116 CONTRIBUTIONS FEOM THE NATIONAL HERBARIUM. 



9. Calamagrostis langsdorflS.! Trin. Gram. Unifl. 225. t. J,-./. 10. 1824. 

 Calamagrostis oregonensi.s Buckl. Proo. Acad. Pliila. 1862: 92. 1863. 

 Calamagrostis columbiensis Nutt.; A. Gray, Proc. Acad. Phila. 1862: 334. 1863. 

 Type locality: "Tobolsk," Siberia. 



Range: Alaska to Greenland, south to ('alU'ornia, New Mexico, Michigan, and North 

 Carolina. Europe. Asia. 



Specimens e.xamined: Olympic Mountains, Piper 1986: Elmer 1671, 1672; Mount 

 Rainier, Smith 981; Tatoosh Mountains, Allen 176; Goose Lake, Fleit 1378: Cascade Moun- 

 tains, Henderson 2157; Vasey in 1889; Sandberg <£• Leiherg 795: North Fork of Bridge 

 Creek, Elmer 680; Mount Adams, Howell in 1882; SvlcsdorfSJ, 204. 



Zonal distribution: Mainly Hudsonian and Aictic. 



9a. Calamagrostis langsdorfl3.i lactea (Beal) Kearney, U. S. Dept. Agr. Div. Agrost. 

 Bull. 11:28. 1898. 

 Calamagrostis ladea Beal, Grasses N. Am. 2: 346. 1896. 



Deyeuxia lactea Suksdorf in Beal, Grasses N. Am. 2: 346. 1896, as .synoi:ym. 

 Type locality: "Washington; banks of the North Fork of Nooksack River, near Mount 



Baker." Collected by Suksdorf. 

 Range: Washington. 



Specimens examined: Near Mount Ji&kev, Sulsdoif 1022, 1023: Falcon Valley, ^Sw^s- 

 dorf 20Q. 



10. Calamagrostis canadensis (Michx.) Beauv. Agrost. 15, 1.57. 1812. 

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



Type locality: "Hab. in Canada." 



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

 Oregon. 



Specimens exa.mined: Wenache region, Brandegee 1109; Klickitat County, SuksdorJ 

 2127; Thorn Creek, Whitman County, Vasey, July 9, 1901; Pulhnan, Brodie August, 1898 ; 

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

 86, 90a. 



Zonal distribution: Transition. 



10a. Calamagrostis. canadensis acuminata Vasey, U. S. Dept. Agr. Div. Agi'ost. 

 Bull. 5: 26. 1897. 



Type locality: Georgetown, Colorado. 



Range: Alaska to Labrador, south in the mountains to California, New Mexico, and 

 North Carolina. 



Specimens examined: Cascade Mountains, Vasey in 1889; Brandegee 1168; Lyall in 

 1860; Elle;:sberg, Piper, July 9, 1897; west Klickitat County, Suksdorf 2121 ; along Sal- 

 mon River, Horner 495; Stehekin, Griffiths cfr Cotton 196, 230; Cascade Mountains, Vasey 

 i!i 1889; Klickitat County, Siil'sdorf 203, 205; near Mount Baker, Suksdorf 2166; Mount 

 Adams, Hoivell 82; Suksd!>!f20d. 



Zonal distribution: Arid Transition to Hudsonian. 



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



Calamagrostis paUidaYasey &Scnhn. Contr. Nat. Herl). 3: 79. 1892, not C. Muell. 1860. 



Type locality: "Washington." Collected by Suksdorf. 



Range: Washington to Montana. 



Specimens examined: Klickitat County, Suksdorf 52. 



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

 Deyeuxia macouniana \'asey, 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 1097. 

 Zonal distribution: Arid Transition. 



