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.: SheJdon 606, Waseca; Taylor 178, Janesville; 

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

 Stillwater; Roberts if^, 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. synaca var. exaltata Linn. Spec. ed. 2, 313 (1762). 

 A. phytolaccoicles Pursh, F1, Am. 180(1814). 

 Wats, and Coult., Gray's Mao. 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. : Ballard 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. PI. 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 

 Pla. 



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.34I; 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 Sheld. 

 45, Brainerd. 



