182 metaspermae of the Minnesota valley. 



N. to Ft. Franklin on Mackenzie and Alaska; Arctic circle in 

 Labrador; S. to N. J., Iowa, Dak. 



Minn, valley: Forest, N. W. and W. districts; absent 

 S. W. ; peat bogs and marshy meadows around lakes. 



Herb. : Sheldon 238, Turtle lake, Le Sueur Co. ; Sheld- 

 on 325, Smith's Mills, Blue Earth Co. ; Sheldon 124, Madison 

 Lake, Blue Earth Co. ; Sheldon 527, Waseca; Ballard 445, Prior's 

 lake, Scott Co.; Sheldon 1619, Minneapolis; Bailey 317, Vermil- 

 ion lake; Leiberg 61, Blue Earth Co. ; Kassuhe 220, Minneapolis; 

 Sandberg 517, Chisago Co.; Sandberg 518, Chisago lake; Bailey 

 137, Vermilion lake (var. pedicillaris Carey). 



Salix cordata Muhl. N. Berl. Schr. IV, 236 (1801). 

 S. rigicla Muhl. VVilld. Spec. IV, 667 (1805). 

 Wats, and Coult., Gray's Man. 6 ed. 484; Britt., Fl. N. J. 226; Webb., 

 Fl. Neb. no in var.; Mac, Fl. Can. 446; Coult, Fl. Colo. 335; Wats., Fl. 

 Calif. II, 85; Upham, Fl. Minn. 129; Wats., King Exp. 324. 



North America: N. Br. to Vancouver and N. W. T. ; S. 

 to N. Eng. , N. J. and Ga. ; W. to Rockies and W. Colo. 



Minn, valley: Forest district and probably through- 

 out; low banks and marshes. 



Herb. : Sandberg 509, Vasa; Sandberg 510, Red Wing. 



Salix cordata Muhl. var. aii^ustata (Pursh) Anders. 

 Monog. 159 (1867). 



S. angustata Pursh, Fl. Am. 613 (1814). 

 Wats, and Coult., Gray's Man. 6 ed. 484; Britt., Fl. N. J. 226; Mac, 

 Fl. Can. I, 447; Upham, Fl. Minn. 129. 



North America: Out to N. Eng. and N. J.; W. to 

 Minn, and Mo. 



Minn, valley: Reported from N. edge; infrequent; low 

 banks and marshes. 



Salix Candida Willd. Spec. IV, 708 (1805). 

 S. incana MiCHX. Fl N. Am. II, 225 (1803). 

 >S. tomentosa Schrad. in Herb. 

 S. nivea Sm. in Herb. 

 Wats, and Coult , Gray's Man. 6 ed. 484; Britt., Fl. N. J. 225; Mac, Fl 

 Can. I, 446; Upham, Fl. Minn. 128; Coult., Fl. Colo. 337. 



North America: Labrador, Anticosti, Q., Ont. to 

 Hudson Bay, Saskatchewan and N. W. T.; S. to N. Eng., N. J., 

 Iowa and Minn. ; also, to Mont, and Colo. 



Minn, valley: Forest district; especially N. E. district; 

 banks of streams and lakes. 



Herb. : Sheldon 1613, Ramsey Co. ; Kassube 217, Min- 

 neapolis; Bailey 392, Mud lake; Bailey 360, Mud river; Sand- 

 berg 506, Goodhue Co. 



