254 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 



8. Silene oregana S. Wats. Proc. Am. Acad. 10: 343. 1875. 



TiPE uxwlity: "In the Blue Mountains, Oregon." Collected by Nevius. 



Raxge: Oregon and Washington to Montana. 



Specimens examined: Upper Naches River, Henderson 2567 ; Mount Stuart, Elmer 1237 ; 

 White Salmon, Suksdorf in 1878; Simcoe IliHs, Howell 311; Skamania County, Siiksdotf 

 2038; Wenache Mountains, Whited 1297; Clarks Springs, Kreager 576; Blue Mountains, 

 Piper 2393. 



ZoNAi> distkibition: Canadian and Hudsonian. 



9. Silene spaldingii S. Wats. Proc. Am. Acad. 10: 344. 1875. 



Type locality: "On the Clear Water," Idaho. Collected by Spalding. 

 Range: Washington, Oregon, and Idaho. 

 Specimens examined: Cheney, Mrs. Tucker in 1900. 

 Zonal distkibition: Arid Transition. 



10. Silene scouleri Hook. Fl. Bor. Am. 1 : 88. 1830. 



Ti'PE ix)CALITY' : Fort Vancouver, Washington. Collected by Scolder. 



Range: British '"olumbia to Oregon and Colorado. 



Specimens examined: Chaml)ers Prairie, Henderson, August 8, 1892; Yelm Prairie, 

 Smith 621; Tacoma, Flett 875; Lake Park, Piper, July 27, 1896; near Mount Stuart, 

 Brandegee 656; Tieton River, Cotton 491; Blue Mountains, Homer 571. 



2iONAL distribution: Arid Transition. 



11. Silene suksdorfii Robinson, Bot. Gaz. 16: 44. 1891. 



TiPE ixkality: "Mt. Paddo (Adams), at 7,000 to 8,000 feet altitude." Collected by 

 Suksdorf. 



Range: Washington to California. 



Specimens examined: Mount Rainier, Allen, 239; Piper 2135, .623; Mount Stuart, 

 Elmer 1178; Brandegee 654; Mount Adams, Herukrson, August, 1892; Suksdorf AT; Howell 

 & Henderson, August, 1882; White River, Flett 304. 



Zonal distkibution: Arctic. 



12. Silene douglasii Hook. Fl. Bor. Am. 1 : 88. 1830. 



Silene dilatata Suksdorf, Deutsch. Bot. Monatss. 16: 212. 1898. 



Type locality: "Abundant in mountain valleys, above the Grand Rapids of the Colum- 

 bia, and among the Rocky Mountains on their western declivity." Collected by Douglas. 



Range: British Columbia to California and Montana. 



Specimens examined: Olympic Mountains, Piper 2216; Elmer 2744, 2747; Wenache^ 

 Whited 14; Mount Stuart, Sandberg cfe Leiherg 574; Goat Mountains, Allen 124a; west 

 Klickitat County, Suksdorf 2\?ifS; Falcon Valley, Suksdorf!; Blue Mountains, Lake <& Hull, 

 July 4, 1892; without locality, Vasey in 1889; Cape Horn, Piper 5016. 



Zonal distribution : Hudsonian to Transition. 



12a. Silene douglasii monantha (S. Wats.) Robinson, Proc. Am. Acad. 28: 145. 1893. 



Silene monantha S. Wats. Proc. Am. Acad. 10: 340. 1875. 



Type locality: "On the debris at the base of Castle Rock, Cascades," Washington. 

 Collected by Harford & Dunn. 



Specimens examined: Castle Rock, Harford cfc Dunn. 



This is probably only a starved shade plant, and not distinct. It is known only from the 

 type specimen. 



ISb. Silene douglasii brachycalyx Robinson, Proc. Am. Acad. 28: 145. 1893. 



Silene columbiana Howell, Fl. N. W. Am. 78. 1897. 



Type locality: Multnomah County, Oregon. 



Range: Washington and Oregon. 



Specimens examined: Cape Horn, Skamania County, Suksdorf 2436; Baldy Peak, 

 Chehalis County, Land) 1321. 



