CONTRIBUTIONS TO WESTERN BOTANY. 635 



The synonym of this species and its varieties, on the 

 basis recommended by the recent circular of represent- 

 ative American botanists is as follows : 



ASTRALAGUS ANGUSTUS, 



Astragalus Rictus var. angustus Jones, Zoe, 4, 37, 1893- 

 Astragalus ceramicus Y2iv . Jonesii Sheldon, Bull. Minn. 

 Geol. and Nat. Hist. Surv., 9, 19, 1894. 



A. f ictus var. foliolosus Sheldon, 1. c. 9, 138, 1894. 



Not A. -pictus YdiV. foliolosus Gray. 



Astragalus angustus var. pictus (Gray, PI. Fend. 



37)- 



Phaca ficta Gray, PI. Fend. 37, 1849. 



Astragalus f ictus Gray, P. A. A. 6, 214, 1866. 



Tragacantha pi eta O. K. Rev. Gen. PI. 2, 947, 1891. 



Not Astragalus pictus Steud. Nom. Ed. 2 i, 163, 1840. 



Astragalus ceramicus Sheldon, 1. c. 9, 19, 1894. 



Astragalus pictus yds. foliolosus Gray, P. A. A. 6, 215, 

 1866. 



An examination of the type of this variety in the Na- 

 tional Herbarium shows that it differs from the typical 

 species in no respect worthy of varietal rank. 



Astragalus foliolosus Sheldon, 1. c. 9, 138, 1894. 



Not Astragalus foliolosus Bunge, Gen. Astrag. Geront. 

 2, 125, 1886; a recognized species. 



Astragalus angustus var. longifolius (Pursh, Fl. 

 A. Sept. 2, 741, 1814. 



Psoralea longifolia Pursh, 1. c. 



Orohus longifolius Nutt. T. & G. Fl. i, 346, 1838. 



Not Astragalus longifolius Lam..Ency. Meth. i, 322, 



1783- 



Astragalus flifolius Gray, Pac. R. R. Rep. 12, 42, 

 i860. 



Astragalus pictus var. filifolius Gray, P. A. A. 6, 214, 

 1866. 



