(157) 
4-6 cm. long, its branches ascending, the larger ones 2-2.5 
cm. long, spikelet-bearing above the middle: spikelets longer 
than their pedicels, in 2’s—4’s on the larger branches, varie- 
gated with yellowish brown and purple, 3—4-flowered, 5-6 
mm. long; empty scales acuminate, hispidulous on the keel 
above the middle, the first scale 1-nerved, the second 3- 
nerved at the base, the lateral nerves vanishing below the 
apex, the first scale about three fourths as long as the second 
which is a little shorter than its adjacent flowering scale; 
flowering scale acute, hispidulous on the midnerve above the 
middle, cobwebby at the base, the lower ones about 4.5 mm. 
long, 5-nerved, the midnerve and lateral nerves prominent, 
densely pubescent below the middle with silky hairs, the in- 
termediate nerves rather faint, sometimes sparingly pubes- 
cent, the internerves hispidulous at the apex and minutely 
pubescent toward the base; palet a little shorter than the 
scale, 2-keeled, the keels hispidulous. 
Along a brook, summit of White Pass, R. S. Williams, 
Aug. 26, 1899. Related to P. arctica R. Br., but distin- 
guished by its innovations and the narrower acute flowering 
scales. 
Colpodium pendulinum (Vahl) Griseb. Mouth of Klon- 
dike (Williams). 
Panicularia pulchella Nash sp. nov. 
A leafy glabrous perennial, apparently with a running root- 
stock. Culms 4-5 dm. tall, stout, smooth: leaves crowded ; 
sheaths overlapping and loose, rough; ligule scarious, 2-2.5 
mm. long; blades erect, rough, long-acuminate, 1.5—-2 dm. 
long, 2.5-5 mm. wide: panicle loose and open, 1.5—2.5 dm. 
long, its smooth more or less flexuous slender dividing 
branches ascending or nearly erect, the larger ones 8-11 
cm. long, naked toward the base: spikelets longer than their 
pedicels, 5-6 mm. long, 4—6-flowered; empty scales brown- 
ish, scarious margined, irregularly toothed at the rounded or 
obtuse apex, much shorter than their adjacent flowering 
scales, the first scale 1-nerved, shorter than the second which 
is 3-nerved at the base; flowering scales usually purple, witha 
broad hyaline margin above the middle, strongly but minutely 
hispidulous, oval when spread out, prominently 7-nerved, 
obscurely and irregularly toothed at the rounded apex, the 
lower ones about 3 mm. long; palet slightly shorter than the 
scale. 
