28 



(Patterson), 1885; Georgetown, (Sliear615), 1895; Robinsou, Summit County, alti- 

 tude 3,344 meters, (Shear 1061), 1896. Xen- Mexico: Santa Fe. (Fendler 969) 

 1847. Xorthu-est Territorii : Lewis River, (Da wsou 17357 H. G. S. C), 1887; Fort 

 Good Hope, Mackenzie River, (E.Taylor 17364 H. G. S. C), 1892; Blacli River, 

 east of Lake Athabasca, (Tyrrell 17390. 17421 H. G. S. C), 1893. Idaho : St, 

 Maries River, Kootenai County, (Henderson 2830), 1894. Utah : (Ward), 1875. 

 Alaska: Uualaska, (Harrington), 1871-72; Kadiak Island, (Kellogg 110); (Dall 

 1873); Sitka, (F. Bischoff), 1865-66; (W. G. Wright l."i88, 1589), 1891; Saint 

 Michaels, (Turner 7), 1879; Lake Lindemau, head Yukon River, (Sehwatka 12, 

 77), 1883; (Funston 136), 1891; along Yukon River, (Fuuston 131,159), 1892-93; 

 93; Yes Bay, (Howell 174), 1895; (Sci-niau 1761), 1851. Ilritish CoJiimbia: Fort 

 Vancouver, (Garry 441), 1826; (Rothroek), 1865-66; Selkirk Mountains, (Macoun 

 17347 H. G. S. C), 1885: Shawnegau Lake, Vancouver Island, (Macoun 17379 H. 

 G. S. C.); Picks Lake, Sooke, Vancouver Island, (Macoun 15G),1893; MacLeods 

 Lake, (Macoun 17386 H. G. S. C), 1885; Griiifln Lake, altitude 1,824 meters, 

 (Macoun 17362 H. G. S. C.) ; Queen Charlottes Islands, (Dawson 17387 H. G. S. C), 

 1878; Upper Nechaco River, (Dawson 17388 H. G. S. C), 187G; Fort Simpson, 

 (McEvoy 17391 H. G. S. C), 1893. Washinfjlon: Mount Adams (Howell), 1882; 

 Mount Adams, (Suksdorf 87, 204), 1884-1886; Mount Rainier, (E. C. Smith 981), 

 1890; Cascade Mountains, (G. R. Vasey), 1889; Laks Kichelas, Cascade Moun- 

 tains, Kittitas County, (Henderson 2157), 1892; Cascade Moimtains, altitude, 

 1,824 meters, (Sandberg and Leiberg 795), 1893; Totoish Mountains, altitude 

 1,520 meters, (0. D. Allen). 1896. Orenon : Columbia Biver, (Nuttall), type of C. 

 col II mbieii sis 'Natt. ami Corcfioinnsis Buckl. ; Rooster Rock, Multnomah County, 

 (Suksdorf 144), 1885; I'niou County, altitude 1,824 meters, (Cusick 794), 1881. 

 California: Sierra Nevada Mountains, (Hillebraud 8), 1863; Yosemite Valley, 

 altitude 3,344 meters, ( Bolander 6087, 6088). 1881. 



CALAMAGROSTIS LANGSDORFFII LACTEA (Beal) Kearney, n. comb. 

 ralamagrostis /<(c/frt Beal Grasses N. Am. 2 : 346(1896). Deiieiixia laciea Suks- 

 dorf; Beal Grasses K Am. 2 : 346 (1896). 



Panicle whitish or pale green, usually tinged with pale purjile, somewhat more open 

 and flexuous ; palea more than two-thirds as long as the flowering glume ; callus- 

 hairs one-sixth to one-third (usually one-fifth) shorter than the flowering glume. 



Washington. 



Type specimen collected on the banks of the North Fork of the Nooksak River near 

 Mount Baker by W. N. Suksdorf (1022), 1890. 



Specimens ex.\mixed: Falcon Valley, 1886, (Suksdorf 206); near ISIount Baker 

 (Suksdorf 1022), 1890. 



23. Calamagrostis blanda Beal Grasses N. Am. 2 : 349(1896). C. pallida Yasej 

 and Scribn. ; Vasey Mouog. Grasses U. S., Contr. U. S. Nat. Herb. 3 : 79 (1892), 

 not C. Muell. 



Montana and Washington. 



Type specimen collected on the wet shady banks of the Klickitat River, West 

 Klickitat County, Wash., by W. N. Suksdorf (52), .7uly 21, 1883. 



Specimens examined.— .!/««/((«« : Helena, (Kydberg 21.39i), 1895; Castle, (Rydberg 

 3238), 1896. Wmhinytou : (Suksdorf .52), 1883. 



Nearly related to C. canadensis, but distinguished by its pale, whitish panicle with 

 usually very flexiious branches, narrower and sharper pointed eiupty glumes, 

 and awn attached near the apex and usually considerably longer than the flow- 

 ering glume. 



24. Calamagrostis canadensis (Michx.) Beauv. Agrost. 157 (1812). Arnndo canadm- 

 sis Jlichx. Fl. Bor. Am. 1: 73 (1803). Agrvslis mexicana Pers. Syn. 1:76 (1805)? 

 Arundo agrostoides Puish Fl. Am. Sept. 86 (1814). Calamai/rostis mexicana ^i\tt. 

 Gen. 1:46 (1818). C. aurostoidea Trin. Gram. Unifl. 228 (1824). Cinna? purshii 

 Kuuth Enum. 1:208 (1833). Annido Jissa Willd. ; Steud. Nom. Ed. 2, 1:144 



