52 RYDBERG: Rocky MOUNTAIN FLORA 
Phacopsis scaphoides (M. E. Jones) Rydb. 
Astragalus arrectus scaphoides M. E. Jones, Proc. Calif. Acad. IT. 
5: 664. 1895. 
Cnemidophacos confertiflorus (A. Gray) Rydb. 
Astragalus confertiflorus A. Gray, Proc. Am. Acad. 13: 368. 1878. 
Cnemidophacos argillosus (M. E. Jones) Rydb. 
Astragalus argillosus M. E. Jones, Zoe 2: 241. 1891. 
Cnemidophacos reventoides (M. E. Jones) Rydb. 
Astragalus reventoides Jones, Proc. Calif. Acad. II. 5: 661. 1895. 
Cnemidophacos reventus (A. Gray) Rydb. 
Astragalus reventus A. Gray, Proc. Am. Acad. 15: 46. 1880. 
Kentrophyta tegetaria (S. Wats.) Rydb. 
Astragalus tegetarius S. Wats. Bot. King Exped. 76. 1871. 
Homalobus lingulatus (Sheld.) Rydb. 
Astragalus lingulatus Sheld. Minn. Bot. Stud. 1: 118. 1894. 
Homalobus exilifolius (A. Nels.) Rydb. 
Astragalus exilifolius A. Nels. Bull. Torrey Club 26: 10. 1899. 
Homalobus simplicifolius (Nutt.) Rydb. 
Phaca simplicifolia Nutt.; T. & G. Fl. N. Am. 1: 350. 1838. 
Astragalus simplicifolius A. Gray, Proc. Am. Acad. 6: 231. 1864. 
Homalobus lancearius (A. Gray) Rydb. 
Astragalus lancearius A. Gray, Proc. Am. Acad. 13: 370. 1878. 
Homalobus miser (Dougl.) Rydb. 
Astragalus miser Dougl.; Hook. Fl. Bor.-Am. 1: 153. 1831. 
Homalobus Dodgeanus (M. E. Jones) Rydb. 
Astragalus Dodgeanus M. E. Jones, Zoe 3: 289. 1893. 
Mr. Sheldon placed this next to Astragalus glabriusculus 
(Hook.) Gray, but its pod has not a trace of a partition and the 
plant is a true Homalobus, not an Atelophragma. 
