LIST OF HIGHER SEED-PRODUCING PLANTS. 561 



Ont: to Brit. Col. and coast region; S. to Oregon and N. Calif. ; 

 E. to Minn. , N. J. , Iowa, Tenn. and N. Car. 



Minn, valley: Forest district and W. to Cottonwood 

 valley; low grounds near thickets or along streams. 



HERB.: Bollard 64.5, Chaska; Sheldon 1184, NewUlm; 

 Sheldon 894, Sleepy Eye; Bailey 4o7, Mud lake; Roberts 71, 

 Stewart river; Sandberg $60, Red Wing; Oesllund 105, Minne- 

 apolis. 



Lactuca floridana (LiNN.) GAERTN. Fruct. II, 262 (1791). 

 Sonchus floridanus LINN. Spec. II, 795 (1753). 

 Mulgedium lyratum CASS. Diet. XXXIII, 297 (1826). 

 Mulgedium floridanum DC. Prodr. VII, 249(1839). 

 Galathenium floridanum NUTT. Trans. Am. Phil. Soc. VII, 441 

 (1841). 



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

 Fl. Neb. 143; Mac., Fl. Can. 1,281; Upham, Fl. Minn. 91; Chap., Fl. S. St. 

 253; Cov., Fl. Ark. 199; Gray, Syn. Fl. I, 2, 443; Coult., Fl. Tex. 249. 



North America: Detroit river and Minn, to N. J., 

 Penn. , Carolinas and Fla. ; W. to Ills. , Neb. and Ark. 



Minn, valley: Reported from N. E. and E. edges; 

 local or doubtful; borders of woods or thickets. 



Lactuca pulchella (PURSH) DC. Prodr. VII, 134 (1838). 

 Sonchus pulchellus PURSH, Fl. Am. 502 (1814). 

 Lactuca integrifolia NUTT. Gen. II, (1818). 

 Sonchus sibiricus RICH. Hook. Fl. Bor.-Am. I, 293 (1833). 

 Mulgedium pulchellum T. and G. Fl. II, 497 (1841). 

 M. heterophyllum NUTT. Trans. Am. Phil. Soc. VII, 441 (1841), 

 Wats, and Coult., Gray's Man. 6 ed. 304: Webb., Fl. Neb. 143; Upham y 

 Fl. Minn. 91; Brew, and Wats., Fl. Calif. I, 442; Coult., Fl. Colo. 223; 

 Roth., Wheel. Exp. 182; Wats., King Exp. 208, 422; Gray, Syn. Fl. I, 2, 443. 

 North America: L. Huron throughout C. Can. to 66 

 N. lat., Mackenzie river reg. and Alaska; S. to N. Mex. and 

 Calif.; E. to Neb., Minn, and Mich. 



Minn, valley: Throughout; local or infrequent; prai- 

 ries and edges of woods. 



HERB. : Sheldon 491, Madison Lake; Bollard 682, Wa- 

 conia; Taylor 415, Janesville; Taylor 1040, Glenwood; Taylor 

 883, Glenwood; Sheldon IVl^ Lake Benton; Juni 9, Lake Car- 

 los; Bailey 4, Vermilion lake. 



Lactuca ludoviciana (NUTT.) DC. Prodr. VII, 141 (1838). 



Sonchus ludovicianus NUTT. Gen. II, 125 (1818). 



Galathenium ludovicianum NUTT. Trans. Am. Phil. Soc. VII, 433 

 (1841). 



Wats, and Coult., Gray's Man. 6 ed. 304; Gray, Syn. Fl. I, 2, 443; 

 Coult., Fl. Colo. 223; Webb., Fl. Neb. 143; Upham, Minn. Suppl. 86; 

 Coult., Fl. Tex. 249. 



-36 



