LIST OF HIGHER SEED-PRODUCING PLANTS. 183 



Salix petiolaris Sm. Linn. Trans. VI, 122 (1802). 

 S. grisea Willd. Spec. IV, 699 (1805). 



(5>. fuscata aod rosmarinifoUa Pursh, F1 Am. II, 612 (1814). 

 S. sericea MuiiL. Berl. Mag. IV. 240 (1804). 



/S. pennsylvanica Sal. Wob. t. 95 ( ). 



(S. grisea var. suhglabrata Koch, Comm. 21 (1828). 

 S. petiolaris var. gracilis Anders. Sal. Monog. 109 (1867). 

 Wats, and Coult., Gray's Man. 6 ed. 483; Britt., Fl. N. J. 225; Mac, Fl. 

 Can. I, 453: Upham, Fl. Minn. 129. 



North Am'erica: N. B., Ont., Man. to Brit. Col.; S. to 

 N. J. and Va. ; W. to Minn, and Mont. 



Minn, valley: N. E. and S. E. district; banks of 

 streams and low meadows. 



Herb. : Bailey 359, Mud river. Sandberg 610, Goodhue 

 Co.; var. gracilis Anders., Sheldon 1929, Lake Harriet; Bailey 

 143, Vermilion lake; Bailey 301, Mud river. 



Salix tristis Ait. Hort. Kew. Ill, 393 (1789). 

 S. longirostris- Micnx. Fl. N. Am. II, 226 (1803). 

 S. muhlenbergiana Willd. Spec. IV, 692 (1805). 

 Wats, and Coult., Gray's Man. 6 ed. 483; Briit., Fl. N. J. 225; Upham, 

 Fl. Minn. 129: Mac, Fl, Can. I, 455; Chap., Fl. S. St. 430; Webb., Appx. 

 Neb. 27. 



North America: N. S. to N. Eng., N. J. and mts. of 

 Ga. ; W. to Minn., Neb. and Mo. 



Minn, valley: Forest district; infrequent or local; 

 river or lake banks. 



Herb. : f Holzinger 257, Winona. 



Salix humilis Marsh. Arbust. Amer. 140 (1785). 

 S. conifera Willd. Pursh, Fl. I, 612 (1814). 

 S. longirostris MiCHX. Fl. N. Am. II, 226 (1803). 

 S. muhlenbergiana Pursh, Fl. Am. I, 609 (1814). 

 Wats, and Coult., Gray's Man. 6 ed. 483; Britt., Fl. N. J. 225; Webb.. 

 Fl. Neb. 110; Upham, Fl. Minn. 129; Mac,Fl. Can. I, 449; Chap., Fl. S. St. 

 430; Mac, Fl. Can. II, 358; Cov., Fl. Ark. 221. 



North America: N. S., N. Br., Q. Ont., to Lake Hu- 

 ron region and Man.; S. to N. Eng., N. J. and N. Car.; W. to 

 Minn, and Neb. 



Minn, valley: Forest district; dry, sandy places and 

 barrens. 



Herb.: Sheldon 572, Madison Lake, Blue Earth Co.; 

 Sheldon 1615, Minneapolis; Sandberg 507, Red Wing; Bailey 221, 

 Vermilion lake; Bailey 408, Burntside lake; Bailey 130, Ver- 

 milion lake; Bailey 286, Vermilion lake; Kassiibe 218, Minne. 

 apolis. 



