Sheldon: SPECIES OF astragalus. 117 



Nebraska, Mr. S. B. Parish of San Bernardino, California. Mr. 

 C. R. Orcutt of Orcutt, California, and Dr. H. E. Hasse of 

 Soldiers Home, Los Angeles county, California. I have been 

 also much aided by many botanists and collectors who have 

 cheerfully responded to a request for critical material. 



The types of the new species proposed are deposited in the 

 herbarium of the Geological and Natural History Survey of 

 Minnesota unless otherwise stated. 



Series I. PHACA. 

 § 1. Spiesiodes. 



Astragalus aciitirostris Wats. Proc. Am. Acad, 20:360. 

 1885. 

 California. 



Astragalus iiothoxys A. Gray. Proc. Am. Acad. 6:232. 

 1866. 

 2'ragacantha notlioxys OK. Rev. Gen. PI. 2:946. 1891. 

 Arizona. 



§ 2. Triphyllus. 



Astragalus sericoleucus A. Gray. Am. Journ. Sci. ii. 

 33:410. 1862. 

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

 Trayacantha sericea OK. Rev. Gen. PI. 2: 942. 1891. 

 Not A sericeus DC. Astrag. 147. 1802. 

 a synonym of A. globosus Vahl. Symb. Bofc. 1 : 60. 1790, an 

 Armenian species. 

 Nebraska, South Dakota, Colorado and Wyoming. 



Astragalus tridactylicus A. Gray. Proc. Am. Acad. 

 6:527. 1860. 

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

 Colorado and Wyoming. 



Astragalus gilviflorus Sheld. Bull. Minn. Geol. and 

 Nat. Hist. Surv. n. 9.19. 1894. 

 Astragalus triphylhis FURSH. Fl. Amer. Sept. 2: 740. 1814. 

 Phaca triphylla Eat. & Wright. N. Am. Bot. 351. 1840. 

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

 Not Astragalus triphyllus Pall. Astrag. 68. 1800, 

 a synonym of Oxytropis triphylla DC. Astrag. 77. 1802, a 

 native of Siberia. 



