116 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 
9. Calamagrostis langsdorffii Trin. Gram. Unifl. 225. f. 4. f. 10. 1824. 
Calamagrostis oregonensis Buck]. Proc. Acad. Phila, 1862: 92. 1863. 
Calamagrostis columbiensis Nutt.; A. Gray, Proc. Acad. Phila. 1862: 334. 1863. 
Type Locauity: ‘Tobolsk,”’ Siberia. 
Rance: Alaska to Greenland, south to California, New Mexico, Michigan, and North 
Carolina. Europe. Asia. 
SpeCIMENS EXAMINED: Olympic Mountains, Piper 1986; Elmer 1671, 1672; Mount 
Rainier, Smith 981; Tatoosh Mountains, Allen 176; Goose Lake, Flett 1378; Cascade Moun- 
tains, Henderson 2157; Vasey in 1889; Sandberg & Leiberg 795; North Fork of Bridge 
Creek, Elmer 680; Mount Adams, Howell in 1882; Suksdorf 87, 204. 
ZONAL DISTRIBUTION: Mainly Hudsonian and Arctic. 
9a. Calamagrostis langsdorffii lactea (Beal) Kearney, U.S. Dept. Agr. Div. Agrost. 
Bull. 11: 28. 1898. 
Calamagrostis lactea Beal, Grasses N. Am. 2: 346. 1896. 
Deyeuxia lactea Suksdorf in Beal, Grasses N. Am. 2: 346. 1896, as synonym. 
Type Locauity: ‘‘ Washington; banks of the North Fork of Nooksack River, near Mount 
Baker.” Collected by Suksdorf. 
Rance: Washington. 
SPECIMENS EXAMINED: Near Mount Baker, Suksdorf 1022, 1023; Falcon Valley, Suks- 
dorf 206. 
10. Calamagrostis canadensis (Michx.) Beauv. Agrost. 15, 157. 1812. 
Arundo canadensis Michx. Fl]. 1: 73. 1803. 
Type Locauiry: “ Hab. in Canada.” 
Rance: British Columbia to Nova Scotia, southward to New Jersey, Ohio, Utah, and 
Oregon. 
SPECIMENS EXAMINED: Wenache region, Brandegee 1169; Klickitat County, Suksdorf 
2127; Thorn Creek, Whitman County, Vasey, July 9, 1901; Pullman, Brodie 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. 5: 26. 1897. 
Type LocaLiry: Georgetown, Colorado. 
Rance: 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; Ellensberg, Piper, July 9, 1897; west Klickitat County, Suksdorf 2127; along Sal- 
mon River, Horner 495; Stehekin, Griffiths & Cotton 196, 230, Cascade Mountains, Vasey 
in 1889; Klickitat County, Suksdorf 203, 205; near Mount Baker, Suksderf 2166; Mount 
Adams, Howell 82; Suksdorf 209. 
ZONAL DistRiBuTION: Arid Transition to Hudsonian. 
11. Calamagrostis blanda Beal, Grasses N. Am. 2: 349. 1896. 
Calamagrostis pallida Vasey & Scribn. Contr. Nat. Herb, 3: 79, 1892, not C. Muell. 1860. 
Tyre Locairy: ‘ Washington.”’ Collected by Suksdorf. 
Rance: Washington to Montana. 
SPECIMENS EXAMINED: Klickitat County, Suksdorf 52. 
12. Calamagrostis macouniana Vasey, Contr. Nat. Herb. 3: 81. 1892. 
Deyeuxia macouniana Vasey, Bot. Gaz. 10: 297. 1885. 
Type Locauity: ‘Souris Plain, Assiniboia”’ according to the label on the type specimen. 
Rance: 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 pistripuTion: Arid Transition. 
