LIST OF HIGHER SEED-PRODUCING PLANTS. 257 
Lepidium virginicum Linn. Spec. 645 (1753). 
Clypeola careliniana War. Fl. Car, 173 (1788). 
Thlaspi virginianum Pork. Enc. Meth. VII, 544 (1806). 
Dileptium diffusum and praecoe RAF. FI. 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 61, Elysian; Taylor 190, Janesville; 
Oestlund 14, Hennepin Co.; Herrick 43, Minneapolis; Holzinger 
25, Winona Co.; Kassube 33, Minneapolis; Herb. Wickersheim 17, 
Idlewild, Lincoln Co. 
Lepidium intermedium Gray, PI]. Wright, IT, 15 (1852). 
LL. vuderale 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, 47, 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. virginicwm Linn., but less abundant. 
Hers.: Sandberg 71, Cannon Falls; Bailey 132, Ver- 
milion lake; Bailey 524, Agate Bay; Moyer 245, Montevideo, 
Chippewa Co. 
SISYMBRIUM Linn. Gen. 547 (1787). 
eat Velarum, Norta and Arabidopsis Scour. Enum. Transsylv. 
(1866). 
Pachypodium and Descurainia Wess. Phyt. Can. 75 (1836). 
Chamaeplium and Sisymbrella (part) SpaAcH, Suit. Buff. VI, 
433 (1839). 
Hugueninia Reicu. Ic. Fl. Germ. II, 80 (1837-38). 
Tonguea ENDL. Gen. 4905 (1836-40), 
Leptocarpaea DC. Syst. Veg. II, 201 (1821). 
Stenophragma CLARK, ex Durand, Jnd. Gen. (1888). 
Drabopsis G. Kocu, Linn. XV, 253 (1840). 
Maresia PomMEL, ex Durand, l. c. (1888). 
Alliaria ADANS. Fam. Pl. I, 418 (1763). 
Baillon, Hist. Pl. III, 239; Benth. and Hook., Gen. Pl. I, 77: Engler 
and Prantl, Nat. Pflanz. 3, II, 169 (Prantl); Durand, Ind. Gen. Phan. 14: 
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