266 
Hordeum jubatum L. Sp. Pl. i, 85 (1753). 
Common on waste grounds, near Viola, Latah County; June 23 (No. 483). 
Hordeum nodosum L. Sp. P1. ed. 2, i, 126 (1762), 
Frequent in sandy soil, valley of Clearwater River, Nez Perces County; May 9 
(No. 146), Meadows near Viola, Latah County; June 26 (No. 493). Valley of 
Lake Pend d’Oreille; August 25 (No. 958). 
This form, which 1s referred here until the genus ean be more thoroughly 
studied, differs from the type in the short, flat leaves, pubescent on both sides, 
with inflated sheaths, the lower sheaths being retrorsely pubescent; in the 
spikes shorter and thicker than usual, with awns 10 to 15 mm, long, and in the 
sterile florets on stipes about 14 mm. jong. 
Hordeum pusillum Nutt. Gen. i, 87 (1818). 
Hillsides, scarce, valley of Big Potlatch River, Nez Perces County; June 8 
(No. 370). 
Elymus canadensis L. Sp. P1.1, 83 (1753). 
On Hellgate River, Bonner, Missoula County, Montana; August 30 (No. 982). 
Elymus condensatus Pres], Rel. Haenk. i, 265 (1830). 
Frequent in sandy soil, valley of Hatwai Creek, Nez Perces County; May 27 
(No. 262), 
Elymus glaucus Buckl. Proc. Acad. Phila. 1862, 99 (1862); Elymus sibiricus Hook. FI. 
Bor. Amer. ii, 255 (1840), not L.; Elymus americanus Vasey & Scribner, in 
Macoun, Cat. Can. Pl. 245 (1888). 
Common in copses, valley of Big Potlatch River, Nez Perces County; June 9 
(No. 353). Along creeks, Farmington Landing, Lake Cour W@Alene; July 6 
(No. 571). 
CONIFER Z::! 
Pinus contorta Loudon, Arb. et Frut. iv, 2292, f. 2210, 2211 (1838). 
Woods, Farmington Landing, Lake Caur (Alene; July 12 (No. 627). 
Pinus ponderosa Dougl.; Lawson’s Manual, 354 (1836) 
Banks of Clearwater River, Nez Perces County ; April 26 (No.51). 
A good-sized tree. 
Larix occidentalis Nutt. Sylva, iii, 143, t. 120 (1849). 
Common in woods, at 600 meters altitude, Craig Mountains, near Lake Waha, 
Nez Perces County; May 20 (No. 206). 
Sometimes 6 or 8 feet in diameter. 
Juniperus nana Willd. Berl. Baumz. ed. 1, 159 (1796); J. communis Gaudich. FI. 
Helv. vi, 301 (1830). 
Summits of Packsaddle Peak, Kootenai County; August 5 (No. 830). 
Juniperus virginiana L. Sp. PI, ii, 1089 (1753). 
Rocky shore at south end of Lake Pend d’Oreille; August 4 (No. 824), 
Tsuga mertensiana (Bong.) Carriere, Trait. Conif. ed, 2, 250 (1867); Pinws merten- 
siana Bong. Veg. Sitch. 163 (1831). 
Canyons near Rathdrum, Kootenai County; July 23 (No. 708), 
Pseudotsuga mucronata (Raf.) Sudworth, nom. noyv.; Pinus taxifolia Lamb, Pinus, 
ed. 1, 51, t. 33 (1803), not Salisb. (1796); Abies mucronata Raft. Atl. Journ. 119 
(1882); Ps. douglasii Carritre, Trait. Conif. nouv. éd. 256 (1867); Ps. taxifolia 
Britton, Trans. N. Y, Acad. viii, 741 (1889). 
Woods, Farmington Landing, Lake Cur d’Alene; July 12 (No. 629). 
'The Coniferw were determined by Mr. George B. Sudworth, botanist of the Divi- 
sion of Forestry, U. 8S. Department of Agriculture. 
