Sheldon: species of astragalus. 129 



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

 527. 1866. 



Trago.cantha pycnostachya OK. Rev. Gen. PI. 2: 947, 1891. 

 California. 



Astragalus aridus A. Gray. Proc. Am. Acad. 6 : 223. 1866. 



Tragacantha arida OK. Rev. Gen. PI. 2:943. 1891. 

 Southern California. 



Astragalus troglodytus Wats. Proc. Am. Acad. 20: 



362. 1885. 

 Arizona. 



Astragalus yirgineus Sheld. Contrib. Nat. Herb. 4 : 88. 



1893. 

 Nevada. 



Astragalus castanaeformls Wats. Proc. Am. Acad. 20: 



361. 1885. 

 Arizona. 



Astragalus teplirodes A. Gray. PL Wright. 2 : 45. 1853. 



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

 New Mexico. Recently collected specimens of this species 

 sent to me by Professor E. O. Wooton show the purple color 

 of the corolla which was doubted by Dr. Gray. 



Astragalus newberryi A. Gray. Proc. Am. Acad. 12: 



55. 1877. 

 Utah and Arizona. 



Astragalus chamaeluce A. Gray. Ives. Rep. 10. 1861. 

 in pt. 



Phaca pygmaea Nutt. in T. and G. PL 1:349. 1838. 

 Tragacantha pygmaea OK. Rev. Gen. PI. 2:941. 1891. 

 Not ^.p2/6r«iaeMs Pall. Astrag. 66. 1800, 



a synonym of Spiesia nigrescens (Pall. ) OK. Rev. Gen. PL 

 1 : 207. 1891, a Siberian species. 

 Arizona and New Mexico to southern Idaho. 



Astragalus eastwoodi Jones. Zoe. 4:368. 1894. 



A. preussii A. Gkay var. sulcatus Jones. Zoe. 4: 37. 1893. 

 Not A. sulcatus Linn. Spec. 756. 1753, 

 a Siberian species. 

 Colorado and Utah. 



