522 METASPERMAE OF THE MINNESOTA VALLEY. 
Wats. and Coult., Gray’s Man. 6 ed. 259; Upham, Fl. Minn. 71; Britt., 
Fl. N. J. 188; 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. III, 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. FIL. 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. 
HErRz.: Sandberg 285 Red Wing. 
Aster undulatus Linn. Spec. 875 (1753). 
A. paniculatus Nutr. Gen. II, 56 (1818). 
A. sagittaefolius ELL. Sk. II, 362 (1824). 
A. diversifolius DC. Prodr, V, 234 (1836). 
Wats. and Coult,, Gray’s Man. 6 ed. 258; Webb., Fl. Neb. 148; Upham, 
Fl. Minn. 71; Mac., Fl. Can. J, 222; Chap., Fl. S. St. 201; Britt.. Fl. N. J. 
137; Mac., Fl. Can. I, 544: Cov., Fl. Ark. 192; Gray, Syn. FI. 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. 
Hers.: ?Taylow 1014, Glenwood. 
Aster azureus Linpit. DC. Prodr. V, 244 (1836). 
A. oolentangiensis Ripp. Cat. Pl. W. 5S. (1835). 
Wats. and Coult., Gray’s Man. 6 ed. 258; Upham, Fl. Minn. 71; Mac., 
Fl. Can. I, 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. 
Hers.: Sandberg 284, Red Wing; ?Bailey 507, Agate 
bay; Taylor 1183, Glenwood. 
