LIST OF HIGHER SEED-PRODUCING PLANTS. 257 



Lepidium virginicum LINN. Spec. 645 (1753). 

 Clypeola caroliniana WALT. Fl. Car. 173 (1788). 

 Thlaspi mrginianum Pom. Enc. Meth. VII, 544 (1806). 

 Dileptium diffusum and praecox RAF. Fl. Lud. 85 (18 17). 

 Wats, and Coult., Gray's Man. 6 ed. 73; Chap., Fl. S. St. 30; Britt., Fl. 

 N. J. 52; Webb., Fl. Neb. 118; Upham,Fl. Minn. 28; Mac., Fl. Can. I, 57; 

 Gris., Fl. W. I.; Engl. Prantl, Nat. Pflanz. Ill, 2, 161; Cov. Fl. Ark. 166; 

 Wats., Bibl. Ind. I, 65. 



Introduced in Europe. 



North America: United States throughout, except 

 Pac. coast and N. W. ; intro. in N. Eng. and Ontario. 



Minn, valley: Throughout; along roadsides and rail- 

 way embankments; abundant. 



HERB.: Sheldon 6J., Elysian; Taylor 190, Janesville; 

 Oestlund 14, Hennepin Co. ; Herrick 43, Minneapolis; Holzinger 

 25, Winona Co.; Kassube33, Minneapolis; Herb. Wicker sheim 11 , 

 Idlewild, Lincoln Co. 



Lepidium intermedium GRAY, PL Wright, II, 15 (1852). 



L. ruderale RICH. Frankl. Journ. 16 (1823) not Linn. 

 Wats, and Coult., Gray's Man. 6 ed. 73; Coult., Fl. Colo. 26; Brew, and 

 Wats., Fl. Calif. I, 47; Webb., Fl. Neb. 118; Upham, Fl. Minn. 28; Mac., 

 Fl. Can. I, 57, 491; Coult., Fl. Tex. 20; Wats., King. Exp. 29; Roth., 

 Wheel. Exp. 66; Wats., Bibl. Ind. I, 64; Greene, Fl. Fran. 275. 



North America: N. S., Ont., Man., B. C. to Hudson 

 Bay and lat. 52; S. to N. Y., Mich., Minn., Neb., Tex. and in 

 mts. to N. Mexico; W. to S. California and N. along Pac. coast, 

 Minn, valley: N. and W. portions; probably through- 

 out; with L. virginicum Linn., but less abundant. 



HERB. : Sandberg 71, Cannon Falls; Bailey 132, Ver- 

 milion lake; Bailey 524, Agate Bay; Moyer 245, Montevideo, 

 Chippewa Co. 



SISYMBRIUM LINN. Gen. "547 (1737). 



Velarum, Norta and Arabidopsis SCHUR. Enum. Transsylv. 

 (1866). 



Pachypodium and Descurainia WEBB. Phyt. Can. 75 (1836). 



Cbamaeplium and Sisymbrella (part) SPACH, Suit. Buff. VI, 

 433 (1839). 



Hugueninia REICH. Ic. Fl. Germ. II, 80 (1837-38). 



Tonguea ENDL. Gen. 4905 (1836-40). 



Leptocarpaea DC. Syst. Veg. II, 201 (1821). 



Stenophragma CLARK, ex Durand, Ind. Gen. (1888). 



Drabopsis G. KOCH, Linn. XV, 253 (1840). 



Maresia POMEL, ex Durand, 1. c. (1888). 



Alliaria ADANS. Fam. PL II, 418 (1763). 



Baillon, Hist. PI III, 239; Benth. and Hook., Gen. PI. I, 77; Engler 

 and Prantl, Nat. Pflanz. 3, II, 169 (Prantl); Durand, Ind. Gen. Phan. 14; 

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