BOTANICAL GAZETTE. 223 
differs in its more conspicuously pruinose twigs, narrower leaves 
grayish rather than brownish silky, and may be called S. maero- 
carpa, Nutt., var. argentea. The extravagant height which it is 
said to attain, “10-15 ft.” is a quotation from Geyer’s notes, and 
has reference doubtless to S. rostrata. 
Some New Grasses. 
BY GEO. VASEY. 
Bromus SuxsporFit. Culms 2 to 24 ft. high, firm, leafy: 
leaves 5 or 6,3 to 6 inches long, 3 to 4 lines wide, the 2-or 3 
lower ones short, the middle ones longest, all erect, smooth ; 
sheaths smooth, striate, all but the lower ones shorter than the in- 
ternodes ; ligule short and obtuse : panicle erect, narrow, 3 to 4 
inches long, the branches appressed, short (3 to 1} inches long 5 
In twos or threes, mostly flowering to the base, with few spike- 
lets: spikelets short-pedicelled or sessile, 3 to 5 flowered: outer 
glumes smooth, unequal; upper one oblong lanceolate, 5 to 
lines long, obtusish, 3-nerved; the lower one‘one-tourth shorter, 
lanceolate, acute, ]-nerved or obscurely 3-nerved: flowering 
glumes 6 to 7 lines long, obtuse or acutish, soft pubescent, 5- 
nerved, rounded on the back ; the awn 2 lines long: palet about 
One fifth shorter, acute, sparsely ciliate on the keels. 
Collected by Mr. Suksdortin Washington Territory, and also 
by Mr. Cusick ‘in Oregon; altitude about 7,000 ft.; growing In 
tufts with the crowded culms perfectly erect. 
Bromus Orcurrranus. Culms 3 to 4 ft. high, erect, leafy 
below, scabrous above: leaves4 to 6 inches long, erect, rather 
rigid, smooth except on the margins; ligule short, obtuse, some- 
What cartilaginous : panicle 4 to 6 lines long, erect, rather sea- 
brous, the branches short (1 to 2 inches long), in twos or threes, 
rigidly spreading horizontally, sparsely flowered: spikelets 2 to 
5 flowered, short pedicelled : outer glumes smoothish, scabrous 
On the nerves ; the upper one oblong-lanceolate, 5 to 6 lines long, 
3-nerved, obtuse; the lower one } shorter, l-nerved, narrower 
acute: flowering glumes scabrous-pubescent, 5-nerved, 
rounded on the back, acutish ; awn 2 to 4 lines long: palet rather 
shorter than the glumes, sparsely ciliate on the keels. 
ollected on the mountains near San Diego by C. R. Orcutt, 
and also by Mr. Suksdorfon Mt. Adams, Washington Territory. 
