COLLECTED IN THE UPPER MISSOURI, ETC. 17 



r 



Hab. Crevices of granite rocks in the water, Spokan Eiver. July. 

 w. 572. 



2. Agrostis ComiicofKe ^ Fraa. Kth. Agrost. p. 221, 

 Hab, Moist, fertile meadows of Upper Clarke Kiver, and Spokan 

 Plains, Oregon. September, n. 86 and 355. 



1. Calamagrostis Canadensis^ Beauv. — Hook. Fl. Bor. Am. vol. ii. 

 p. 240. 



Hab. Meadows, Black's Fork, Upper Colorado. August, n. 2 8. 



2. Calamagrostis strida, Beauv. — Hook. Fl. Bor. Am. vol. ii. p. 240- 

 Hab. Grassy slopes, under Pine-trees, Spokan Mountains. July. «. 



527 and 130. - 

 1. Spartina polystachya, Willd. — Hook. Fl. Bor. Am. vol. ii. p. 242. 

 Hab. Fertile borders, Platte Fork of Upper Colorado, near Fort Vasco, 



rare. August, n. 259. — Saline, clayey, exsiccated places, valley of 



Upper Platte. June, n, 187. 

 1. Deschampsia ccespitosa ? Beauv. — Hook. Fl. Bor. Am. vol. ii. p. 242. 

 Hab. Wet rocky prairies, on the high plains of Upper Oregon. June. 



n, 568. 



1. Aira elongata^ Hook. Fl. Bor. Am, vol. ii. p. 243. t. 227. 



Hab. Rocks and stony swamps, and sides of rivulets, Kooskooskic 



Valley. June. n. 342 and 490. 

 1. Danthonia sficata, DC. — Hook. FL Bor. Am. vol. ii. p. 1244. 

 Hab. Rocks in the mountains of Upper Sweet-water, fringing the ci-e- 



vices; also in Platte and Upper Columbia. July, n, 189. 



1. Von pratensis, L. — Hook. FL Bor. Am. vol. ii. p. 246. 



Hab. Coeur d'Aleine. n. 369. 



2. Poa serotina, Ehrh. P. crocata, Mx,—HooL FL Bor, Am. p. 2. p. 



246, 

 Hab. Rockv banks of rivulets, Kooskooskie. June. «. 12 and 359. 



3. Poa MicJiauxii, Kth. Brizopyrura boreale, Neea.—HooJc. FL Bor. 



Am. V. 2. p. 254, 

 Hab. Saline, exsiccated, depressed situations in the valley of Lower 



Platte. 

 1. Glyceria nervata, Trin.— Hook. Fl. Bor. Am. vol. ii. p. 248. G. 



Michauxii, Kth. Poa nervata, Mx. 

 Hab. Swampy meadows, Kooskooskie Valleys. July. n. 497- 

 1. Reboulea ^rac;7zX Kth.— Hook. FL Bor. Am. vol. ii. p. 249. 

 Hab. Gravelly banks of rivulets, Kooskooskie Valley. July. ». 508. - 



VOL. VIII. 



D 



