PIPER—-FLORA OF THE STATE OF WASHINGTON. 157 
3. Scirpus subterminalis Torr. FI]. U.S. 1: 47. 1824. 
Type LocaLity: Near Deerfield, Massachusetts. 
Rance: Washington to New Brunswick, south to Pennsylvania. 
SPECIMENS EXAMINED: Mount Adams, Howell, August, 1882; Falcon Valley, Suksdorf 88. 
4. Scirpus pauciflorus Lightf. Fl. Scot. 2: 1078. 1777. 
Eleocharis pauciflora Link, Hort. Berol. 1: 284. 1827. 
Type Locatity: Highlands of Scotland, “as upon Malgbyrdy in Breadalbane.”’ 
Rance: British Columbia to Labrador, south to Washington, Colorado, and New York. 
SPECIMENS EXAMINED: Mount Adams, Suksdorf 90; Alkali Lake, Sandberg & Leiberg 416. 
5. Scirpus nevadensis 8. Wats. Bot. King Explor. 360. 1871. 
Type Locauity: “Shore of Soda Lake in Carson Desert, Nevada.” 
Rance: Washington to Nevada. 
SPECIMENS EXAMINED: Crab and Wilson creeks, Lake & Hull 364; Sandberg & Leiberg 
266; Condons Ferry, Griffiths & Cotton 416. 
ZONAL DISTRIBUTION: Upper Sonoran. 
6. Scirpus validus Vahl, Enum. P|. 2: 268. 1806. 
Type Loca.ity: “ Habitat in Carabeis.”’ 
Rance: Washington to Nova Scotia, southward to California, Texas, and the West 
Indies. 
SPECIMENS EXAMINED: Waitsburg, Horner, 512; Wenache, Whited 584. 
ZONAL DISTRIBUTION: Arid Transition. 
7. Scirpus occidentalis (S. Wats.) Chase, Rhodora 6: 68. 1904. TULE. 
Scirpus lacustris occidentalis 5. Wats. Bot. Cal. 2: 218.°1876. 
Type Locauity: San Diego County, California. 
Rance: British Columbia to California, eastward to New England. 
SPECIMENS EXAMINED: Seattle, Smith 1012; Falcon Valley, Suksdorf 85; North Yakima, 
Henderson, May, 1892; Cascade Mountains, Tweedy 2; Cascade Mountains to Colville, 
Lyall in 1860; Alma, Elmer 539; Douglas County, Lake & Hull 394; Davis Lake, Kreager 
435; Toppenish, Cotton 773; Priest Rapids, Cotton 1400. 
ZONAL DISTRIBUTION: Transition and Upper Sonoran. 
8. Scirpus americanus Pers. Syn. 1: 68. 1805 (March). 
Scirpus pungens Vahl, Enum. 2: 255. 1805 (October). 
Type Locauiry: ‘Hab. in Carolina inferiore.” 
Rance: Throughout North America. Chile. 
SPECIMENS EXAMINED: Whidby Island, Gardner 305; Tacoma, Flett, September, 1896; 
Westport, Henderson in 1892; Alma, Elmer 533; Crab and Wilson creeks, Sandberg & Lei- 
berg 332, 324; Wilson Creek, Sandberg & Leiberg, July, 1893; Medical Lake, Sandberg & 
Leiberg 55; Waitsburg, Horner 207; Tacoma, Fett 2235; Stuart Island, Lawrence 35. 
ZONAL DISTRIBUTION: Transition. 
9. Scirpus brittonianus nom. nov. 
Scirpus campestris Britton, Ill. Fl. 1: 267, 1896, not Roth. 1800. 
Scirpus robustus campestris Fernald, Rhodora 2: 241. 1900. 
.TypE Loca.ity: “Manitoba and Minnesota to Nebraska, Kansas, and Mexico, west to 
Nevada.” 
Rance: Washington to Manitoba, south to Mexico. 
SPECIMENS EXAMINED: Wilson Creek, Sandberg & Leiberg 333; Satus, Elmer 1067; Black 
Rock Spring, Suksdorf 465. 
ZONAL DISTRIBUTION: Upper Sonoran. 
10. Scirpus robustus Pursh, FI. 1: 56. 1814. 
Type Locauiry: ‘In salt marshes and on the banks of rivers, common”? in the Atlantic 
States. 
