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 (1787). 
Turritis Linn. Gen. 819 (1737). 
Stevenia AD. and Fiscn. Led. Fl. Ross. I, 123 (1840). 
Arabidium Spacu, Suit. Buff. VI, 436 (1839). 
Baillon, Hist. Pl. III, 233; Benth. and Hook., Gen. Pl. I, 69; Engler 
and Prantl, Nat. Pflanz. 3, IT, 192 (Prantl); Durand, Ind. Gen. Phan. 13; 
Gray, ll. Gen. 141, 143; O. Kuntze, Rev. Gen. Pl. I, 27. 
Living species: 145 described; 105+ distinct; 65 (B. 
and H.); 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, 
85; Russian Europe, 18; North America, 21; 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 (1888). 
Sisymbrium dentatum Torr. Short and Peter Pl, Kent. 3d Suppl. 
388 (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. FI. Bor.-Am. I, 63 (1833). 
S. humifusum J. VAHL, Fl. Dan. XIII, 2297 (1840). 
Wats. and Coult., Gray’s Man. 6 ed. 67; Britt., Fl. N. J. 48; Chap., 
Fl. 8. 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. 
