Agrostis. | GRAMINACEAE. 515 
Fourth or floweri ing glume on a short-haired callus, shorter and narrower 
ng 
in a long awn of more than 3 times its length which is bent back at the 
middle, twisted and brownish below the bend, straight and pale above; 
its palea of the same length and enveloped by it, obtuse, with 2 distant 
nerves. » 
hh deel and Luzon.» nig ae collected by Chamisso, who visited the Philipines after 
leaving the Hawaiian Islands. As the species has not been me ied by any other collector 
the ethactictye of the hess habitat is not free from suspic 
TripeE II. POACEAE. 
Spikelets with one or more perfect flowers, the male or rudimentary 
floret, if any, above the perfect ones, or the axis ending in a minute 
point. Pedicels continuous with the wyiikalotat the axis of the spikelet 
articulate above the empty glumes. 
UBTRIBE VI. AGROSTIDEAE. 
Spikelets 1- out usually pedicellate and small. Sterile glumes 2. 
Flowering glume thin, awnless, or with a simple awn. Grain free. 
18. AGROSTIS, L. 
Spikelets in panicles, 1- flowered, the floret naked at the base or shortly 
pilose, without prolongation of the axis. ‘Two empty glumes subequal, 
or the lower longer, generally much exceedin: 
Flowering glume raised on a short callus, generally awned at the back, 
its palea bicarinate, sometimes minute or wanting. Stamens 1—3. Ov 
glabrous, Styles short, their plumose stigmas protruding near the base 
of the floret. Grain choc: slightly furrowed. 
A large genus, __ over the temperate and cold regions of the whole world and 
the mountains of the tropics 
Flowering glum 
short rsa straight outer glumes puberulous . 
Awn longer and bent back; outer — ~ietsage 
Flowering glume awnless 
1. A. Sandwicensis, sp. n. — ufted. Stems stiff and straight, 2 ft. 
ra undivided, terete, glabrous. Leaves erect, linear, glabrous, rough 
n both faces and margins, crowded below and plane, SRN above, less 
ook “ broad and 6—-2/ long, the uppermost at some distance from the 
panicle and its blade much shorter than the loose sheath. eb ovate- 
lanceolate. Panicle very narrow, almost linear, 6—8' long, the rays in 
distant fascicles, very unequal, closely appressed, dividing from near the 
base into short branchlets, the lowest 1!/2—1%/s‘ long; both rays and rhachis 
Very scabrous. Spikelets on short pedicels, linear-lanceolate, 2*/2", com- 
praiee pale, the sessile floret scarcely 1/2 the length of the glumes, siaicaale 
surrounded at the base by a few minute hairlets. Outer glumes herba- 
ceous, linear-lanceolate, acute, 1-nerved, puberulous, serrulate at > sharp 
