PIPER FLORA OF THE STATE OF WASHINGTON. 423 



Peucedanum eurycarpwn Coult. & Rose, Rev. N. A. Umb. 61. 1888. 



Type locality: "Barren hills on the Oregon" (Columbia). Collected by Nuttall. 



Range: From central California through eastern Oregon and Washington to British 

 America, eastward to western Colorado and western Wyoming. 



Specimens examined: Wenache, Whited 1118, 1202, 1035; Wenache Mountains, Whited 

 1274; Fort Colville, Lyall in 1861; Spokane, Piper, May 16, 1896; Hangman Creek, Sand- 

 berg (& Leiberg 61 ; YuWm&n, Elmer 96; Piper, June 24, 1894; Garrison, Piper 1.563; Almota, 

 Piper, April 7, 1894; Blue Mountains, Piper, July 15, 1896; North Palouse River, Vasey, 

 May 6, 1902; Waitsburg, Horner 221. 



Zonal distribution: Arid Transition. 



13a. Lomatium macrocarpum semivittatum Piper, Bull. Torr. Club 29: 224. 1902. 



Type locality: "Hood River," Oregon. Collected by Henderson. 



Range: Klickitat County, Washington, and adjacent Oregon. 



Specimens examined: West Klickitat County, 5" wtsctor/" 279. 



This subspecies has been confused with L. bicolor (S. Wats.) Coult. & Rose, a species not 

 known to occur in Washington. It has apparently been since redescribed as Lomatium 

 Jiavum Suksdorf.a 



14. Lomatium artemisiarum Piper. 



Lomatium macrocarpum artemisiarum Piper, Bull. Torr. Club 29: 22.3. 1902. 



Type locality: Pasco, Washington. Collected by Piper. 



Range: Eastern Washington. 



Specimens examined: Coulee City, Piper 3884; Crab Creek, Sandberg cfc Leiberg 243; 

 without locality, Vasey 308; North Yakima, Henderson 2509, 2511, 2.574; Prosser, Hender- 

 son 2510; Pasco, Piper 2976; Hunts Junction, Leckenby, April 19, 1898; Coulee City, 

 Piper 3884; Prosser, Ootton 588; Rattlesnake Mountains, Cotton 564; Wallula, Cotton 1069. 



Zonal distribution : Upper Sonoran . 



15. Lomatium ambiguum (Nutt.) Coult. & Rose Contr. Nat. Herb. 7: 212. 1900. 

 Eulophus ambiguus Nutt. Journ. Acad. Phila. 7: 27. 1854. 



Peucedanum ambiguum Nutt.; Torr. & Gr. Fl. 1: 626. 1840. 



Type locality: "Borders of Flat-Head River," Montana. Collected by Wyeth. 



Range: From eastern Oregon to British Columbia, and eastward to Montana and 

 western Wyoming. 



Specimens examined: Wenache, Whited: Clealum, Whited 613; Mount Adams, Hen- 

 derson, August, 1892; Badger Mountains, Whited 1222; Peshastin, Sandberg cfc Leiberg 

 481; between Coulee City and Waterville, Spillman, May, 1896; Spokane, Henderson, 

 July 9, 1892; Piper 2299; Lyall in 1861; Hangman Creek, Sandberg cfc Leiberg 44, 22; 

 Pullman, Piper 1562; Elmer 827; Blue Mountains, Piper 2337; Spokane County, SuTcsdorf 

 319; without locality, Vasey 298; near Colfax, Vasey, May 25, June 26, 1S02; Mount 

 Carlton, Kreager 1561. 



Zonal distribution: Arid Transition and Upper Sonoran. 



16. Lomatium miartiiidalei angustatum Coult. & Rose, Contr. Nat. Herb. 7: 225. 



1900. 



Peucedanum martindalei angustatum Coult. & Rose, Bot. Gaz. 13: 143. 1888. 



Type locality: Rocky places "Cascade Mountains," Oregon. Collected by Howell. 



Range: Mountains of Oregon, Washington, and British Columbia. 



Specimens examined: Mount Baldy, Olympic Mountains, Lamb 1325; Olympic Moun- 

 tains, Piper, August, 1895; Flett; Mount Rainier, Piper 2008; Stampede Tunnel, Hender- 

 son 2514; Stevens Pass, Sandberg & Leiberg, August, 1893,795; Goat Mountains, yl/Zen 2.58; 

 Mount Adams, Henderson, August 9, 1892; SuTcsdorf 2&'i; Flett 1299; Skamania County, 

 Suksdorf 2\\2; Olympic Mountains, Elmer 2771; without locality, Vasey in 1889. 



Zonal distribution : Hudsonian. 



oAllg. Bot. Zeitsch. 12 : 6. 1906. 



