518 GRAMINACEAE. [Deyeuxia. 
1. P. littoralis, Sm. — Kunth, Enum. Pi. I, 233. — Tufted, the simple 
stems 9-15‘, decumbent below, with 6—10 geniculate nodes, glabrous, 
terete, the uppermost leaf a sliort distance below the panicle, Leaves 
plane, 2—4‘ long, glabrous, roughish with antrorse teeth. Ligule ovate- 
lanceolate. Panicle dense cylindrical or spike-like, 2—3‘ long, the lowest 
nodes with 4 or 5 rays, each '/2—3/4‘ long, appressed or somewhat patent, 
he rhachis and rays scabrous. Spikelets 1‘ without the awns, subsessile, 
slender, pale. Empty glumes equal, puberulous, 1-nerved, the keel 
serrulate, with terminal awns of about their own length. Flowering glume 
half as long as the outer glumes, obovate, with rounded or truncate 
4-toothed apex, faintly nerved, its awn of the same length. Palea narrow 
lanceolate, hyaline. Lodicules faleate, fleshy. Stigmas sfibsessile below 
the apex of the ovary. — Agrostis asia With. 
apap seiner in » Kapatana! near Honolulu. — Occurs near the seacoast in various 
parts of Europe, erica. 
21. DEYEUXIA, Beauv. 
Character of Agrostis, but the flowering glume and palea surrounded 
by long hairs at the base and the axis prolonged in a plumose pedicelli- 
form appendage at the back of the palea. — This genus is by many 
authors united with Calamagrostis, Adans., and placed in the Subtribe 
Arundinaceae. 
Geographical range of Agrostis. 
Spikelets small, less than 11/2"; flowering glume pubescent . z 1. D. Forsteri. 
Spikelets larger, 21/2“; flowering glume glabrous: 
y. hairs shorter aes the floret; awn from near the middle of 
ng glum 2, i. ER: 
Atal eee sh seas the floret; awn from near the apex of the 
. D. expansa. 
I. . Forsteri, Kunth, Rev. Gram. I, 77. — Enum. Pl. I, 244. — Benth. FI. 
Austral. VII, 579. — Tufted, pale. Stems weak, decumbent below and 
geniculate, endtvided, 1—Il!/2 Ms long, terete, eiities. Leaves flaccid, flat 
and narrow, 12—6‘ long, 1'/2—1/2‘ broad, glabrous, retrorsely scaberulous 
on blade and sheath. Teile lanceolate, 3”. Panicle partly ensheathed 
by the uppermost leaf, 6—12’ long, foes and spreading, its capillary 
rays in distant whorls, 4 or 5 in the lowest, these 5—8‘ in length, di- 
viding once or twice into whorls of 4—2 branches, all floriferous only near 
keel, oe ee, nearly twice as long as the floret. Flowering glume clasping 
the palea, thin, obovate-obtuse, ciliate at the base and hairy all over, 
faintly e -nerved, with a a geulenlais awn of twice or thrice its owD 
length rising from ae middle of the back. Palea as long as the glume. 
Axial prolongation short plumose. Anthers short ovoid. Styles very 
