Setaria.| CXLIV. GRAMINE. 493 
often ciliate iig a few long hairs. Spikelike panicle simple, cylin- 
drieal, 1 to 13 in. long, the spikelets sak at the base of numerous 
awnlike branche es, many of which are barren and all odi with 
od teeth directed upwards. Spikelets moth about 1} lines long. 
Outer glume very small, the 2nd not quite so long as the 3rd 
and very rarely stamens in the 8rd. mime glume more or less | 
isoon, marked with prominent transverse wrinkles.—Reichb. Ic. Fl. 
Germ. t. 47; Panicum glaucum, Linn. ; Trin. Spee. Gram. t. 195; 
tun glaucum, R. Br. Prod. 195 ; F. Muell. Fragm. viii. 110. 
N. Australia and Queensland, R. Brown, and sent by various collectors from 
numerous localities, 
. Wales. Port Jackson to the Blue Mountains, R. Brown and others ; and 
in the interior, A. Feri ena x others. 
Victoria. Goulburn River, F. Mueller. 
Central Australia, Gosse. 
Ac weed in the Old World and some parts of America, said by Déll and 
vg x ded sR in oe by the S. irte R. and S. which, however ce seems 
difficult to distinguish specifically in America any more deni in the Old Wor 
2. S, macrostachya, H. B. and K. Nov, Gen. et Sp. i 
Much taller and stouter than $. dts uca. Leaves long, flat, often pm 
$n. broad, the ligula short, ciliate, otherwise quite glabrous i in the 
typical form. Spikelike panicle 3 to 8 in. long, compound, usually 
very compact and E iiis. or the lower branches longer. Spikelets 
numerous on the lower branches, few on the upper ones, in dense 
clusters more or less interspersed with ceni vitis branches, ovoid, 
acute, fully 1$ lines long, glabrous. Outer about i the length 
of the spikelet, the 2nd shorter than the 3rd s D variablo in | proportion, 
all membranous with prominent nerves. Fruiting glume often oblique 
or gibbous, always marked with prominent transverse wrinkles as iu 
S. glauca.— Punicum macrosta hyum, Nees ; Pennisetum italicum, t 
Prod. 195; °F. Muell. Fragm. viii. 110, but not the Panicum 
italicum, Linn. 
Queensland. Endeavour River, Banks and Solander; Port Denison, Fitzalan ; 
Herbert's Creek, Bowman ; Rockhampton, wc y; Brisbane and Gilbert Rive vers, 
F. Mueller, EA other localities in so south a nsland from various collectors. 
N.S. Wales. Clarence River, 7. 
The species is common in many des A tropical America in a form corresponding 
to the usual Australian one; from East India we have but few specimens of a more 
slender variety with interrupted spikelike panicles. The West Indian $. setosa, 
Rem. and e ult., or Panicum setosum, Sw. Trin. Spec. Gram. t. 95, 96, has been also 
referred to it, althou ugh it has generally a piede and narrower panicle. e 8. 
italica, so Sd cultivated in some parts of Asia and of the Mediterranean region, is 
very ieme lame readily known by its small nearly globular spikelets with 
Var. ? Soa, pe ye slender. Leaves sprinkled with rigid hairs. Panicle 
wee z narrow, slender and interrupted.—Pennisetum Swartzii, F. Muell. Fragm. 
ustralia Port Darwin, Schultz, n. 272. Pehea habit nearly of the 
“ida S, setosa, this may prove to be a distinct speci 
