PIPER FLORA OF THE STATE OF WASHHSTGTON. 341 



Specimens examined: Wliidby Island, G^arcZner 102; Lopez Island, LyoZZ in 1858; Silver- 

 ton, Bouck 54; Cascade Mountains, latitude 49°, Lyall; Skokomish River, Kincaid, June 

 9, 1892; west Klickitat County, SuJcsdorf 117. 



Zonal distribution: Transition. 



5. Fragaria helleri Holzinger, Bot. Gaz. 21: 36. 1896. 

 Typ3 locality: Idaho. 



Range: Idaho and Washington. 



Specimens examined: Olympia, Henderson in 1892; Woodlawn, Henderson in 1892. 



These specimens may really/ be forms of the preceding. 



6. Fragaria platypetala Rydberg, Mon. N. A. Pot. 177. 1898. 

 Type locality: Alaska. 



Range: Alaska to California and Colorado. 



Specimens examined: Along Twisp River, Whited 180; Klickitat River, Flett 1408; 

 Rock Creek, Sandberg & Leiberg 86; without locality, Vasey in 1889; Spokane Valley 

 Lyall in 1861; Spokane, Piper, May 16, 1896; Marshall Junction, Piper, July, 1896; Mount 

 Carlton, Kreager 262. 



Zonal distribution: Arid Transition. 



This is the western representative of F. mrginiana Duch., to which it has been referred, 



* ARGENTINA. 



1. Argentina anserina (L.) Rydberg, Mon. N. A. Pot. 159. 1898. 



Potentilla anserina L. Sp. PI. 1: 495. 1753. 



Potentilla anserina grandis Torr. & Gr. Fl. 1 : 444. 1840. 



Potentilla paeifica Howell, Fl. N. W. Am. 179. 1898. 



Type locality: "Habitat in Europae pascuis; in argillosis argentea." 



Range: Circumboreal, extending southward in North America to New Jersey, Arizona, 

 and California. 



Specimens examined: Hoquiam, Lamb 1080; Clallam County, Elmer 2525; Orchard 

 Point, Piper, July, 1895; Tacoma, Flett 212; Ilwaco, Piper 4920. 



Zonal distribution: Humid Transition. 



la. Argentina anserina concolor Rydberg, Mon. N. A. Pot. 160. 1898. 



Potentilla anserina concolor Ser. in DC. Prod. 2: 582. 1825. 



Type locality: None given. 



Range: Alaska to New Mexico. Maine. Siberia. 



Specimens examined: Along Methow River, Whited 9, 226; Alma, Elmer 545; Cascade 

 Mountains to Fort Colville, Lyall in 1860; Spangle, Piper, May 31, 1901; Marshall Junction, 

 Piper 2255; without locality, Vasey 319; Mission, Kreager 485. 



Zonal distribution: Arid Transition. 



COMARUM. 



1 . Comarum palustre L. Sp. PI. 1 : 502. 1753. 



Potentilla palustns Scop. Fl. Carn. ed. 2. 1 : 359. 1772. 



Type locality: European. 



Range: Northern portion of North America. Europe. Asia. 



Specimens examined: Port Ludlow, Binns; Seattle, Piper, July, 1892; White Salmon 

 SuJcsdorf; Marshall Junction, Piper, July, 1896; Big Meadows, Stevens County, 

 Kreager 427. 



Zonal distribution; Transition. 



DASIPHORA. 



1. Dasiphora fruticosa (L.) Rydberg, Mon. N. A. Pot. 188. 1898. 

 Potentilla fruticosa L. Sp. PI. 1: 495. 1753. 

 Type locality: "Habitat in Eboraco, Anglia, Oelandia australi, Sibiria." 



