132 MINNESOTA BOTANICAL STUDIES. 



Astragalus jejimus Wats. Bot. King. Rep. 5:73. 1871. 



Tragacantha jejuna OK. Rev. Gen. Pi. 2: 945. 1891. 

 Wyoming and Utah. 



Astragalus thurberi A. Gray. PL Thurb. 312. 1854. 

 Tragacantha thurberi OK. Rev. Gen. PI, 2: 948. 1891. 

 Arizona. 



Astragalus leptaleus A. Gray. Proc. Am. Acad. 6 : 220. 

 1866. 



Tragacantha leptalea OK. Rev. Gen. PL 2: 946. 189L 

 A. pauciflorus A. Gray. Proc. Acad. Phil ad. ii. 7: 60. 1863. 

 Phaca pauciflora NuTT. in T. and G. FL 1: ^48. 1838. 

 Not ^.pmtci^orus Hook. FL Bor.-Am. 1: 149. 1833, 

 which is a synonym of A. vexilliflexus Sheld. BulL Minn. 

 GeoL and Nat. Surv. n. 9: 21. 1894. 

 Nebraska, Colorado and Utah. 



Astragalus microcystis A. Gray. Proc. Am. Acad. 6: 

 220. 1866. 



Tragacantha microcystis OK. Rev. Gen. PL 2: 946. 1891. 

 'Sot A. microcystis Bunge. Astrag. F edsch. 306. ex. Ind. Kew. 1: 



234. 1893. « 

 Wyoming, Montana, Idaho and Washington; north to Methy 

 river, British America. 



§ 9. Clavocarpus. 



Astragalus lonchocarpus Torr. Pac. R Rep. 4:80 



1857. 



Tragacantha lonchocarpa OK. Rev. Gen. PL 2:946. 1891. 

 Fhaca macrocarpa A. Gray. PL FendL 36. 1849. 

 Not A. macrocarpus DC. Astrag. 143. 1802. 

 a Syrian species. 

 Utah, Colorado and New Mexico. 



§ 10. Inflatus. 



Astragalus alpinus (Linn.) Sheld. Bull. Minn. Geol. 

 and Nat. Hist. Surv. n. 9: 65. 1894. 



Phaca alpinahi^N. Spec. 755. 1753. 



Phaca frigida Linn. FL Suec. Ed. ii. n. 657. 1755. 



6. This species may take the name Astragalus centralis u. n. 



