588 CXLIV. GRAMINEJE. ( Trisetum. 
ec in the glume and palea but free from them. Seed not 
furrowed. 
sa genus is generally distributed over the temperate and cooler or mountain 
regions of both th and southern hemispheres. The only Australian species 
is à widely spread arctic, Jea or mountain one. 
1. T. subspicatum, Beawv.; Kunth, Enum. i. 295.—A tufted 
perennial, varying from 6 in. to above 2 ft. high. Da flat, glabrous 
minal empty ae apa a mde . Fl. Tasm. ii. 119. 
Victoria. Munyong and other mountains of the Australian Alps, the ai 
Peu "glabrous but some from Mitta-Mitta with pubescent leave 
Mue 
Tas ia. Common in Alpine localities, J. D. Hooker and others; our 
Di nian all glabrous 
* 61. AVENA, Linn. 
Spikelets few-flowered, in a loose panicle, the rhachis articulate above 
the 2 outer glumes, hairy — iow flowering glumes. Giumes scarious, 
at least at the top, the 2 outer empty ones lanceolate, tapering to à 
point; flowering glumes E shortly 2-cleft at the top, with a ae 
dorsal twisted awn, the terminal eur e often small and empty or sae 
mentary. Styles distinct. Grain pubescent or a frequent y 
Ta to the palea. Seed deeply furrowed. 
derable genus widely "vins bi^ the temperate and cooler regions of the 
word, ars represented in Australia only by an introduced weed. 
*1. A. fatua, Linn.; Kunth, Enum. i. 302.—An erect glabrous 
annual, 2 or 3 ft. high; dane a Bt panicle fof large spikelets, hanging 
from filiform "ope pedicels, arr anged in alternate branches along 
the main axis. Oute r glumes nearly 4 in. grum Flowering gium i 
or 3, scarce vos so long, of a firm texture at the base, and covered Ven ^ 
with long brown hairs. Awn fully twice as long as the spiketet 
at the base, abruptly bent about the middle. Ovary 
. 
ry. 
A common weed of cultivation in all corn countries, probably a native of the he 
Mediterranean region, now established as apparently wild in S. Australia an 
the Wimmera, in Victoria (F. Mueller). 
