264 METASPERMAE OF THE MINNESOTA VALLEY. 



Led., Fl, Ross., 1. c; Nym., Fl. Eur.; Herd., Fl. Eur. Rues. 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° ISJ.; 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; Herh. Moyer 248, Monte 

 video. 



Draba caroliniaiia Walt. Fl. Car. 174 (1788). 



? Arabis reptans Lam. Enc. Meth. I, 222 (]783>. 

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

 D. wnhellata Muhl. Cat. 62 (1813). 

 Arahis rotundifoUa 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; Gov., 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.: i^Tassw&e 52, Minneapolis: Herrick 42, Minne- 

 apolis; Sandberg G8,RedWmg; Sijumons i, Minneapolis; Sand- 

 berg 69, Cannon Falls; Herb. 3Ioyer 32, Montevideo. 



Dral)a micraiitha Nutt. T. and G. Fl. I, 109 (1838). 

 D. caroliniana var. micrantha Gray, Man. 5 od. 72 (1867). 

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

 Fl. Minn. 27; Coult., Fl. Tex. 18; Gov., 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 veriia Linn. Spec. 642 (1753). 



J), verna var. americana Peus. Syn. II, 190 (1807). 

 Eropkila oruericana and vulgaris DC. Syst. II, 356 (1821). 

 Erophila vuUjaris var. mnericana Dakl. Fl. Cestr. 378 (1837). 

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

 Fl. Can. I, 53; Led., Fl. Ross. 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. 



