546 METASPERMAE OF THE MINNESOTA VALLEY. 
HERB.: Sheldon 1476, Pipestone; Winchell 10, Rich- 
field; Herrick 165, Minneapolis; Holzinger 128, Winona; Sand- 
berg 333, Cannon Falls; Herb. Moyer 144, Montevideo. 
Bidens cernua Linn. Spec. 832 (1753). 
Coreopsis bidens LINN. Spec. 908 (1753). 
Bidens cernua var. elata T. and G. Fl. II, 352 (1841) 
B. quadriaristata var. dentuta Nutr. Trans. Am. Phil. Soc. VII, 
368 (1841). 
Wats. and Coult., Gray’s Man. 6 ed. 285; Britt.. Fl. N. J. 147; Mac., 
Fl. Can. I, 247; Upham, Fl. Minn. 83; Webb., Fl. Neb. 145; Coult., Fl. 
Colo. 189; Brew. and Wats., Fl. Calif. I, 357; Forbes and Hems., Fl. Syn. 
435; Hook., Fl. Gt. Brit. 210; Led., Fl. Ross. II, 517; Nym., Fl. Eur.; 
Herd., Fl. Eur. Russ. 66; Cov., Fl. Ark. 196; Engl. Hoffmann, Nat. Pflanz. 
IV, 5, 244; Gray, Syn. FI. I, 2, 296; Hart, Fl. Scand. I, 2. 
N. Eur. to Caucasus; N. Asia to China. 
North America: N. S., N. Br. to Hudson Bay and 
Saskatchewan to Mont. and Oregon; S. to Va., Mo. and Colo. 
Minn. valley: Throughout; infrequent; wet places or 
shaded banks near water’s edge. 
Hers.: Sheldon 1515, Lake Benton; Taylor 1154, Glen- 
wood; Roberts 65, Stewart river; Leiberg 36, Blue Earth Co. 
Bidens connata MuHL. Willd. Spec. ITI, 1718 (1808). 
B. tripartita Breen. FI. Bost. 2 ed. 294 (1824). 
B. petiolata Nutr. Journ. Acad. Phil. VII, 99 (1834). 
B. connata var, comosa GRAY. Man. 5 ed. 261 (1867). 
Wats. and Coult., Gray’s Man. 6 ed. 284; Mac., Fl. Can. I, 247; Upham, 
F). Minn. 88: Chap., Fl. S. St. 236; Webb., Fl. Neb. 145; Britt., Fl. N. J. 
147; Gray, Syn. Fl. I, 2, 296. 
North America: N.S., N. Br. to Saskatchewan and 
Nebr.; S. to Ill., Mo., Ga. and Tex. 
Minn. valley: Forest district to Blue-Earth Co.; 
damp places and near streams ur pools. 
Hers.: Ballard 712, Waconia; Herrick 164, Minne- 
apolis; this is the var. pinnata Watson. Sandberg 332, Red 
Wing. 
Bidens frondosa Linn. Spec. 832 (1753). 
Wats. and Coult., Gray’s Man. 6 ed. 284; Britt., Fl. N. J. 146; Webb., 
Fl. Neb. 145; Chap., Fl. 8S. Sts. 236; Mac., Fl. Can. I, 247, 551; Upham, Fl. 
Minn. 83; Coult., Fl. Colo. 189; Cov., Fl. Ark. 196; Gray, Syn. Fl. I, 2, 
296; Coult., Fl. Tex, 223. 
North America: N.S., N. Br. to Saskatchewan and 
Colo.; S. to Gulf of Mexico, Fla. and Tex. 
Minn. valley: Throughout; frequent; moist shady 
places or along roads. 
HeERB.: Sheldon 1414, Lake Benton; Taylor 1082, 
