522 METASPERMAE OF THE MINNESOTA VALLEY. 



Wats, and Coult., Gray's Man. 6 ed. 259; Upham, Fl. Minn. 71: Britt., 

 Fl. N. J. 138; Mac, Fl. Can. I, 222: Webb., Fl. Neb. 148; Chap., Fl. S. St. 

 202: Coult., Fl. Colo. 160; Cov.. Fl. Ark. 192; Gray, Syn. Fl. I, 2, 182. 



North America: N. Br., Ont, N. Y., N. J. and Penn. 

 to Ky. and Fla ; W. to Minn., Dak., Neb. and Ark. 



Minn, valley: N. edge, N. E. and N. W. districts; 

 higher levels; dry places and edges of woods. 



Herb.: Sandberg 286, Red Wing; Bailey 458, Mud 

 lake; Bailey 269, Vermilion lake; Bailey 270, Vermilion lake; 

 Herrick 144, Minneapolis; Holtz 17, Minneapolis. 



Aster cordifolius Linn. Spec. 875 (1753). 



A. paniculatus and heterophyllus Willd. Spec. Ill, 2035 (1803). 

 A. paniculatus, heterophyllus and cordifolius Nees, Ast. (1818). 

 Wats, and Coult., Gray's Man. 6 ed. 259; Webb., Fl. Neb. 148; Britt., 

 Fl. N. J. 137; Mac, Fl. Can. 1, 222; Chap., Fl. S. St. 202: Upham, Fl. 

 Minn. 71; Cov., Fl. Ark. 191; Gray, Syn. Fl. I, 2, 182. 



North America: N. S., N. Br., Q., Ont. to Georgian 

 bay; S. to Va., Ky., Neb., Mo. and Ark. 



Minn, valley: Throughout the forest district; woods 

 and thickets. 



Herb. : Sandberg 285 Red Wing. 



Aster undulatus Linn. Spec. 875 (1753). 

 A. paniculatus Nutt. Gen. II, 56 (1818). 

 A. sayittaefolius Ell. Sk. II, 362 (1824). 

 A. diversifolius DC. Prodr. V, 234 (1836). 

 Wats, and CouU.., Gray's Man. 6 ed. 258; Webb., Fl. Neb. 148; Upham, 

 Fl. Minn. 71: Mac. Fl. Can. I, 222; Chap., Fl. S. St. 201; Britt.. Fl. N. J. 

 137; Mac, Fl. Can. I, 544; Cov., Fl. Ark. 192; Gray, Syn. Fl. I, 2, 181. 



North America: N. Br., Ont. to N. J., N. Car., Fla.; 

 W. to Minn., Ky., Ark. and Neb. 



Minn, valley: S. central district and N. W. ; rare; 

 dry woods and thickets. 



Herb.: ? Taylor 10 14, Glenwood. 



Aster azureus Lindl. DC. Prodr. V, 244 (1836). 

 A. oolentangiensis RiDD. Cat. PI. W. S. (1835). 

 Wats, and Coult., Gray's Man. 6 ed. 258; Upham, Fl. Minn. 71; Mac, 

 Fl. Can. 1,221; Chap., Fl. S. St. 201: Mac, Fl. Can. I, 544: Webb.. Appx. 

 Neb. 43; Coult., Fl. Tex. 195. 



North America: Ont. to N. Y. ; W. to Minn., Ohio, 

 Mo., Neb., Ark. and Tex. 



Minn, valley: Throughou!; prairies and borders of 

 woods. 



Herjj. : Sandberg 284, Red Wing; '^Bailey 507, Agate 

 bay; Taylor 1183, Glenwood. 



