"Spmowus ~- @RAMINEA 773 
SCKIBNERIA 
branches 8-12 inches long, weak, spreading, usually bearing 1-3 spikelets 
on very slender pedicels: spikelets 1-3 inches long: empty glumes acute, 
smooth, or scabrous on the nerves, 4-6 lines long; the second 5-7 nerved, 
6-7 lines long: flowering glumes broadly lanceolate, acute, 7-8 lines long, 
7-nerved, shortly bidentate at the apex, with an awn 3-5 lines long: palets 
shorter than the glumes. Washington to Alaska, near the coast. 
B. carinatus H. & A. Bot. Beech. 403. Stems 20-30 inches high, 
slightly pubescent at the nodes: sheaths mostly shorter than the in- 
ternodes, retrorsely soft-pilose : ligules 114-2 lines long, sublaciniate: leaves 
mostly narrow 4-10 inches long, 114-3 lines wide thinly pilose both sides: 
panicle pyramidal, somewhat drooping: spikelets 1144 inches long, 5-9- 
flowered: empty glumes lanceolate, acute, glabrous to slightly scabrous; 
the first distinctly 3-nerved, or sometimes obscurely 5 -nerved, 4-5 lines 
long, the second 5-nerved, 5-7 lines long, flowering glumes 7-nerved, pu- 
berulent or short-pubescent, 7-8 lines long, bifid at the apex and tapering 
into an awn 4-5 lines long; palets nearly equalling the glumes. Washing- 
ton to California and Nevada. - 
B. Hookerianus Thu:ber Bot. Wilkes, ii, 493. An erect tufted per- 
ennial 20-30 inches high: sheaths smooth to densely hairy, ciliate at the 
throat: ligules 14-1 line long, leaves 7-12 inches long: 2-3 lines wide: 
panicle 7-15 inches long: spikelets 6-10 -flowered: empty glumes smooth, 
compressed, acute; the first 5-nerved, 6-8 lines long,the second 7-8-nerved, 
7-8 lines long: flowering glumes oval-lanceolate, scabrous or pubescent, 
9-nerved, 7-8 lines long; awn 3-7 lineslong. Brit. Columbia to California. 
Tribe 8 Hordex Spikelets one-to  several-flowered, usually 
hermaphrodite, sessile along the common rachis, forming a simple 
or compound spike. Glwmes awned or awnless. 
50 SCRIBNERIA Hack. Bot. Gaz. xiii, 105. 
Annual grasses with slender stems and very slender spikes. 
Spikelets one-flowered, sessile and half embedded in the alternate 
notches of a more or less articulated usually simple spike. 
Rachella very short, articulated above the lower glume, extended 
as a short hairy awn beside the floret. Empty glumes 2, flow- 
ering glumes a third shorter than the first, membranous, keeled, 
bearing an awn between the teeth. Palets longer than the glumes. 
Stamens 1. Stigmas sessile, feathery. Grain free, linear, laterally 
compressed, with a groove. | 
S. Bolanderi Hack. Bot. Gaz. xiii, 105. Stems slender, tufted, often 
geniculate and with a few branches from the base, 2-12 inches high: 
sheaths loose, scarious-margined: ligules a line or more long, acute: leaves 
3-10 lines long, convolute,mucronate: spike 1-4 inches long: very slender, 
spikelets 2-3 lines long, solitary or sometimes 2 at each joint; glumes 
very thick, except the first, 3-nerved, scarious-margined; the second slight- 
ly shorter and 2-3-nerved: flowering glumes indistinctly 5-nerved, smooth 
and shining below, scabrous near the irregulary 2-toothed apex, the mid- 
nerve excurrent as an awn nearly aslong asthe glume. Along roadsides, 
southern Oregon to California. 
51 LOLIUM L. Sp. 83. 
Annual or perennial grasses with flat leaves and terminal spikes. 
Spikelets several-flowered, solitary, sessile,alternate in the notches 
of the usually continuous rachis, compressed, the edge of the 
spikelets turned toward the rachis: glumes rigid, the lower one 
