172 MINNESOTA BOTANICAL STUDIES. 



Astragalus crassicarpus Nutt. in Fras. Cat. 1. 1813. 



A. carnosus Pursh F1. Amer. Sept. 2: 740. 1814. 



A. caryocarpiis Ker. Bot. Reg. 2:176. 1816. 



A. succulentus Rich. Fraakl. Journ. 18. 1823. 



A. pachycarpus T and G. Fl. N. Am. 1:332. 1838. 



Tt-agacantha ca^-yocarpa OK. Rev. Gen. PI. 2:943. 1891. 



Sasketchewan to southwestern Texas; from Colorado to 

 Minnesota, Nebraska and Iowa. 



§ Obscure Species, the Relationships of which are as 

 Yet Undetermined. 



Astragalus tepicus n. n. 



A. erooides H. and A. Bot. Beechey. Voy. 417. 1841. 

 Not A. erwides TuROz. Bull. Soc. Nat. Mosc. 90. 1838, 



a Mongolian species. 



A. Iiookerianus Dietr. Syn. PL 4: 1086. 1850. 

 Tragacantha hookeriana OK. Rev. Gen. PL 2:945. 1891, in pt. 

 Not A. hookerianus (T. and G.) A. Gray. Proc. Am. Acad. 6:215. 

 1866, 



which is based on 



Phaca hookeriana T. and G. Fl. 1:693. 1840. 



Mexico: San Bias to Tepic. 



Astragalus hosaekiae Greene. Bull. Calif. Acad. 1 : n. 

 3. 157. 1885. 



Arizona. 



Astragalus Cleveland! Greene. Bull. Torr. Bot. Club. 9 : 



121. 1882. 



California. 



Astragalus lioodianus Howell. Erythea, 1 : 111. 1893. 

 Oregon. 



Astragalus conjunctus Wats. Proc. Am. Acad. 18:371. 



1883. 



Oregon. 



Astragalus sophoroides Jones. Zoe. 2:12. 1891. 

 Arizona. 



