PIPER FLORA OF THE STATE OF WASHINGTON. 337 



1. PotentiUa rivalis Xvitt ■ Torr. & Gr. Fl. 1: 437. 1840. 



Type locality: "In alluvial soil along the Lewis Kiver." Collected b}' Xuttall. 

 Range: Wa.shington and Saskatchewan to ^lexico. 

 Specimens examined: Almota, Piper 2734. 

 Zonal distribl'tion: Upper Sonoran. 



2. PotentiUa monspeliensis L. Sp. Pi. 1: 499. 1753. 

 PofentUJa hlrsufa Michx. F\. 1: 303. 1803. 

 PotentiUa norvegica American authors. 



Ty^pe locality: "Monspelii."" 



Range: Labrador to Virginia and westward. Asia. 



Specimens examined: Latitude 49°, LyaU in 1858-9: Green River Hot Springs, Piper 

 441; Yelm Prairie, Pipe/' 483; Segualiche Lake, Piyw 442: Silverton, Po^/ct 51a: Marshall 

 Junction, Piper 2256. 



Zonal distribution: Transition and Canadian. 



3. PotentiUa miUegrana Engelm.; Lehm. Ind. Sem. Hort. Plamb. 1849: 11. 1849. 

 Poitntilla hncocnrpn Pvvdberg in Britt. & Br. 111. Fl. 2: 212. 1897. 



Ty"pe locality: America borealis. 



Range: Washington to Illinois, California, and New Mexico. 



Specimens examined: Tacoma, Flett 879, 68, 22; west Klickitat County, Svlcsdorf 170)0; 

 Mission, Kreager 491. 



Zonal distribltion: Arid Transition. 



4. PotentiUa biennis Greene, Fl. Fran. 1: 65. 1891. 

 PotentiUa lateriflora Rydberg, Bull. Torr. Clui) 23: 261. 1896. 



Ty'pe LOCALITY': California "in moist places in the mountains from Butte Co. to Kern 

 and San Luis Obispo.'' 



Range: British Columbia and Assiniboia to California and Arizona. 



Specimens examined: Tacoma, Flett 22, 68, 877; Clealum, Henderson, August, 1892; 

 AVenache, Whited 76, 1077; Ellensburg, Whited A':&\ Elmer 381; Piper, May, 1897; Pasco, 

 Ilindshaw 42; Crab and Wilson creeks, Sandherg cC' Leiherg 2^9: Almota, Lake & Hull 521; 

 Piper 1847; without locality, Vasey 313; Mej'ers Falls, Ereager 501. 



Zonal distribution: Arid Transition. 



5. PotentiUa dissecta Pursh, Fl. 1: 355. 1814. 

 PotentiUa divertiijolia Lehm. Nov. Stirp. Pug. 2: 9. 1830. 

 Type locality: "Near Hudson's Bay." 



Range: British Columbia and Saskatchewan to California and Colorado. 



Specimens examined: Goat Mountains, Allen 121, 251; Cascade Mountains to Fort 

 Colville, latitude 49°, Lj/a// in 1860: without locality, T^ase;y.- Wenache Creek, Co</r)?i 1650, 

 1232. 



6a. PotentiUa dissecta glaucophyUa (Lehm.) S. Wats. Proc. Am. Acad. 8: 556. 1873. 

 PotentiUa diveraifolia glaucophyUa Lehm. Rev. Pot. 73. 1856. 

 Type locality: Black Hills. Collected by Nuttall. 

 Range; California to Colorado and northward. 

 Specimens examined: Mount Rainier, Piper 1998. 



6. PotentiUa permollis Rydberg, Bull. Torr. Clu'o 28: 175. 1901. 



Type locality: Endicott, Wliitman County, Washington. Collected liy Elmer. 

 Range: Eastern Washington. 



Specimens examined: Crab and Wilson creeks, Sandherg dc Leiherg 315; Endicott 

 Elmer 1830; without locality, Vasey in 1889. 

 Zonal dlstribution: Arid Transition. 

 29418—06 M 22 



