116 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 



9. Calamagrostis langsdorffii Trin. Gram. Unifl. 225. t. J;./. 10. 1824. 

 Calniuagrostis oreffonentds Buckl. Proc. Acad. Phila. 1862: 9^2. 1S()3. 

 Calamagrostis columbiensis ^utt.; A. Gray, I'nx-. Acad. Pliila. 1862: XJ4. 1863. 

 Type locality: "Tobolsk," Siberia. 



Range: Alaska to Greenland, south to California, Now Mexico, Michigan, and North 

 Carolina. Europe. Asia. 



Speclmess examined: Olympic Mountains, Pifvr 19SG; Elmer 1671, 1672; Mount 

 Rainier, Smith 981; Tatcxwh Mountains, Allen 176; Goose Lake, Flett 1378; Cascade Moun- 

 tains, Henderson 2157: Vasey in 1889: Sandberg d' Leifterg 795; North Fork of Bridge 

 Creek, Elmer 680; Mount Adams, Howell in 1882; Suk.<tdorfS7, 204. 



Zonal distribution: Mainly Iludsonian and Arctic. 



9a. Calamagrostis langsdorffii lactea (Beal) Kearney, U. S. Dept. Agr. Div. Agrost. 

 Bull. 11:28. 18t)8. 

 Calamagrostis lactea Beal, Grasses N. \n\. 2: 346. 1896. 

 Deyeuxia lactea Suk.sdorf in Beal, Grasses N. Am. 2: 346. 1896, as synonym. 

 Type lcx-ality: "Washington; banksof the North Fork of Nooksack River, near Mount 



Baker." Collected by Suksdorf. 

 Range: Washington. 



Specimens exa.mined: Near Mount Baker. ^'(/AWo// 1022, 1023; Falcon Valley , iSwA*- 

 dorf 206. 



10. Calamagrostis canadensis (Michx.) Beauv. Agrost. 15, 157. 1812. 

 Aritndv canadensis Michx. Fl. 1: 73. 1803. 



Type locality': "Hab. in Canada." 



Range: British Columbia to Nova Scotia, southward to New Jersey, Ohio, Utah, and 

 Oregon. 



Specimens examined: Wenache region, Brandegee 1169; Klickitat County, SuksdorJ 

 2127; Thorn Creek, Whitman County, Vosej/, July 9, 1901; Pulhnan, /iroc/ie August, 1898; 

 Piper 3037; Henderson 2162; Big Meadows, Kreager 411; Spokane County, Suksdorf 

 86,90a. 



Zonal distribution: Transition. 



10a. Calamagrostis canadensis acuminata Vasey, U. S. Dept. Agr. Div. Agrost. 

 Bull. 6: 26. 1897. 



Type locality: Georgetown, Colorado. 



Range: Alaska to Labrador, south in the mountains to California, New Mexic-o, and 

 North Carolina. 



Specimens examined: Cascade Mountains, Vasey i:i 1889; Brandegee 11<)8; Lyall in 

 1860; Ellensberg, Piper, July 9, 1897; west Klickitat County, Suksdorf 2127 ; along Sal- 

 mon River, Homer 495; Stehckin, Griffiths cfc Cotton 196, 230; Cascade Mountains, Vasey 

 in 1889; Klickitat County, Suksdorf 203, 205; near Mount Baker, Suksdorf 2166; Mount 

 Adams, Howell 82; Suksdorf 200. 



Zonal distribution: Arid Transition to Hudsonian. 



11. Calamagrostis blanda Beal, Grasses N. Am. 2: 349. 1896. 



Calamagrosliti paZZida Vasey & Sc rib n. Con tr. Nat. Herb. 3: 79. 1892, not C. Muell. 1860. 



Type locality: "Washington." Collected by Suksdorf. 



Range: Washington to Montana. 



Specimens examined: Klickitat County, St/Arsdorf 52. 



12. Calamagrostis macouniana Vasey, Contr. Nat. Herb. 3: 81. 1892. 

 Deyeuxia macouniana Vasey, Bot. Gaz. 10: 297. 1885. 



Type locality: "Souris Plain, Assiniboia" according to the label on the type specimen. 

 Range: Washington to Assiniboia and Missouri. 



Specimens examined: North Palouse River, Vasey, March 3, 1897; Pullman, Hender- 

 son 2162, Piper 3037, Brodie, July, 1898; Spokane County, Suksdorf 10^7. 

 Zonal distribution : Arid Transition. 



