WOOTON AND STANDLEY FLORA OF NEW MEXICO. 285 



Roripa palustris Besser, Enum. PI. 27. 1821. 

 Type locality: European. 



Range: British America to California, New Mexico, and North Carolina; also in 

 Europe and Asia. 

 New Mexico: Alamo Viejo {Meatus 12). 



8. Badicula obtusa (Nutt.) Greene, Leaflets 1: 113. 1905. 



Nasturtium obtusum Nutt.; Torr. & Gray, Fl. N. Amer. 1: 74. 1838. 



Type locality: "Banks of the Mississippi." 



Range: British Columbia to California, Michigan, and Texas. 



New Mexico: San Juan Valley; Inscription Rock; Ramah; Mogollon Mountains; 

 White and Sacramento mountains; Mesilla Valley. Wet ground. 



25. SCHOENOCRAMBE Greene. 



Perennial glabrous green herb with long horizontal rootstocks; stems simple or 

 branched, slender; cauline leaves linear, mostly entire; flowers rather large, yellow; 

 siliques 3 to 6 cm. long, slender, terete, suberect, on short spreading pedicels. 



1. Schoenocrambe linifolia (Nutt.) Greene, Pittonia 3: 127. 1896. 

 Nasturtium linifolium Nutt. Journ. Acad. Phila. 7: 12. 1834. 

 Erysimum linifolium Jones, Proc. Calif. Acad. II. 5: 622. 1895. 

 Type locality: "Head of Salmon River, in dry soils," Montana. 

 Range: Montana to British Columbia, Utah, and New Mexico. 

 New Mexico: Carrizo Mountains (Mattheivs). 



26. SISYMBRIUM L. 



An anomalous remnant which needs further study and generic segregation. The 

 species here assembled show little relationship to each other. 



KEY TO THE SPECIES. 



Pubescence of branched hairs 1. S. diffusum. 



Pubescence of unbranched hairs, or none. 



Plants pubescent; flowers bright yellow; pedicels erect 3. S. officinale 



Iciocarpum. 

 Plants glabrous; flowers white or ochroleucous; pedicels spread- 

 ing or ascending. 



Plants glaucous; leaves entire 2. A', vaseyi. 



Plants green ; leaves pinnatifid 1 . 8. altissim um. 



1. Sisymbrium diffusum A. Gray, PI. Wright. 1: 8. L852. 



Type locality: "Pass <>f the Limpia, in crevices of rocks on the mountains," 

 Texas. Type collected by Wright (no. 10). 

 Range: Western Texas to California, Boutb into Mexico. 



\ i w Mkxico: Hop Canyon; Manias Springs; Mogollon Mountain.-; Black Range; 

 Florida Mountains; Organ Mountains. Dry bills and canyons, in the Upper Sen. Tan 

 Zone. 



2. Sisymbrium vaseyi S. Wats, in A. Gray, Syn. Fl. I 1 : L38. 1895. 

 Thdypodium vaseyi Coulter, <'onir. I". S. Nat. Serb. 1:30. 1890, in pan. 



Type locality: Mountains weal of Las Vegas, New Mexico. Type collected l>y 



(i. II. Vas.-y in I SSI. 



Range: Mountains of New Mexico. 



\"kw Mexico: Santa Fe and Las Vegas mountains: Sandia Mountains; Graham; 

 White and Sacramento mountains. Transition /.""<■ 



A handsome plant of the open parks al higher elevations in ili«- mountains. Its 

 masses of white Bowers make it very attractive, especially when, as often happ i 

 is combined \\iili brighter colored flov 



