fl. Neb. 112; Wats., Fl. Calif. II, 12; Upham, 
Fl. Minn. 120; Coult., Fl. Colo. 319; Wats., King Exp. 315. 
North America: Ont. to L. Winnipeg, Rocky mts. 
and valley of the Columbia; S. to lower Sierra Nevada; E. across 
Cont. to Neb., Minn., Mo., N. Eng. and N. J. 
Minn. valley: Prairie district. throughout; dry or 
sandy waste places. 
Hers.: Taglor 1147, Glenwood; Sheldon 1499, Lake 
Benton; Oestlund 162, Minneapolis; Holzinger 199, Winona Co.; 
Sandberg 483, Red Wing; Holzinger 200, Winona. 
Polygonum erectum Linn. Spec. 361 (1753). 
P. aviculare var. erectum GRAY, Man. 4 ed. 417 (1867). 
Wats. and Coult., Gray’s Man. 6 ed. 440; Britt., Fl. N. J. 210; Mac., 
TF). Can. I, 407; Upham, Fl. Minn. 120; Webb., Fl. Neb. 112; Coult., Fl. 
Colo. 318; Chap., Fl. S. St. 390; Wats., Fl. Calif. IJ, 11; Led., Fl. Ross. 
ITI, 532; Roth., Wheel. Exp. 231; Cov. Fl. Ark. 215 
All Russia. 
North America: Ont. to Rocky mts.; S. and W. to 
Oregon, Nev. and Calif.;E. through Colo. and Neb. to N. Eng., 
N. J. and Ga. 
Minn. valley: Forest district and doubtless through- 
out; shaded banks or woodland districts. 
HeErB.: Sheldon 1729, Minneapolis. 
