Bromus. | GRAMINACEAE. 535 
mucronate, 5-neryed, scabrous, dotted. Stamens 3. Ovary obovate, pu- 
bescent at the top. Stigmas almost sessile. — F So Host, not. Vill. 
Without aren probably collected in Ulupalakua, Maui, where a number of foreign 
grasses have been introduced and bp ome acclimated. The species is a native ety sou 
eastern Europe. eons pecimens, cut above ground, are destitute of the seal stolons, ath 
have longer and mane’ scabrous sient than is usual in the species 
32. BROMUS, L. 
Spikelets erect or drooping in panicles, 3-to many-flowered, the axis 
articulate between the flowering glumes. Outer empty glumes unequal, 
acute, keeled. Flowering glumes convex on the back, 5— 9-nerved, awned 
or bristle-pointed from below the shortly bifid tip. Paleae bicarinate, 
ea raed ciliate. Lodicules entire. Stamens 3. Ovary obovate, 
at the top. Stigmas nearly sessile below the apex, on the anterior face 
of the ovary. Grain linear, adhering to the palea. 
A large genus of the pene regions chiefly of the northern hemisphere 
Lower empty glume 1—3-nerved; awn straight, longer than itsglume 1. B. tec 
Lower empty glume 5- pgraaily awn bent back, equalling its glume 2. B. arabe 
. B. tectorum, L. — Kunth, Enum. Pl. I, 419. — Annual, the stems 
-. foliose to the top, pubescent above, as is also the rhachis of the 
nicle. Leaves flat, 4—5‘ long, pubescent. Ligule ovate. Panicle open, 
n 
glumes nea: lanceolate, very acute, with scarious margins, the lower 
1—3-nerved, drawn out into a filiform point, the upper longer, about 
equalling its next floret, 5-nerved. Flowering glumes over 1‘ long, se ; abro- 
pubescent, ee acutely bifid, 7-nerved, Nb 3 middle nerves continuing 
in a straight serrate awn 1/2 times as ne as the glume. 
y i! A common grass 0! of Europe 
2 Aaa not wheats of toto drevhyerr fae tovie over many parts of the world. 
72. B. squarrosus, L. — Ki — Var. villosus. — 
Annual, the slender ‘wesia about 1 ft. eee pee Leaves narrow 
linear, 4—5/ long, softly pubescent, the hairlets retrorse on the sheaths. 
Panicle erect, drooping at maturity, 3—5' long, simply racemose, the 
short scaberulous rays single at the nodes and each bearing 4 single 
spikelet. Spikelets pubescent, a accede acute, 1—1/s‘ long without 
the awns, sharply compressed, 7—10-flo wered, the florets closely imbee 
cate. Empty glumes ovate, the lower 3” long and 5- nerved, the upper 4 
long and 7-nerved. Flowering glumes oblanceolate, 5“ long, acute, bidentate, 
9 nerved, awned above the middle of the back; the slender awn about 
