PIPER—-FLORA OF THE STATE OF WASHINGTON, 337 
1. Potentilla rivalis Nutt : Torr. & Gr. Fl. 1: 437. 1840. 
Type vocatiry: “In alluvial soil along the Lewis River.”’ Collected by Nuttall. 
Rance: Washington and Saskatchewan to Mexico, 
SPECIMENS EXAMINED: Almota, Piper 2734. 
ZONAL DISTRIBUTION: Upper Sonoran, 
2. Potentilla monspeliensis L. Sp. Pl. 1: 499. 1753. 
Potentilla hirsuta Michx. Fl. 1: 303, 1803. 
Potentilla norvegica American authors. 
Type Locauity: ‘ Monspelii.”’ 
Rance: Labrador to Virginia and westward. Asia. 
SPECIMENS EXAMINED: Latitude 49°, Lyall in 1858-9; Green River Hot Springs, Piper 
441: Yelm Prairie, Piper 483; Segualiche Lake, Piper 442; Silverton, Bouck 51a; Marshall 
Junction, Piper 2256. 
ZONAL DISTRIBUTION: Transition and Canadian. 
3. Potentilla millegrana Engelm.; Lehm. Ind. Sem. Hort. Hamb. 1849: 11. 1849. 
Potentilla leucocarpa Rydberg in Britt. & Br. Il. Fl. 2: 212. 1897. 
Type LocaLity: America borealis. 
Rance; Washington to Illinois, California, and New Mexico. 
SPECIMENS EXAMINED: Tacoma, Flett 879, 68, 22; west Klickitat County, Suksdorf 1760; 
Mission, Kreager 491. 
ZONAL DISTRIBUTION: Arid Transition. 
4. Potentilla biennis Greene, Fl. Fran. 1: 65. 1891. 
Potentilla lateriflora Rydberg, Bull. Torr. Club 23: 261, 1896. 
Type LocaLity: California “in moist places in the mountains from Butte Co. to Kern 
and San Luis Obispo.” 
Rance: British Columbia and Assiniboia to California and Arizona. 
SPECIMENS EXAMINED: Tacoma, Flett 22, 68, 877; Clealum, Henderson, August, 1892; 
Wenache, Whited 76, 1077; Ellensburg, Whited 458; Elmer 381; Piper, May, 1897; Pasco, 
Hindshaw 42; Crab and Wilson creeks, Sandberg & Leiberg 279; Almota, Lake & Hull 521; 
Piper 1847; without locality, Vasey 313; Meyers Falls, Kreager 501. 
ZONAL DISTRIBUTION: Arid Transition. 
5. Potentilla dissecta Pursh, Fl. 1: 355. 1814. 
Potentilla diversifolia Lehm. Nov. Stirp. Pug. 2: 9. 1830. 
Tyre Locauity: “Near Hudson’s Bay.” 
Ranae: British Columbia and Saskatchewan to California and Colorado. 
SPECIMENS EXAMINED: Goat Mountains, Allen 121, 251; Cascade Mountains to Fort 
Colville, latitude 49°, Lyall in 1860; without locality, Vasey; Wenache Creek, Cotton 1650, 
1232. 
5a. Potentilla dissecta glaucophylla (Lehm.) S. Wats. Proc. Am. Acad. 8: 556. 1873. 
Potentilla diversifolia glaucophylla Lehm. Rev. Pot. 73. 1856. 
Type Locauity: Black Hills. Collected by Nuttall. 
Rance: California to Colorado and northward. 
SPECIMENS EXAMINED: Mount Rainier, Piper 1998. 
6. Potentilla permollis Rydberg, Bull. Torr. Club 28: 175. 1901. 
Tyre Locauity: Endicott, Whitman County, Washington. Collected by Elmer. 
Rance: Eastern Washington. 
SPECIMENS EXAMINED: Crab and Wilson creeks, Sandberg & Levberg 315; Endicott 
Elmer 1830; without locality, Vasey in 1889. 
ZONAL DISTRIBUTION: Arid Transition. 
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