254 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 
8. Silene oregana S. Wats. Proc. Am. Acad. 10: 343. 1875. 
Type Locauity: ‘In the Blue Mountains, Oregon.” Collected by Nevius. 
Rance: Oregon and Washington to Montana. 
SPECIMENS EXAMINED: Upper Naches River, Henderson 2567; Mount Stuart, Elmer 1237; 
White Salmon, Suksdorf in 1878; Simeoe Hills, Howell 311; Skamania County, Suksdorf 
2038; Wenache Mountains, Whited 1297; Clarks Springs, Areager 576; Blue Mountains, 
Piper 2393. 
ZONAL DISTRIBUTION: Canadian and Hudsonian. 
9. Silene spaldingii S. Wats. Proc. Am. Acad. 10: 344. 1875. 
Type Locaiity: ‘On the Clear Water,” Idaho. Collected by Spalding. 
RanGe: Washington, Oregon, and Idaho. 
SPECIMENS EXAMINED: Cheney, Mrs. Tucker in 1900. 
ZONAL pistripuTion: Arid Transition. 
10. Silene scouleri Hook. Fl. Bor. Am. 1: 88. 1830. 
Tyre Locauity: Fort Vancouver, Washington. Collected by Scouler. 
RancGE: British Columbia to Oregon and Colorado. 
SPECIMENS EXAMINED: Chambers 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, Horner 571. 
ZONAL DISTRIBUTION: Arid Transition. 
11. Silene suksdorfii Robinson, Bot. Gaz. 16: 44. 1891. 
Type Locatity: ‘‘ Mt. Paddo (Adams), at 7,000 to 8,000 feet altitude.” Collected by 
Suksdorf. 
Rance: Washington to California. 
SPECIMENS EXAMINED: Mount Rainier, Allen, 239; Piper 2135, 623; Mount Stuart, 
Elmer 1178; Brandegee 654; Mount Adams, Henderson, August, 1892; Suksdorf 47; Howell 
& Henderson, August, 1882; White River, Flett 304. 
ZONAL DISTRIBUTION: Arctic. 
12. Silene douglasii Hook. Fl. Bor. Am. 1: 88. 1830. 
Silene dilatata Suksdorf, Deutsch. Bot. Monatss. 16: 212. 1898. 
TypE Locatity: ‘Abundant in mountain valleys, above the Grand Rapids of the Colum- 
bia, and among the Rocky Mountains on their western declivity.”. Collected by Douglas. — 
Rance: British Columbia to California and Montana. 
SPECIMENS EXAMINED: Olympic Mountains, Piper 2216; Elmer 2744, 2747; Wenache, 
Whited 14; Mount Stuart, Sandberg & Leiberg 574; Goat Mountains, Allen 124g: west 
Klickitat County, Suksdorf 2156; Falcon Valley, Suksdorf’7; 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 8S. Wats. Proc. Am. Acad. 10: 340. 1875. 
TypPE Locairy: “On the débris at the base of Castle Rock, Cascades,’’ Washington, 
Collected by Harford & Dunn. 
SPECIMENS EXAMINED: Castle Rock, Harford & Dunn. 
This is probably only a starved shade plant, and not distinct. It is known only from the 
type specimen. 
12b. Silene douglasii brachycalyx Robinson, Proc. Am, Acad. 28: 145, 1893. 
Silene columbiana Howell, Fl. N. W. Am. 78. 1897. 
TYPE LOCALITY: Multnomah County, Oregon. 
Rance: Washington and Oregon. 
SPECIMENS EXAMINED: Cape Horn, Skamania County, Suksdorf 2436; Baldy Peak, 
Chehalis County, Lamb 1321. 
