I 



I 



PIPER FLORA OF THE STATE OF WASHINGTON. 401 



Stems simple. 



Herbage pilose-pubescent . . . 20. E. ursinum. 

 Herbage not pilose-pubescent. 

 Leaves sessile, narrow, 



erect, acute 21. E. drummondii. 



Leaves petioled, broadish, 



spreading, obtuse 22. E. delicatum. 



1. Epilobium angustifolium L. Sp. PI. 1: 347. 1753. Fireweed. 



Epilobium spicatum li&m.'F].¥r. 3: 482. 1778. 



Type LOCALrrv: European. 



Range: Alaska to Labrador, southward to California, New Mexico, and Carolina. 



Specimens examined: Silverton, Bouck 77; Fish Lake, Dunn, August 1, 1900; near 

 Egbert Springs, Sandberg & Leiherg 407; North Fork Bridge Creek, Elmer 637; Coulee City, 

 Lake & Hull 528; Fort Colville, Lyall in 1860; Cascade Mountains, latitude 49°, Lyall in 

 1859; without locality, Fase;/ 242; Rock Lake, Late cfc/?uZZ, August, 1892; Clarks Springs, 

 Kreager 126; Clallam County, Elmer 2566; North Yakima, Watt, August, 1895. 



Zonal distkibution: Upper Sonoran and Transition. 



Epilobium oPACUM,a said by Hooker to have been collected by Douglas and by Scouler 

 about Fort Vancouver, is probably a form of E. angustifolium. 



2. EpUobium latifolium L. Sp. PI. 1 : 347. 1753. 

 Type locality: Siberia. 



Range: Arctic America, southward to Oregon, Colorado, and Canada. 

 Specimens examined: Olympic Mountains, Piper 2343; Mount Rainier, Smith 875; 

 Silverton, Bouck; Horseshoe Basin, Lake & Hull 530; North Fork Bridge Creek; Elmer 664. 

 Zonal distribution: Arctic. 



3. EpUobium luteiun Pursh, Fl. 1: 259. 1814. 



Type locality: Northwest coast of America. Collected by Menzies. 



Range: Alaska to Oregon. 



Specimens examined: Mount Rainier, 7^Ze<< 300; Piper, August, 1895; Allen29S; Mount 

 Adams, Suksdorf 549; Stampede Tunnel, Henderson 2440; Horseshoe Basin, Lake cfc Hull 

 529; Mount Stuart, E'Zmer 1091 ; St^v ens F&ss, Sandberg <& Leiberg7S0 ; Cascade Mountains, 

 latitude 49°, Lyall; Clallam County, Elmer 2.560. 



Zonal distribution: Canadian and Hudsonian. 



4. Epilobium paniculatum Nutt.; Torr. & Gr. Fl. 1: 490. 1840. 



Type locality: "Plains of the Oregon and Rocky Mountains." Collected by Nuttall. 



Range: British Columbia to California, Arizona, and Colorado. 



Specimens examined: Seattle, Piper 103; Silverton, J5ouct in 1889; Tacoma, FZeW 130; 

 Nisqually Valley, ^ZZen 14; Lake Park, Piper in 1895; Mount Stuart, £Zmer 1092; Wenache, 

 Whited 1330, 1159; North Yakima, Watt in 1895; Tieton River, Cotton 488; Peshastin, 

 Sandberg cfe Leiberg 538; Lake Chelan, Lake & Hull 525; Spokane, Piper 2361, 2360; Blue 

 Mountains, Piper, August 2, 1896, 2358; Pullman, Piper 1631 ; Hull in 1892; without local- 

 ity, Vasey in 1889; Spokane, Kreager 573, 536; Clallam County, Elmer 2558, 2561; Mount 

 Carlton, Kreager 152. • 



Zonal distribution: Transition. 



4a. Epilobium. paniculatum. jucundiun (A. Gray) Trelease, Rep. Mo. Bot. Gard. 2: 

 85. 1891. 

 Epilobium jucundum A. Gray, Proc. Am. Acad. 12: 57. 1876. 

 Type locality: Scott Valley, California. Collected by Greene. 

 Range: Washington to California. 

 Specimens examined: Klickitat County' SwtstZor/" 17 ; Leavenworth, TF^i/e^Z 247. 



aLeWii. Pug. 2: 14. 1830. 

 29418— OG M 20 



