184 METASPERMAE OF THE MINNESOTA VALLEY. 



Salix discolor MU'HL. N. Schrift. Ges. Nat. Fr. Berl. IV, 

 234 (1801). 



S. prinoides PURSH, Fl. Am. 613 (1314). 

 8. sensitwa BARR. Sal. Am. 8 (1840). 



Wats, and Coult., Gray's Man. 6 ed. 482; Britt.,Fl. N. J. 225; Mac., Fl. 

 Can. I, 447; Chap., Fl. S. St. 430; Upham, Fl. Minn. 129; Cov. Fl. Ark. 



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

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



Minn, valley: Throughout; river banks, lake shores 

 and low meadows. 



HERB.: Sheldon 1582, Lake Benton; Taylor 724, 

 Minnesota lake; Sheldon 242, Lake Washington, Le Sueur Co. ; 

 Herrick 276, Minneapolis; Sandberg 508, Red Wing. 



Salix rostrata RICH. Appx. Prankl. 3 (1823). 

 S. vagans var. rostrata ANDERS. Monog. 8 (1867). 

 /S. livida var. occidentalis GRAY, Man. 5 ed. 464 (1867). 

 Wats, and Coult., Gray's Man. 6 ed. 482; Britt., Fl. N. J. 226: Upham, 

 Fl. Minn. 130; Mac., Fl. Can. I, 453; Coult., Fl. Colo. 337; Roth., Wheel. 

 Exp. 240; Webb., Appx. Neb. 27. 



North America: Canada throughout to N. Eng., N. 

 J. ; W. to Minn., Mont, and Idaho; S. to Neb.. 



Minn, valley: Forest district and at least to Pomme 

 des Terres valley; moist and shaded places or drier ground. 



HERB. : Taylor 521, Mud lake, Waseca Co. ; Sandberg 

 511, Red Wing; Sandberg 512, Cannon Falls; Holzinger 258, 

 Winona; Bailey 212, Vermilion lake; Bailey 284, Vermilion lake; 

 Bailey 334, St. Louis river. 



Salix longifolia MUHL. N. Berl. Schr. IV, 238 (1801), 

 ? S. rubra RICH. Appx. Frankl. Narr. 37 (1823). 

 S. fiuviatilis NUTT. Sylv. 89 (1842 . 



8. longifolia var. pedicillata ANDERS. Konigl. Sven. Acad. Handl. 

 VI, 55 (1858). 



Wats, and Coult , Gray's Man. 6 ed. 482; Britt., Fl. N. J. 227; Upham, 

 Fl. Minn. 130; Mac., Fl. Can, I, 450; Webb., Fl. Neb. 110; Coult., Fl. Colo. 

 335; Wats., Fl. Calif. II, 84; Herd , Fl. Eur. Russ. 120?; Roth., Wheel. 

 Exp. 240; Wats., King Exp. 324; Cov., Fl. Ark. 221; Eng]. Pax, Nat. Pflanz. 

 Ill, 1, 36. 



Russia? 



North America: Q., Ont. to Man., Athabasca and N. 

 Brit. Col.; N. to Mackenzie river region; S. to Oregon, Calif., 

 Texas; E. to Md. and Maine. 



Minn, valley: Throughout; abundant; river banks and 

 sandy shores. 



HERB. : Sheldon 438, Buffalo lake, Waseca Co.; Sheldon 

 639 Waseca; Taylor 428, Buffalo lake, Waseca Co. ; Sheldon 



