LIST OF HIGHER SEED-PRODUCING PLANTS. 265 



North America: Q., Ont, N. Eng. and Atl. coast to 

 Fla. ; W. to Minn, and Mo. The absence of this species N. W. 

 in Brit. Amer. is perhaps evidence that it is introduced and 

 not endemic. It is included here owing to a doubt whether 

 this argument is conclusive. 



Minn, valley: Ft. Snelling; roadsides and waste 

 places; only N. E. 



ARABIS LINN. Gen. 544 (1737). 



Turritis LINN. Gen. 819 (1^37). x 



Steveiiia AD. and FISCH. Led. Fl. Ross. I, 123 (1840). 

 Arabidium SPACH, Suit. Buff. VI, 436 (1839). 



Baillon, Hist. PL III, 233; Benth. and Hook., Gen. PL I, 69; Engler 

 and Prantl, Nat. Pflanz. 3, II, 192 (Prantl); Durand, Ind. Gen. Phan. 13; 

 Gray, 111. Gen. 141, 143; O. Kuntze, Rev. Gen. PL I, 27. 



Living species: 145 described; 10 5 distinct; 65 (B. 

 andH.); 79 (Durand); principally in Europe and Asia; boreal 

 to Mediterranean provinces; also North America and a few in 

 South America, the Orient and Australia. Russia, 30; Europe, 

 35; Russian Europe, 13; North America, 21i Canada, 19-20; 

 Calif., 10; E. Sts., 9; Rocky mts., 8; S. Sts., 6; W. Tex., 2; PL 

 King, 9; PL Wheel., 3. 



Arabis dentata TORR. T. and G., Fl. I, 80 (1838). 



Sisymbrium dentatum TORR. Short and Peter PL Kent. 3d Suppl. 

 338 (1834). 



Shortia dentata RAF. Autik. Bot. 17 (1836). 



Wats, and Coult., Gray's Man. 6 ed. 67; Upham, Fl. Minn. 24; Chap., 

 Fl. S. St. 27; Wats., Bibl. Ind. I, 47; Webb., Appx. Neb. 31. 



North America: N. Y. to Tenn, ; W. to Mich., Minn, 

 and Neb. 



Minn, valley: Ft. Snelling to Blue Earth Co.; woods 

 and shaded banks; rare. 



HERB.: Sandberg 59, Red Wing; Mayland 1, Minne- 

 apolis. 



Arabis lyrata LINN. Spec. 665 (1753). 



Sisymbrium arabidoides HOOK. Fl. Bor.-Am. I, 63 (1833). 

 8. humifusum J. VAHL, Fl. Dan. XIII, 2297 (1840). 

 Wats, and Coult., Gray's Man. 6 ed. 67; Britt., Fl. N. J. 48; Chap., 

 Fl. S. St. 27; Upham, Fl. Minn. 24; Coult., Fl. Colo. 20; Mac., Fl. Can. I, 

 41; Miyabe, Fl. Kur. 217; Wats., Bibl. Ind. I, 49. 



Middle and N. Japan to Kurile Islands. 

 North America: E. Can. to B. C. and lat. 68 N.; S. 

 to N. Eng., N. J. and N. Car.; W. to Mont., Colo., Minn, and 



Neb. 



Minn, valley: Only in region of Ft. Snelling and N 



E. edge; rocky banks and dry places. 



