LIST OF HIGHER SEED-PRODUCING PLANTS. 425 



North America. Man., Assiniboia and Saskatchewan 

 to Rocky mts. ; S. to N. 111., Wise., Minn., Iowa, Dak., Neb. 

 and Kan. 



Minn, valley: Throughout; most abundant S. W. and 

 W. prairies. 



HERB.: Sheldon 606, Waseca; Taylor 178, Janesville; 

 Menzel 4, Pipestone City; Herrick 253, Minneapolis; Ankeny 5, 

 Stillwater; Roberts 109, White Bear; Kassube205, Minneapolis; 

 Sandberg 470, Red Wing; Herb. Moyer 204, 205, Chippewa Co.; 

 Herb. Wickersheim 109, Idle wild, Lincoln Co. 



Asclepias exaltata (LiNN. ) MUHL. Cat. 28 (1813). 

 A. syriaca var. exaltata LINN. Spec. ed. 2, 313 (1762). 

 A. phytolaccoides PURSH, Fl, Am. 180 (1814). 



Wats, and Coult., Gray's Man. 6 ed. 342; Upham,Fl. Minn. 114; Mac., 

 Fl. Can. I, 319; Chap., Fl. S. St. 262; Gray, Syn. Fl. II, 1, 92; Britt., Fl. 

 N. J. 169. 



North America: Ont. and N. Eng. to Minn,; S. to N. 

 J. and Ga. ; W. to Ark. 



Minn, valley: Forest district; moist woods and thickets 

 HERB. : Bollard 471, Prior's lake, Scott Co. ; Sheldon 

 617, Waseca; Sheldon 617a, Wilton, Waseca Co.; Ballard 205, 

 Jordan, Scott Co.; Herrick 252, Minneapolis; Sandberg 469, 

 Red Wing. 



Asclepias obtusifolia MICHX. Fl. N. Am. I, 113 (1803). 



A. purpurascens WALT. Fl. Car. 103 (1788). 



Wats, and Coult., Gray's Man. 6 ed. 341; Britt., Fl. N. J. 170; Webb., 

 Fl. Neb. 141; Upham, Fl. Minn. 115; Chap., Fl. S. Sts. 364; Coult., Fl. 

 Colo. 239; Cov., Fl. Ark. 203; Gray, Syn. Fl. II, 1, 91 and Syn. Suppl. .II, 

 401; Coult., Fl. Tex. 266. 



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

 and Tex.; E. across continent to N. Eng., N. J., N. Car. and 

 Fla. 



Minn, valley: Reported from S. E. edge; doubtful 

 sandy fields or woods. 



Asclepias sullivantii ENGELM. Gray Man. 1 ed. 366 (1848). 



Wats, and Coult., Gray's Man. 6 ed.341; Webb.,Fl. Neb. 141; Upham, 

 Fl. Minn. 114; Gray, Syn. Fl. II, 1, 91. 



North America: Minn, and Dak. to Neb., Kan. and 

 Ohio. 



Minn, valley: Forest district and W. to Pommes des 

 Terres, at least; rich woods and banks of streams. 



HERB. : Taylor 580, Minnesota lake; MacM and tiheld. 

 45, Brainerd. 



