WOOTON AND STANDLEY FLORA OF NEW MEXICO. 365 



26. Astragalus shortianus Nutt.; Torr. & Gray, Fl. N. Amer. 1: 331. 1838. 

 Astragalus ajoneus A. Gray, Mem. Amer. Acad. n. eer. 4: 34. 1849. 

 Astragalus shortianus cyaneus Jones, Contr. West. Bot. 8: 5. 1898. 

 Xylophacos shortianus Rydb. Colo. Agr. Exp. Sta. Bull. 100: 297. 1906. 

 Type locality: "Rocky Mountains, toward the plains of the Oregon." 

 Range: Northern New Mexico to Nebraska and Wyoming. 



New Mexico: Santa Fe; Shiprock; Albuquerque. Plains and hills, in the Upper 

 Sonoran Zone. 

 The type of A. ajaneus was collected near Santa Fe by Fendler (no. 148). 



27. Astragalus amphioxys A. Gray, Proc. Amer. Acad. 13: 366. 1878. 

 Xylophacos amphioxys Rydb. Colo. Agr. Exp. Sta. Bull. 100: 297. 1906. 

 Type locality: "Southern Utah and New Mexico and Northern Arizona." 

 Range: Colorado to Arizona and Texas. 



New Mexico : Albuquerque ; Carrizo Mountains. Dry hills and plains, in the Upper 

 Sonoran Zone. 



28. Astragalus bisulcatus (Hook.) A. Gray, U. S. Rep. Expl. Miss. Pacif. 12: 42. 

 1860. 



Phaca bisulcata Hook. Fl. Bor. Amer. 1: 145. 1833. 

 Diholcos bisulcatus Rydb. Colo. Agr. Exp. Sta. Bull. 100: 297. 1906. 

 Type locality: "Plains of the Saskatchewan." 

 Range: Saskatchewan and Nebraska to New Mexico. 



New Mexico : Springer; Raton; Nutritas Creek. Plains and low hills, in the Upper 

 Sonoran and Transition zones. 



29. Astragalus haydenianus A. Gray, Proc. Amer. Acad. 12: 56. 1876. 

 Diholcos hay denianus Rydb. Colo. Agr. Exp. Sta. Bull. 100: 207. 1906. 

 Type locality: Southwestern Colorado. 



Range: Wyoming to New Mexico. 



New Mexico: Nutria; Ramah; Dulce; Chama. Hillsides, iu the Transition Zone. 



30. Astragalus diversifolius A. Gray, Proc. Amer. Acad. 6: 230. 1866. 

 Homalobus orthocarpus Nutt.; Torr. & Gray, Fl. N. Amer. 1: 351. 1838, not Astra- 

 galus orthocarpus Boiss. 1849. 



Astragalus junciformis A. Nels. Bull. Torrey Club 26: 9. 1900. 



Homalobus junciformis Rydb. Colo. Agr. Exp. Sta. Bull. 100: 210. 1906. 



Type locality: "Sandy plains of the Colorado of the West, near the sources of the 

 Platte." 



Range: Idaho to Utah and New Mexico. 



New Mexico: Gallup {Ilerrick 812). Plains, in the Upper Sonoran Zone. 



Characterized by the peculiar rushlike, apparently leafless stems and slender 

 straight pods. 



31. Astragalus tenellus Pursh, Fl. Amer. Sept. 473. 1814. 

 Astragalus multijlorus A. Gray, Proc. Amer. Acad. 6: 226. 1864. 

 Homalobus tenellus Rydb. Colo. Agr. Exp. Sta. Bull. 100: 209. 1906. 

 Type locality: "On the banks of the Missouri." 



Range: Mountains of New Mexico, northward throughout the Rocky Mountain.^. 

 New Mexico: Santa Fe; Ponchuelo Creek. Transition Zone. 



32. Astragalus wingatanus S. Wats. Proc. Amer. Acad. 18: 192. 1883. 

 Homalobus wingatanus Rydb. Colo. Agr. Exp. Sta. Bull. 100: 209. 1906. 

 Type locality: Fort Wingate, New Mexico. Type collected by Matthews. 

 Range: Western New Mexico and eastern Arizona. 



New Mexico: Fort Wingate- Carrizo Mountains. Hillsides, in the Transition Zone. 



