LIST OF HIGHER SEED-PRODUCING PLANTS. 257 



Lepidium virginicum Linn. Spec. 645 (1753). 

 Clypeola caroliniana Walt, Fl. Car. 173 (1788). 

 Thlaspi virginianum PoiK. Enc. Meth. VII, 54'4 (1806). 

 Dileptium diffusum and praecox Raf. FL Lud. 85 (1817). 

 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. III. 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 ^i, Elysian; Taylor 190, Janesville; 

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

 25, Winona Co.; Kassube 33, Minneapolis; Herb. Wicker sheim 17 , 

 Idlewild, Lincoln Co. 



Lepidium intermedium Gray, PI. 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. virginiGum 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). 



Velaruui, Norta and Arabidopsis ScnuK. Enum. Transsylv. 

 (1866). 



Pachypoclium and Descurainia Webb. Phyt. Can. 75 (1836). 



Chamaeplium and Sisynibrella {part) Spach, Suit. Buff. VI, 

 433 (1839). 



Hugiieninia Eeich. Ic. Fl. Germ. II, 80 (1837-38). 



Tong-uea Endl. Gen. 4905 (1836-40). 



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



Stenophrag-ma Clark, ex Durand, Ind. Gen. (1888). 



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



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



Alliaria Adans. Fam. PI. II, 418 (1763). 

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

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

 -17 



