MACKENZIE: NOTES ON CAREX 545 
County, Sandberg, July 1887 (N. Y.); Sweetwater, Heller, July 
1896 (K 
Montana: Bozeman, Flodman 289, July 7, 1896 (N. Y.); 
Little Belt Mts., Flodman 288, Aug. 1896 (N. Y.); Helena, Kelsey, 
July 12, 1892 (N. Y.); Little Belt Mts., Rydberg 3377, 3802, Aug. 
1896 (N. Y.); Spanish Basin, Madison Range, Flodman 287, 
July 18, 1896 (N. Y.). 
CoLtorapo: Vasey (N. Y.); Chamber’s Lake, Baker, July 13, 
1896 (N. Y.); La Plata Mts., Baker, Earle & Tracy 685, July 
14, 1898 (N. Y.); Chamber’s Lake, Crandall, July 25, 1894 (N. Y.); 
Chamber's Lake, Colo. Agri. College 2549, July 28, 1889 (N. Y.); 
Beaver Creek, Colo. Agri. College 2558, July 19, 1898 (N. Y.); 
Pagosa Peak, Baker 237, Aug. 1899 (N. Y.); Cameron Pass, Baker, 
July 14, 1896 (N. Y., C.); Middle Park, Beardslee, Aug. 1892 
(N. Y.); Colorado Springs, Jones 59, May 14, 1878 (N. Y., C., 
B); Silver Plume, Rydberg 2416, and Shear 669, Aug. 21, 1895 
N. Y.); Twin Lakes, Wolfe 1058, 1873 (C.); Mt. Helen, Mac- 
kenzie 307, Aug. 1901 (K. M 
Wyominc: Big Horn Mts., Sheridan County, Tweedy 2246, 
July 1899 (N. Y.); Black Rock Creek, Teton Forest Reserve, 
Tweedy gor, Aug. 1897 (N. Y.); Teton Pass, Merrill & Wilcox 
1249, July 13, 1901 (N. Y.); Madison Canyon, A. & E. Nelson 
6761, Aug. 29, 1899 (N. Y.); Battle Lake, A. Nelson 3046, Aug. 16, 
1897 (N. Y.); Yellowstone Park, Williams, 1888 (N. Y.); Yellow- 
stone Park, A. & E. Nelson 6361, Aug. 8, 1899 (N. Y., K. M.); 
La Plata Mines, A. & E. Nelson 5148, Aug. 25, 1898 (K. M.); 
Ten Sleep Lakes, Nelson 2972, Aug. 19, 1897 (K. M.). 
MIcuiGANn: Clifton, Keweenaw Co., Farwell 244, June, 1890 
(Col., H). * 
8. Carex sity oohtia | sp. nov. 
In large dense clumps from slender tough ascending forking 
rootstocks, not stoloniferous, the culms from very short to 15 cm. 
high, aphyllopodic, reddish brown and more or less fibrillose at 
base, usually shorter than leaves, slender, very rough on the 
sharp angles; sterile culms aphyllopodic. Leaves with well-devel- 
oped blades 5-10 to a fertile culm, the blades involute but flat 
above with slightly revolute margins, slender, at flowering time 
0.75-1.5 mm. wide, 2-25 cm. long, much roughened; terminal 
spike staminate, slender, 4-8 mm. long, 1.5 mm. wide, more or less 
