374 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 



t 



29. Phaca serotina (A. Gray). 



Astragalus sei-oliniis A. dray, Pao. U. Hop. 12-': 51. 18(50. 



Type ixx:ality: "On the Okanogan, near the Columbia River," Washington. Collected 

 by Cooper. 



Range: Eastern Washington. 



Specimens exa-MINEd: "On the Okanogan, near the Columbia River, Lat. 48°, Oct. 

 Cooper"; Walla Walla Region, Brandegee 7.'ili; Ritzville, Sandherg tfr T^iherg 473, 163; 

 Conconully, Whiled i;i09; without lix-ality, rrt.sri/273; Loomis, GriffUhs tfe Cotton 343. 



Zonal distribution: Arid Transition. 



30. Phaca viridis (Nutt.). 



Astragalus viridis (Nutt.) Sheldon, Minn. Bot. Stud. 1»: 118. 1894. 



Kenlrojihgta riridis Nutt.; Torr. & Or. FI. 3.5.3. 1838. 



Kentroj^ijta montana Nutt.; Torr. & dr. Fl. S.'SS. 1&38. 



Astragalus kenfrophyta A. Gray, Proc. Acad. Phihi. 1863: 00. 186?. 



Type ux-auty: "Hills of the Platte." Collected l)y Nuttall. 



Ranoe: South Dakota to New Mexico, Wa.shington, and British America. 



Specimens exa.mined: Walla Walla Region, Brandegee 734. 



Astragalus lanocarpus Sheldon, Minn. Bot. Studies 1: 144. 1894, was based on a 

 plant collected by Joseph Howell in 1878 at Klickitat Prairie, Wjushington. We have not 

 seen this species. It is a close ally of A. purshii, from which it is said to be distinguished 

 by having narrow leaflets and stiff-hairy pods. 



VICIA. \'ETrii. 



Flow^ers in spikes or racemes on axillary j)edunclcs. 



Annuals ;p<*duncles few-flowered; flowers very small, bluish- 

 white 4. V. liirsuta. 



Perennials; peduncles mostly many-flowered. 



Flowers ochroleucous or tawny 2. V . gigantea. 



Flowers violet or bluish-purple, rarely white. -• 



Raceme 1-sided, densely 15 to 40-flowered 1. I', cracca. 



Raceme loosely 5 to 20-flowered ; leaflets ovate to A 



oblong, acutish '. . . . 2. V. americana. ^ 



Leaflets truncate 2!i. V. americann trwncata. 



Leaflets linear 2a. V. americana linearis. 



Flowers axillary, solitary or in twos, nearly sessile. 



Leaflets oblong to ovate ; pods brown 5. F. saliva. 



Leaflets linear or linear-oblong; pods black 6. F. anguslifolia. 



1. Vicia cracca L. Sp. PI. 2: 735. 1753. 

 Type locality: Europe. 



Range: British Columbia to Newfoundland, New Jersey, and Kansas. 

 Specimens examined: Whatcom County, S'l/tstfor/' 965; Gardner 4\8. 



2. Vicia americana Muhl.; Willd. Sp. PI. 3: 1096. 1801. 

 Vicia oregana Nutt.; Torr. & Gr. Fl. 1: 270. 1838. 

 Vicia sparsifolia Nutt.; Torr. & Gr. Fl. 1: 270. 1838. 

 Type locality: "Habitat in Pennsylvania." 



Range : British Columbia to New York and southward to Mexico. 



Specimens examined: Montesano, Heller 3951; Clallam County, Elmer 2.534; Mason 

 County, Kincaid; 0\y mpi&, Kincaid; T&com&, Flett 897; west Klickitat County , SuJcsdorf 

 2014, 2122; North Yakima, Mrs. Steinweg; Wenache, Whited 150, 1266, 1080; Ellensburg, 

 Whited; Cold Creek, Cotton 399; Sunnyside, Cotton 372; Little Spokane River, Kreager 

 599; Crab and Wilson Creeks, Sandherg <& Leiherg 308; Almota, Piper 1486; Tukanon 

 River, Lake <& Hull 437; Loomis, Griffiths cfe Cotton 339. 



Zonal distribution: Upper Sonoran and Transition. 



