486 MISC. PUBLICATION 42 3, U. S. DEPT. OF AGRICULTURE 



51. Astragalus egglestonii (Rydb.) Kearney and Peebles, Wash. 



Acad. Sci. Jour. 29: 484. 1939. 



Tium egglestonii Rydb., North Amer. Fl. 24: 396. 1929. 



White Mountains, Apache County, 6,500 to 8,800 feet, August. 

 New Mexico and eastern Arizona. 



Very similar to A. rusbyi, and scarcely more than a variety of that 

 species. 



52. Astragalus recurvus Greene, Calif. Acad. Sci. Bui. 1: 155. 1885. 



Tium recurvum Rydb., North Amer. Fl. 24: 397. 1929. 



Coconino, Gila, and Yavapai Counties, 5,000 to 7,000 feet, June, 

 type from "mountains of northern Arizona." Utah and Arizona. 



Similar in most characters to the 2 preceding species, but the pods 

 sessile or nearly so. 



53. Astragalus eremiticus Sheldon, Minn. Geol. and Nat. Hist. Sur- 



vey Bot. Studies 1: 161. 1894. 



Astragalus arrectus A. Gray var. eremiticus M. E. Jones, Calif. 



Acad. Sci. Proc. ser. 2, 5: 665. 1895. 

 Tium eremiticum Rydb., Torrey Bot. Club Bui. 40: 49. 1913. 

 Peach Springs, Chloride, Pagumpa Springs, etc. (Mohave County), 

 3,500 to 4,500 feet. Idaho and Oregon to northwestern Arizona and 

 Nevada. 



54. Astragalus palans M. E. Jones, Zoe 4: 37. 1893. 



Tium palans Rydb., North Amer. Fl. 24: 397. 1929. 



Coconino County, especially in and near the Grand Canyon, 2,500 (?) 

 to 6,300 feet. Southern Utah and northern Arizona. 



An apparently undescribed species, related to A. palans but with nearly straight, 

 sparsely strigose pods and pubescent herbage, was collected at the head of Phan- 

 tom Creek, Grand Canyon (H. C. Bryant in 1939). 



55. Astragalus wilsoni Greene, Pittonia 3: 196. 1897. 



Tium wilsoni Rydb., North Amer. Fl. 24: 398. 1929. 



Coconino County, Flagstaff-Grand Canyon region, apparently also 

 at Fish Creek and near Tempe, Maricopa County (Peebles et al. 5238, 

 Harrison 1790), 1,100 to 7,000 feet, May and June, type from northern 

 Arizona. Not known outside this State. 



A somewhat vaguely defined species, and some of the specimens 

 referred to it are of uncertain identity. Those from Maricopa County 

 may represent an undescribed species. 



56. Astragalus mokiacensis A. Gray, Amer. Acad. Arts and Sci. Proc. 



13: 367. 1878. 



Tium mokiacense Rydb., North Amer. Fl. 24: 398. 1929. 



Mokiak Pass, Mohave County (Palmer 105, the type collection), 

 Lees(?) Ferry (Jones in 1890). Southwestern Utah, southern Nevada, 

 and northern Arizona. 



57. Astragalus fremontii A. Gray in Torr., U. S. Rpt. Expl. Miss. 



Pacif. 4: 80. 1857. 



Cystium fremontii Rydb., North Amer. FL 24: 407. 1929. 



"Arizona Strip" along U. S. Route 91, Mohave or Coconino County 

 (Maguire and Blood 4414), in sandy soil with Larrea, type from 



