RYDBERG: Rocky MOUNTAIN FLORA 47 
such a character. It grows on sandy river banks at an altitude 
of about 1,600 m. 
Utau: Proposed dam site, near Wilson Mesa, Grand County, 
July 1, 1911, Rydberg & Garrett 8367 (type, in herb. N. Y. Bot. 
Gard.). 
Psoralea juncea Eastw. was described as being leafless, the 
leaves being reduced to scales. This is true as far as the stem- 
leaves are concerned. The basal leaves, which soon wither away, 
are digitately 3-5-foliolate with lanceolate wee 2-3 cm. long, 
grayish, strigose and strongly veiny. 
Psoralea obtusiloba Torrey has been collected in Colorado by 
Tweedy. 
Parosela polydenia (Torr.) Heller, P. Fremontii (Torr.) Vail, P. 
Johnsoni (S. Wats.) Vail, and P. amoena (S. Wats.) Vail have been 
collected in southern Utah. 
Phaca ampullaria (S. Wats.) Rydb. 
Astragalus ampullarius S. Wats. Am. Nat. 7: 300. 1873. 
Phaca Wardii (A. Gray) Rydb. 
Astragalus Wardit A. Gray, Proc. Am. Acad. 12: 55. 1877. 
Phaca subcinerea (A. Gray) Rydb. . 
Astragalus subcinereus A. Gray, Proc. Am. Acad. 13: 366. 1878. 
Phaca Cusickii (A. Gray) Rydb. 
Astragalus Cusickii A. Gray, Proc. Am. Acad. 13: 370. 1878. 
Phaca sabulonum (A. Gray) Rydb. 
Astragalus sabulonum A. Gray, Proc. Am. Acad. 13: 368. 1878. 
Phaca Preussii (A. Gray) Rydb. 
Astragalus Preussit A. Gray, Proc. Am. Acad. 6: 222. 1864. 
Phaca serpens (M. E. Jones) Rydb. 
Astragalus serpens M. E. Jones, Proc. Cal. Acad. II. 5: 641. 1895. 
Phaca Silerana (M. E. Jones) Rydb. 
Astragalus Sileranus M. E. Jones, Zoe 2: 242. 1891. 
