372 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 
Astragalus arrectus palousensis Jones, Contr. Western Bot. 10: 68. 1902. 
Type Locauity: Kooskooskee [Clearwater] River, Idaho. Collected by Geyer. 
Rance: Eastern Washington, Eastern Oregon, and adjacent,Idaho. 
SPECIMENS EXAMINED: Pullman, Piper 1493; Elmer in 1896; without locality, Vasey 
in 1889. 
ZONAL DISTRIBUTION: Arid Transition. 
19a. Phaca arrecta leibergii (Jones). 
Astragalus arrectus leibergii Jones, Contr. Western Bot. 10: 68. 1902. 
Astragalus leibergii Jones, Proc. Cal. Acad. II. 5: 663, 1895. 
Type Locauity: “Egbert Springs,’ Douglas County, Washington. Collected by Sand- 
berg & Leiberg. 
Rance: Eastern Washington. 
SPECIMENS EXAMINED: Egbert Springs, Sandberg & Leiherg 354. 
20. Phaca mortoni (Nutt.). 
Astragalus mortoni Nutt. Journ. Acad. Phila. 7: 19, 1834. 
Type Locauiry: “About the sources and upper branches of the Missouri.” Collected 
by Nuttall. 
Rance: Washington to Saskatchewan, Dakota, and Nevada. 
SPECIMENS EXAMINED: Ellensburg, Whited; North Yakima, Henderson, May, 1892; 
Wat!, August, 1895; Mrs. Steinweg in 1894; Simcoe Valley, Lyall in 1860; Egbert Springs, 
Sandberg & Leiberg 341; Beaver Creek, Whited 22, 232; Wilson Creek, Lake & Hull 667; ° 
Spokane, Henderson, July, 1892: Piper, June, 1897; Blue Mountains, Piper, July, 1896; 
Almota, Piper 1864; without locality, Vasey in 1889; Clarks Springs, Kreager 79. 
ZONAL pistrRiBuTION: Arid Transition and Upper Sonoran. 
21. Phaca adsurgens (Pall.). 
Astragalus adsurgens Pall. Astrag. 40. pl. 31. 1800. 
Astragalus adsurgens robustior Hook. Fl. Bor, Am. 1: 149. 1830. 
Astragalus nitidus Dougl.; Hook. loc. cit. as synonym. 
Astragalus striatus Nutt.; Torr. & Gr FI, 1: 380. 1838. 
Type Locauity: “In regionem Trans-Baicalensibus, frequens ad Selengum, Ononem 
circa Tarei-noor et usque in Mongoliae desertum.” ‘ 
Rance: British Columbia to Saskatchewan, south to Oregon and Kansas. Siberia. 
SPECIMENS EXAMINED: Silver Lake, Henderson 2359. 
22. Phaca agrestis (Dougl.). 
Astragalus agrestis Dougl.; Hook. Fl. Bor, Am. 1: 148. 1830. as synonym, 
Astragalus hypoglottis of American authors. 
Typr Locauity: “On the fertile plains of the Red River, and in the south, towards 
Pembina.” 
Rance: Alaska to Hudson Bay, Nebraska, and Colorado. 
SPECIMENS EXAMINED: Ophir, Elmer 422; Ellensburg, Whited 457; Coulee City, Piper 
3872; Spillman, May, 1896; Sprague, Henderson 2361; Sandberg & Leiberg 137; Spokane 
County, Mrs. Susan Tucker, in 1892; Spangle, Piper, June, 1899; Crab Creek, Suksdorf 
286; Loomis, Griffiths & Cotton 344; Okanogan, Griffiths & Cotton 265, 
ZONAL bistRiBUTION: Arid Transition. 
23. Phaca reventa (A. Gray). 
Astragalus reventus A. Gray, Proc. Am. Acad. 15: 46. 1879. 
Type Locatity: ‘Interior of Oregon.”’ Collected by Lyall. 
Rance: Eastern Oregon and Eastern Washington. 
SPECIMENS EXAMINED: North Yakima, Henderson in 1892; Mrs. Steinweg; Tampico, Hen- 
derson in 1892; Klickitat County, J. Howell, in 1878 and 1882, Cleman Mountain, Hender- 
son; Bishops, Piper 2887; Wawawai, Elmer 795, 3059; Blue Mountains, Lake & Hull 
688; without locality, Vasey, in 1889. 
ZONAL pIsTRIBUTION: Arid Transition. 
