160 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 



July, 1889; west Klickitat County, Suisdorf 90; Kittitas County, Sandberg <fc Leiberg 705; 

 EUensburg, Whited, July, 1897; Wenache, Whited 82; Westport, Henderson, June, 1892; 

 Lamb 1103; Crab and Wilson creeks, Sandberg d; Leiberg 323; Pend Oreille River, Lj/att in 

 1861; Pullman, Elmer 295; Clallam County, Elmer 2724; Lake Kalispel, Kreager, 333, 444; 

 Newport, Kreager, 453, Mount Carlton, Kreager, 289; Grand Coulee, Griffiths cfe Cotton, 

 452; Cow Creek, Griffiths cfe Cotton, 502, 523; Cow Creek to Ephrata, Griffiths cfc Coton, 

 466; Prosser, Cotton 660; Toppcnish, Cotton 788. 



Zonal distribution: Transition and Upper Sonoran. 



A variable species which has been much subdivided by European authors. Our form was 

 referred to E. multicaulis Smith in Hooker's Flora. 



3. Eleocharis obtusa Schultes, Mant. 2: 89. 1824. 

 Scirpus obtusus Willd. Enum. Hort. Berol 76. 1809. 

 Type locality: "Habitat in America boreali." 



Range: British Columbia to New Brunswick, south to Kansas and the Gulf of Mexico. 



Specimens examined: Near Montesano, Heller 4073; Henderson, June, 1892; Seattle, 

 Piper mi; Vancouver Lake, Switsrfor/" 2328; Manor, Piper 3076; Almota,Pt;)er, July, 1897; 

 Eastern Washington, Lake cfc Hnll 361; Green River Hot Springs, Piper 6280; Waitsburg, 

 Horner 14. 



Zonal distribution: Humid Transition. 



3a. Eleocharis obtusa gigantea Fernald, Proc. Am. Acad. 34: 493, 1899. 

 Type locality: Cascade Mountains, latitude 49°. Collected by Lyall. 

 Range: British Columbia to Oregon. 

 Specimens examined: Cascade Mountains, latitude 49°, Lyall in 1859. 



4. Eleocharis monticola Fernald, Proc. Am. Acad. 34: 496. 1899. 

 Type locality: Plumas County, California. 



Range: Washington to California. 



Specimens examined: Parker, A. D. Dunn, August 8, 1901; Bingen, Suksdorf 2583. 



4a. Eleocharis zaonticola leviseta Fernald, Proc. Am. Acad. 34: 496. 1899. 

 Type locality: Coeur d'Alene River, Kootenai County, Idaho. 

 Range: Washington and Idaho. 

 Specimens examined: Lake Kalispel, Kreager 332a, 332b. 



6. Eleocharis acicularis (L.) Roem. & Schult. Syst. 2: 154. 1817. 



Scirpus acicularis L. Sp. PI. 1 : 48. 1753. • 



Type locality: Europe. 



Range: Temperate North America. Europe. Asia. 



Specimens examined: Seattle, Smith 662; west Klickitat County, Suksdoif 225; Wil- 

 son Creek, Lake & Hull 388; Pend Oreille River, Lyall in 1861, Pullman, Piper 1938, 

 August, 1893; Lake Kalispel, Kreager 331. 



Zonal distribution: Transition. 



5a. Eleocharis acicularis bella Piper, Fl. Palouse Reg. 35. 1901. 



Type locality: Pullman, Washington. 



Range: Washington. 



Specimens examined: West Klickitat County, Suksdorf 226; Cascade Mountains, 

 Tweedy 42; Spokane, Piper 2642; Pullman, Piper 3055; without locality, Va'sey in 1889. 



6. Eleocharis rostellata Torr. Fl. N. Y. 2: 347. 1843. 



Scirpus rosiellatus Torr. Ann. Lye. N. Y. 3: 318. 1836. 



Type locality: Penn Yan, New York. 



Range: British Columbia to New England, south to California and Florida. 



Specimens examined: Skamania County, 6'uA:sc/or/ 2237; Falcon Valley, <S?(A:4'c/or/" 2820, 

 2537. 



