264 METASPERMAE OF THE MINNESOTA VALLEY. 
Led., Fl. Ross., 1. ¢.; Nym., Fl. Eur.; Herd., Fl. Eur. Russ. 18; Engl. 
Prantl, Nat. Pflanz. IIT, 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 especialiy in Leaf Hill district; dry hillsides. 
Hers.: Gedge 2, Glyndon; Herb. Moyer 248, Monte. 
video. 
Draba caroliniana Watt. Fl. Car. 174 (1788). 
? Arabis reptans LAM. Enc. Meth. I, 222 (1783). 
Draba hispidula Micox. Fl. N. Am. IT, 28 (1803). 
D. umbellata MunL. Cat. 62 (1813). 
Arabis rotundifolia RAF. Am. Mo. Mag. IT, 23 (1830). 
Wats. and Coult., Gray’s Man. 6 ed. 68; Webb., Fl. Neb. 119; Britt., 
Fl. N. J. 50; Chap., F1. 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: Throughoutexcept 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 Nutr. T. and G. FI. I, 109 (1888). 
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. J, 59. 
North America: Minn., Ill., Iowa, Neb., Kan., Mo., 
Ark., Tex. 
Minn. valley: S. edge and infrequent; dry hillsides. 
Draba verna LInN. Spec. 642 (1758). 
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 (1887). 
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. III, 2, 190; Wats., Bibl. Ind. 62; Chap., Fl. S. St. 29: Hart., Fl. 
Scand. I, 205. 
Europe: Mediterranean region and Russia. 
