Sheldon: SPECIES OF astragalus. 133 



Astragalus alpinus (Linn.; Sheld. var. americaiiiis 

 (Hook.) 



Phaca frigida L. var. americana Hook. F1. Bor.-Am. 1: 140. 1833. 

 A. frigidus A. Gkay. Proc. Am. Acad. 6: 219. 1864. 

 A. frigidus A. Gray. var. americanus Wats. Bib. Ind. 193. 1878 

 Tragacantha frigida OK. Rev. Gen. PL 2; 945. 1891. 



Northern Colorado, Wyoming and Montana; north in British 

 North America to Hudson bay, Slave lake and northern British 

 Columbia. 



Astragalus alpinus (Linn.) Sheld. var. littoralis (Hook.) 



Phaca friuida L. var. littoralis Hook. F1. Bor.-Am. X : 140. 1833. 

 A. frigidus A. Gray. \ SLT.littoralis Wats. Bib. Ind. 193. 1878. • 

 Alaska. 



Astragalus desperatus Jones. Zoe. 2 : 243. 1891. 

 Utah and Colorado. 



Astragalus ampullarius Wats. Am. Nat. 7 : 300. 1873. 

 Tragacantha ampullaria OK, Rev. Gen. PI. 2: 943. 1891. 

 Southern Utah. 



Astragalus oxyphysus A. Gray. Proc. Am. Acad. 6 : 218. 

 1866. 



Tragacantha oxyphysus OK. Rev. Gen. PI. 12:947. 1891. 

 California. 



Astragalus trichopodus (Nutt.) A. Gray. Proc. Am. 

 Acad. 6:218. 1866. 



Phaca trichopoda Nutt. in T. and G. Fl. 1 :343. 1838. 

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



California. 



Astragalus asyninietricus Sheld. Bull. Minn. oeol. and 

 Nat. Hist. Surv. n. 9: 19. 189i. 



Astragalus leucophyllus T. and G. Fl. N. Am. 1 : 336. 1838. 

 Phaca leucophylla Hooic. and Akn. Bot. Beech. Yoy. 333. 1840. 

 Tragacantha leucophylla OK. Rev. Gen. PI. 2:946. 1891. 

 liiot Astragalus leucophyllus WiLLT>. Sp. PI. 3: 1331. 1803. 



which is a synonym of Astragalus angustifolius Lam. Ency. 

 Meth. 1 : 321. 1783, a species occurring in Greece and Asia 

 Minor. 



California. 



