PIPER FLORA OF THE STATE OF WASHINGTON. 161 



RHYNCHOSPORA. 



1. Rhynchospora alba (L.) Vahl, Enuni. 2: 236. 1S06. 



Schoenus albus L. Sp. PL 1 : 44. 1753. 



Type locality: Europe. 



Range: Alaska to Labrador, south to Oregon and Florida. 



Specimens examined: ^Miatcom County, SuJcsdorf 1014; Seattle, Piper 1121; Gran- 

 ville, Conard 374. 



Zonal distribution: Humid Transition. 



CAREX. Sedge. 



1. Carex ablata Bailey, Bot. Gaz. 13: S2. 1888. 

 Carexfrigida of Ameiican authors. 



Type locality: None cited. 



Range: British Columbia to Utah and California. 



Specimens examined: Olympic Mountains, Piper 2244; Flett 823; Clallam County, 

 Elmer 2703; Mount Rainier, Allen 270; Piper 2546; Mount Stuart, Elmer 1136, 1127; 

 Mount Adams, Sulcsdo/f 25, 26; Henderson, August 8, 1892; Stevens Pass, Sandherg d" Lei- 

 herg 707 ; Cascade Mountains, Tweedy. 



Zonal distribution: Arctic. 



2. Carex accedens Holm, Am. Journ. Sci. IV. 16: 457. 1903. 

 Carex spreta Bailey, Mem. Torr. Club 1: 6. 1889, not C. spreta Steud. 



Carex siylosa virens Bailey, Proc. Am. Acad. 22: 79. 1886, not Carex virens Lam. 1789. 

 Type locality: Sauvies Island, Oregon. Collected by Howell. 

 Range: Oregon and Washington. 



Specimens examined: Mount Rainier, Pi/wr 2550; Mount Adams, //ou'fZZ, August, 1882; 

 without locality, Vasey in 1889. 



Zonal distribution: Transition to Arctic. 



3. Carex acutina tenuior Bailey, Mem. Torr. Club 1: 53. 1889. 

 Type locality: Oregon. Collected by Howell. 



Range: Washington and Oregon. 



Specimens examined: Mount Adams, Henderson 1489 (fide Bailey). 



4. Carex amplifolia Boott in Hook. Fl. Bor. Am. 2: 228. t. '226. 1839. 

 Type locality: ''Marshy places, Columbia River." Collected by Douglas. 

 Range: British Columbia to Idaho and California. 



Specimens examined: Olympic Mountains, Grant in 1889; Seattle, Piper 995; upper 

 Nisqually Valley, Allen 174; Mount Adams, SuJcsdorf 50; Cascade Mountains, latitude 

 49°, Lyall in 1859; Cascade Mountains, Henderson, July, 1892; Ellensburg, Elmer 422; 

 Tampico, Henderson, July, 1892; Falcon Valley, Suksdorf 42; without locality, Vasey in 

 1889; Clarks Springs, Kreager 26; Klickitat River, Cotton 1443. 



Zonal distribution: Transition. 



5. Carex aperta Boott in Hook. Fl. Bor. Am. 2: 218. t. 219. 1839. 

 Carex iurgidula Bailey, Bot. Gaz. 25: 271. 189S. 



Type locality: "Columbia River." Collected by Douglas and Scouler. ' 



Range: Oregon, Washington, and Idaho. 



Specimens examined: Columbia River, Scouler; west Klickitat County, Suksdorf 22, 

 64, 65, 66; Pend Oreille River, Lyall in 1861; McAllister Lake, Henderson 1788; Palouse, 

 Henderson 2088; Meyers Falls, Kreager 588; Kalispel Valley, Spillman, July 1, 1901. 



Zonal distribution: Transition. 



This species has been considered the same as C. prolixa Fries of Europe, C. acuta prolixa 

 Hornem. 



29418—06 M 11 



