261 
Agrostis exarata asperifolia (Trin.) Thurb. Bot. Cal. ii, 273 (1880); 4. asperifolia 
Trin. Mem. Acad. St. Pet. Ser. Nat. ser. 6, 318 (1845). 
Gravel banks and in streams, valley of Traille River, Kootenai County ; August8 
(No. 878). 
Agrostis scabra Willd. Sp. Pl. i, 370 (1798); 4. hiemalis (Walt.) B.S. P. Prel. Cat. 
N. Y.68 (1888); Cornucopia hyemalis Walt. (?) Fl. Car, 74 (1788). 
Sandy soil, Farmington Landing, Lake Ceur d’Alene; July 4 (No. 547). 
Calamagrostis canadensis (Mx.) Beauv. Agrost. 15 (1812); Arundo canadensis Mx. 
F1. i, 73 (1803). 
Alluvial soil, Farmington Landing, Lake Cour d’Alene; July 5 (No. 561). 
Canyons, same locality; July 7 (No. 578), Shores, valley of Lake Tesemini, 
Kootenai County; July 21 (No. 694). 
Calamagrostis canadensis dubia (Scribner) Vasey, Contr. Nat. Herb. ili, 80 (1892) ; 
Deyeuxia dubia Scribn. Bot, Gaz. xi, 174 (1886). 
Bottom lands, valley of Ceur d’Alene River, Kootenai County ; July 13 (No. 
637). 
Calamagrostis cusickii Vasey, Ill. N. A. Gr. ii, 39 (1892); Deyeuxia cusickit Vasey, 
Bot, Gaz. x, 224 (1885). 
Hillsides, Farmington Landing, Lake Carur d’Alene; July 12 (No. 630). 
Calamagrostis suksdorfii Scribner; Vasey, Contr. Nat. Herb. iii, 82 (1892). 
Farmington Landing, Lake Coeur d'Alene; July 6 (No, 564). Dry ridges, valley 
of Lake Tesemini, Kootenai County; July 21 (No. 682), Woods at the south end 
of Lake Pend d’Oreille; July 28 (No. 769). 
Nos. 682 and 769 with straw-colored panicles are typical forms of the species, 
but No. 564, not quite mature, is referred to 1f with some doubt. 
Calamovilfa longifolia (Hook.) Hack. True Grasses, 113 (1890); Calamagrostis 
longifolia Hook. Fl. Bor. Amer. ii, 241 (1840). , 
Plains, Colgate, near Glendive, Dawson County, Montana; September 5 (No. 
999). 
This species, with its strong, creeping rootstocks, is valuable for holding the 
light, drifting sands in the prairie region. , 
Deschampsia czspitosa (L.) Beauv. Agrost. 91 (1812); Aira cespitosa L. Sp. Pl.i, 
64 (1753). 
Wet places, head of Little Potlatch River, Latah County ; June 17 (No. 419). 
Meadows, same locality; June 18 (No, 453). Canyons at Farmington Landing, 
Lake Caur d’Alene; July 7 (No. 579). Hope, north end of Lake Pend d’Oreille, 
Kootenai County; August 21 (No, 945). 
Deschampsia calycina Pres], Rel. Haenk, i, 251 (1830). 
Frequent on sandy soil, valley of the Big Potlatch River, Nez Perces County; 
June 6 (No, 323). 
Deschampsia elongata (Hook.) Munro; Benth, Pl. Hartw. 342 (1857); dira elon- 
gata Hook. Fl. Bor. Amer. il, 243, t. 228 (1840). 
Common in copses, valley of Big Potlatch River, Nez Perces County; June 9 
(No. 374). Moist places, head of Little Potlateh River, Latah County; June 18 
(No. 439). 
Trisetum canescens Buckley, Proc. Acad. Phila. 1862, 100 (1862). 
Meadows, head of Little Potlatch River, Latah County; June 18 (No. 438). 
Moist places, same locality; June 20 (No, 440). 
Trisetum cernuum Trin. Mem. Acad. St. Pet. ser. 6, i, 61 (1831). 
Frequent in moist places, valley of Big Potlatch River, Nez Perces County ; 
June 9 (No. 369). Farmington Landing, Lake Caur d’Alene; July 4 (No. 541). 
