FLOWERING PLANTS AND FERNS OF ARIZONA 477 



at apex than in the type. More material is required before it can be 

 decided definitely whether A. lancearius is specifically distinct from 

 A. episcopus. 



4. Astragalus wingatanus S. Wats., Amer. Acad. Arts and Sci. Proc. 



18: 192. 1883. 



Homalobus wingatanus Heller, Muhlenbergia 1: 145. 1906. 



Apache and Navajo Counties, 6,000 to 6,500 feet, May and June. 

 Southern Colorado and Utah, northwestern New Mexico, and north- 

 eastern Arizona. 



5. Astragalus junciformis A. Nelson, Torrev Bot. Club Bui. 26: 9. 



1899. 



Homalobus junceus Nutt. ex Torr. and Gray, Fl. North Amer. 



1: 351. 1838. 

 Astragalus junceus A. Grav, Amer. Acad. Arts and Sci. Proc. 



6:230. 1864. Not Ledeb., 1826. 

 Homalobus junciformis Rydb., Torrey Bot. Club Bui. 32: 666. 



1906. 



Near Holbrook, Navajo County {Hough 37). Montana and Idaho 

 to Arizona and Nevada. 



6. Astragalus coltoni M. E. Jones, Zoe 2: 237. 1891. 



Homalobus coltoni Rydb., Torrey Bot. Club Bui. 50: 269. 

 1923. 



Apache County, near Sweetwater (Peebles and Smith 13557), also 

 in New Mexico, in the Carrizo Mountains, a range which extends into 

 Arizona (Matthews in 1892), about 6,000 feet, May and June. Utah 

 and northeastern Arizona. 



The Arizona form is var. moabensis M. E. Jones (Homalobus cano- 

 virens Rydb.), which has a well-developed terminal leaflet jointed to 

 the rachis and may be specifically distinct. 



7. Astragalus haydenianus A. Gray in T. S. Brandeg., U. S. Geol. 



and Geog. Survey Ter. Rpt. 2: 235. 1876. 



Astragalus scobinatulus Sheldon, Minn. Geol. and Nat. Hist. 



Survey Bot. Studies 1: 24. 1894. 

 Diholcos scobinatulus Rydb., Torrey Bot. Club Bui. 40: 51. 



1913. 



House Rock, Coconino County (Jones 25427). Wyoming to 

 Nevada and northern Arizona, 



This is easily distinguished by its dense, many-flowered racemes and 

 pendulous, transversely ribbed, longitudinally furrowed pods. It is 

 common on, if not confined to seleniferous soils and hence is doubtless 

 toxic to animals. 



8. Astragalus confertiflorus A. Gray, Amer. Acad. Arts and Sci. Proc. 



13: 368. 1878. 



Onemidophacos confertiflorus Rydb., Torrev Bot. Club Bui. 

 40: 52. 1913. 



Near Rock Point, Apache County (Peebles and Smith 13541), 50 

 miles south of Lees Ferry, Coconino County (Jones in 1S90), northern 



