1?4 MliSTNESOTA BOTANICAL STUDIi^fci. 



Astragalus quiiiqiieflorus Wats. Proc. Am. Acad. 'Zl: 

 450. 

 Mexico. 



Astragalus rattani A. Gray. Proc. Am. Acad. 19:75. 

 1883. 

 California. 



Astragalus reptans Willd. Hort. Berol. 2:88. 1816. 

 Tragacantha reptans OK. Rev. Gen. PL 2: 947. 1891. 

 Mexico. 



Astragalus strigulosus H. B. K. Nov. Gen. et. Sp. 6: 

 494. 

 Tragacantha strigulosa OK. Rev. Gen. PI. 2:948. 1891. 

 Mexico. 



Astragalus tolucanus Rob. and Seat. Proc. Am. Acad. 



28:104. 1893. 

 Mexico. 



Astragalus pacificus w. n. 



A. henclersoni Wats. Proc. Am. Acad. 22:471. 1887. 

 • 'Sot A. henclersoni Bakek in Rook. F1. Brit. Ind. 2: 120. 1879. 



A. watsoni Sheld. Bull. Minn. Geol. and Nat. Hist. Surv. n. 9: 

 19. 1894. 

 Not A. ivatsoniana (OK.) Sueld. supra. 



Oregon. 



Astragalus supervacaneus Greene. Erythea. 1:221. 

 1893. 

 California. 



Astragalus breweri A, Gray. Proc. Calif. Acad. 3:103. 



Astragalus lindhoimeri A. Gray. PI. Wright 1 : 52. 



Astragalus rothrockii n. sp. 



Perennial, glabrous throughout; stems 5 to 6 dm. high, erect, 

 diffusely branching, striate, sometimes purplish mottled or 

 striate; leaves Q to 10 cm. in length, the rachis nearly terete: 

 leaflets 5 to 18 mm. in length, in nine to 12 pairs, elliptical, 

 oblong or oblong-lanceolate, obtuse or rarely slightly retuse; 

 stipules triangular-acuminate, reflexed, becoming deciduous; 



