264 METASPERMAE OF THE MINNESOTA VALLEY. 



Led., Fl. Boss., 1. c.; Nym., Fl. Eur.; Herd., Fl. Eur. Russ. 18; Engl. 

 Prantl, Nat. Pflanz. Ill, 2, 190; Wats., King Exp. 22; Wats., Bibl. Ind. I, 

 60; Hart., Fl. Scand. I, 205; Rothr., Alask. 443. 



Europe: Sweden to Pyrenees, Hungary, Mid. Russ. 

 and Caucasus; Siberia, Amurland, China, Baikal mts. and 

 Kamtschatka. 



North America: All western Can. to lat. 66 N. ; E. to 

 L. Superior and Montreal; S. through Yellowstone river 

 region to Colo. ; E. to Minn, and Mich. 



Minn, valley: The plants of this region do not seem 

 to be different from the typical D. nemorosa Linn. N. edge of 

 valley especially in Leaf Hill district; dry hillsides. 



HERB.: Gedge 2, Glyndon; Herb. Moyer 248 1 Monte 

 video. 



Draba caroliniana WALT. Fl. Car. 174 (1788). 

 ? Arabis reptans LAM. Enc. Meth. I, 222 (1783). 

 Draba hispidula MICHX. Fl. N. Am. II, 28 (1803). 

 D. umbellata MUHL. Cat. 62 (1813). 

 Arabis rotundifolia RAF. Am. Mo. Mag. II, 23 (1830). 

 Wats, and Coult., Gray's Man. 6 ed. 68; Webb., Fl. Neb. 119; Britt., 

 Fl. N. J. 50; Chap., Fl. S. St. 29; Upham, Fl. Minn. 27; Mac., Fl. Can. I, 

 52; Wats., King Exp. 23; Cov., Fl. Ark. 166; Wats., Bibl. Ind. I, 59. 



North America: E. Mass, and N. J. to Ga. ; W. to 

 Minn, and Neb. ; S. Ontario. 



Minn, valley: Throughout except far N. W. ; at higher 

 levels; sandy and dry hillsides or banks. 



HERB.: Kassube 32, Minneapolis: Herrick 42, Minne- 

 apolis; Sandberg 68, Red Wing; Simmons 1, Minneapolis; Sand- 

 berg 69, Cannon Falls; Herb. Moyer 32, Montevideo. 



Draba micrantha NUTT. T. and G. Fl. I, 109 (1838). 

 D. caroliniana var. micrantha GRAY, Man. 5 ed. 72 (1867). 

 Wats, and Coult., Gray's Man. 6 ed. 68; Webb., Fl. Neb. 119: Upham, 

 Fl. Minn. 27; Coult., Fl. Tex. 18; Cov., Fl. Ark. 166; Wats., Bibl. Ind. I, 59. 

 North America: Minn., 111., Iowa, Neb., Kan., Mo., 

 Ark., Tex. 



Minn, valley: S. edge and infrequent; dry hillsides. 



Draba verna LINN. Spec. 642 (1753). 



D. verna var. americana PERS. Syn. II, 190 (1807). 

 Erophila americana and vulgaris DC. Syst. II, 356 (1821). 

 Erophila vulgaris var. americana DARL. Fl. Cestr. 378 (1837). 

 Wats, and Coult., Gray's Man. 6 ed. 68; Upham, Fl. Minn. 27; Mac., 

 Fl. Can. I, 53; Led., Fl. Boss. I, 155; Herd., Fl. Russ. Eur. 10; Engl. Nat. 

 Pflanz. Ill, 2, 190; Wats., Bibl. Ind. 62; Chap., Fl. S. St. 29; Hart., Fl. 

 Scand. I, 205. 



Europe: Mediterranean region and Russia. 



