LIST OF HIGHER SEED PRODUCING PLAJN TS. 26S 



LESQUERELLA S. WATS. Proc. Am. Acad. XV, 249 (1888). 



Physaria NUTT. T. and G. Fl. I, 101 (1838) not Pers. 

 Coulterina O. KUNTZE, Rev. Gen. II Nachtr., 931 (1891). 

 Vesicaria AUCT. AM. 



Baillon, Hist. PL III, 273; Benth. and Hook., Gen. PL I. 73; Engler 

 and Prantl, Nat. Pflanz. 3, II, 187; Durand, Ind. Gen. Phan. 13. 



Living species: 33; Mexico; W. N. America to Green- 

 land and Brazil; especially developed in plateaus of the S. W. 

 W. Tex., 12; E. Sts., 3; Canada, 5; S. Sts. 1. 



Lesquerella argentea (PURSH). 



Myagrum argentmm PURSH, Fl. Am. x 434 (1814). 

 Vesicaria globosa DESVX. Journ. Bot. Ill, 181 (1814). 

 Alyssum ludovicianum NUTT. Gen. II, 63(1818). 

 Vesicai-ia ludoviciana DC. Syst. II, 297 (1821). 

 Physaria argentea MAcM. MSS. (1890). 

 Lesquerella ludoviciana S. WATS. Gray's Man. 6ed. 69 (1890). 

 Coult.. Fl. Colo. 25; Webb., Fl. Neb. 119; Upham, Fl. Minn. 27; Mac., 

 Fl. Can. I, 54, 490; II, 305; Wats., Bibl. Ind. I, 75. 



North America: Minn., Neb., Colo., Wyoming; S. to 

 Arizona?; N. to N. W. T. 



Minn, valley: S. W. and N. W. portions; rocky banks 

 and high bluffs; rare. 



HERB. : Sandberg 70, Red Wing. 



DRABA LINN. Gen. 535 (1737). 



EropMla DC. Syst. II, 356 (1821). 



Petrocallis R. BR. Hort. Kew. IV, 93 (1812). 



Dollineria SAUT. Flora, 353 (1852). 



Holargidium TURCZ. Led., Fl. Boss. I, 156 (1842). 



Coleonema MAXIM, ex Durand (1888). 



Heteroclraba GREENE, ex Prantl (1890). 



Baillon, Hist. PI. Ill, 271; Benth. andl Hook., Gen. PL I, 74; Engler 

 and Prantl, Nat. Pflanz. 3, II, 190 (Prantl); Durand, Ind. Gen. Phan. 14; 

 Gray, 111 Gen. I, 159. 



Living species: 150+ ; 70-80 (B. and H.); mountain 

 districts in almost all regions ; arctic, antarctic and sub 

 arctic regions; principally in Northern hemisphere. Russia, 

 47; Russian Europe, 19; Europe, 35; North America, 24; Can- 

 ada, 18; Rocky mts , 12: Calif., 9; E. Sts., 6; S. Sts., 5; PL 

 King, 7-8; PL Wheel., 7; W. Tex., 2. 



Draba nemorosa LINN. Spec. 643 (1753). 

 D. nemoralis EHRH. Beitr. VII, 154 (1792). 



D. nemorosa vars. lejocarpa and hebecarpa LED. Fl. Boss. I, 154. 

 (1842). 



Wats, and Coult,, Gray's Man., 6 ed. 68; Coult., Fl. Colo. 17; Brew, and 

 Wats., Fl. Calif. I, 2b?; Upham, Fl. Minn. 27; Trautv., Fl. Sib. 23; Eegel, 

 Fl. O.-Sib. I, 198; Mac., Fl. Can. I, 52; Forbes and Hems., Fl. Sin. I, 41; 



