562 METASPERMAE OF THE MINNESOTA VALLEY. 



North America: Minn, and Dak. to Iowa, Neb., Ark. 

 and Tex. 



Minn, valley: S. W. district; local?; thicket edges 

 and borders of woods, or in openings. 



HERB. : Sheldon 894, Sleepy Eye. 



Lactuca hirsuta MUHL. Cat. (1813). 



L. sanguined BIGBL. Fl. Bost. 2 ed. 287 (1824). 

 L. sagittaefolia ELL. Sk. II, 253 (1824). 



L. elongata var. sanguinea and albiflora T. and G. Fl. II, 496 

 (1841). 



Galathenium sanguineum and floridanum NUTT. Trans. Am. Phil. 

 Soc. VII, 443 (1841). 



Lactuca canadensis GRAY, Man. 5 ed. (1867). 



Wats, and Coult., Gray's Man. 6 ed. 304; Mac., Fl. Can. I, 280; Britt., 

 Fl. N. J. 154; Upham, Fl. Minn. 91; Cov., Fl. Ark. 199; Gray, Syn.Fl. I, 2, 

 442; Coult, Fl. Tex. 249. 



North America: Ont. to E. Mass., N. J. and La.; W. 

 to Minn., Ark. and Tex. 



Minn, valley: Forest and W, district; doubtless N. 

 W. ; borders of woods and thickets. 



HERB. : Sheldon 1304, Lake Benton. 



Lactuca canadensis LINN. Spec. 796 (1753). 

 L. caroliniana WALT. Fl. Car. 193 (1788). 

 L. longifolia MICHX. Fl. N. Am. II, 85 (1803). 

 L. elongata MUHL. Willd. Spec. Ill, 1523 (1803). 

 Sonchus pallidus WILLD. Spec. Ill, 1521 (1803). 

 Galathenium elongatum NUTT. Trans, Am. Phil. Soc. VII, 443 

 (1841). 



Wats, and Coult., Gray's Man. 6 ed. 304; Britt.. Fl. N. J. 154; Webb., 

 Fl. Neb. 143; Mac., Fl. Can. I, 280; Upham, Fl. Minn. 91; Cov., Fl. Ark. 

 199; Gray, Syn. Fl. I, 2, 442. 



North America: Anticosti to Assiniboia and Sas- 

 katchewan; S. to N. Eng. and N. J. to Ga.; W. to Minn., Neb. 

 and Ark. 



Minn, valley: Throughout; borders of thickets and 

 open places in woods. 



HERB.: Bollard 616, Chaska; Bollard 744, Waconia; 

 Sheldon 1010, Sleepy Eye; Bollard 580, Rice lake, Scott Co.; 

 Taylor 1021, Glenwood; Sheldon 1181, New Ulm; Bailey 196, 

 Vermilion lake; Kassube 149, Minneapolis; Sandberg 359, Can- 

 non Falls. 



TARAXACUM HALL. Stirp. Helv. I, 23 (1742). 

 Leoiitodoii ADANS. Fam. II, 112 (1763). 

 Lasiopus DON, Sweet. Brit. Fl. Gard. 2, 346 (1836). 

 ? Caramanaca TINEO, PI. Rar. Sic. (1846). 

 Dens Leonis TOURN. Inst. 468 (1700). 



