34 
shorter and more crowded, narrow, mostly fewer-flowered. Spikelets shorter, 
more compressed ; aay glumes ovate-lanceolate, acuminate or simply acute, 
one-third as long as the spikelet; flowering y glames 3 to 5 lines long, obtuse 
or acute, pubescent or lanate.— Triticum T subvillosum Hook., Fl. Bor. A 
2: 254; A. dasystachyum, collectors, in par 
From the Saskatchewan to Was hington en and Colorado. Specimens in 
the National Herbarium from Washington: Vasey, 1889; 2137, 2171 Henderson, 
1892; 310 Sandberg and Leiberg, 1893. g^ laho: 2841 Ry dber. 1895. Utah: 23 
Ward, 1875. Colorado: 15 Patterson, 1885; 631 Shear, 1895. Wyoming: 621 
Trendy, 1885. 1 587 Williams, 1890; 549 RNA 1895; 2130 Rydberg, 
1895. Manitoba: 111 J. Macoun, 1879 
= Flowering glumes smooth or merely scabrous, 
1. Leaves becoming involute, strigose-pubescent above; spikelets subdistant. 
1 Said Q shy 
lith, sp. nov. Pale yellowish-green or glaucous, 
2 to 3 feet ps pi long flat ra becoming involute when dry, and narrow, 
ct, or fl es of rather large . acute spikelets. Culms 
very short, membranaceous; leaf blades linear, acuminate and pungently 
pointed, 5 to 12 inches long, about 2 lines wide, flat, scabrous on the back an 
margins, pubescent or thinly hirsute above, the uppermost culm leaf very short. 
Spike4 to 6 inches long. Spikelets 5 to 10 lines long, 4- to 7-flowered, erect; 
empty glumes much shorter than the spikelets, unequal, narrowly lanceolate or 
oblanceolate, acuminate, 3 to 44 lines long, 3- to 5-nerved, scabrous on the nerves; 
flowering glumes 4 to 7 lines long, broadly lanceolate, acute, mucronate, trun- 
cate or bidentate, rounded on the back, more or "wy REA 3-nerved and 
scabrous toward the apex; palea nearly equaling its glume; internodes of the 
rachilla short, obconieal, pubescent.— Triticum Piste "Hook. Fl. Bor. Am., 2: 
i i Closely related to 4gropy- 
ron spicatum, from which it is readily ee e by its short and acute empty 
umes, lanceolate acute spikelets, and less crowded spike. 
Idaho to Washington and Oregon. Specimens in the National Herbarium from 
on: 113 
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p 
ha 
28 
S 
= 
= 
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e 
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1 
= 
8 
1 
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— 
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0% 
— 
dah , 1895. 
269, 302 2 Leiberg, 1894, Crook County. Washington: Vasey, 1889; pee and 
Leiberg, 1893; and Suksdorf as follows: 18 (1882), distributed as Triticum repens 
acutum Vasey ; 179 (1885), distributed as 4. repens var.; 222, 914 (1886), distributed 
as 4. glaucum pubiflorum V asey 
2. Leaves becoming involute, scabrous throughout, spikelets crowded. 
. : x Empty glumes about as long as the spikelet. 
dorepens Seribn. & Smith, sp. nov. An indigenous perennial with 
p 
creeping rootstocks, light-green leaves, scabrous on both sides, and narrowly lan- ls 
or erect from a genienlate base, striate, glabrous, or scabrous be e nodes, 
with 3 or 4 culm leaves af sheaths striata Gabs shorter than the inter- 
nodes; ligule membranous, 1 line long or less; inear, long-attenuate 
d after Forai: linear-lanceolate, acute, niii: 3- to fct nens sub- 
. distant; empty glumes linear- nearly equal, acuminate or awn-pointed, - 
Seres 3 a little shorter dans or equaling the spikelet, scabrous : on the nerves 
