564 CXLIV. GRAMINEZ. [ Aristida, 
sessile along the branches and often purplish. Outer glumes about 3 
lines long. Flowering glumes usually longer. Awns sessile, varying 
Kon $ i. 6 lines or rather more.—A. vulgaris, Trin. and Rupr. Gram. 
Stip. 1 
Queensland. Peak Downs, Burkitt. 
Wales, Hunters River, U.S. Exploring Expedition ; also in Leichhardt's 
collection, 
Widely spread over tropical and subtropical Asia and Africa and the mt 
me region, and probably the same as the tropical American A. disp 
t Rupr. 
49. STIPA, Linn. 
Glumes 3, narrow, alee sually persistent, membranous, keeled, , 
empty, unawned; terminal or rire owering glume narrow, rigid, r rolled 
round the flower, With a terminal undivided bent awn spirally twisted 
below nie bend. Palea enclosed in the flowering glume. Lodicules 
di iom Grain narrow, enclosed in the hard upper glum me but free 
it and i is TY eiliate with short hairs, the awn is mm or less dis- 
tinetly articulate on the flowering glume, but usually remains attache 
is. 
" 
The genus is widely eset over the Tapiot and fomperaie regions s the mer 
and yt Old World. tralian species, however, belong to the group Or 8e to 
tion Nesostipa, Trin., which i is exclusively Austr alian, one of po only S" extends 
New Zealand, the remaining 14 appear to be all endem 
puede. glume rds or spi. airy at the end, 
ortly produced into hyaline lobes or entire. 
Pda s very small o oneal ‘half as long as the 
Panicle branches SE! and oe POEM 4 to gs 
ben 1, S. elegantissima. 
Panicle Xy uch b ched, glabrous. or slightly i 
h mee Spikelets seed 1$ lines lon 2. S. micrantha. 
ei p glum a iky cbairy 
the id 
ng as 
der 3 in., usually impiis 
of the flowering — very 
Outer gh 8. S. flavescens. 
: umes j y pointed, above b 3n. lo 1 “white 
and cag Lobes of the fi rier glume i 
l - more conspicuous : . . 4, S. teretifolia. 
Flowering glume silky-hairy, the margins. not dilated 
under the awn. Palea n nearly as long iude glume. 
