636 CXLIV. GRAMINES. 
* 84, LAMARCKIA, Moench. 
one with a small dorsal awn. Sterile spikelets longer, with several 
truncate awnless empty glumes above the 2 outer acute ones. 
The genus is limited to a single species, a native of the Mediterranean region, and 
perhaps not really naturalised in Australia. It only differs from Cynosurus in the 
fertile spikelets, containing only a single flower instead of 2 or more. 
. L. aurea, Moench; Kunth, Enum. i. 889.—A very elegant small 
tufted annual, usually under 6 in. high, the one-sided dense panicle 
occupying nearly half the length. Outer glumes of the fertile spike- 
lets 14 to 14 lines long, rather unequal, keeled, with short fine points ; 
flowering glume inserted higher up, broad and convolute round the 
flower, with a fine dorsal almost terminal awn 2 to 3 lines long. Sterile 
spikelets rather longer, the 2 outer glumes like those of the fertile 
one, with several empty ones above them, all broad, obtuse or truncate, 
elegantly distichous but not closely imbricate.—Cynosurus aureus, Linn. ; 
vum Fl. Gr. t. 79; Chrysurus aureus, Beauv.; Reichb. Ic. Fl. Germ. 
Admitted by F. Mueller, Fragm, viii, 116, as Australian on the authority of à 
8 specimen from Swan Hill on the Murray River, and a fragment received from 
mania, in both cases most probably accidentally introduced or cultivated. 
85. PHRAGMITES, Trin. 
the flowers. thin, keeled, the 2 outer ones empty, acute OF 
shortly pointed, the 3rd like them but with a longer point and en los- 
in or rudimentary flower, the others more distant, with long 
wnlike points, the rhachis terminating in a rudimentary glume 
A small genus (or subgenus of Arundo) exterdin the tropical and temperate 
: g over the tropic h : 
and some colder regions of the New as well as the Old World, the Australian species 
rec da e common one over nearly the whole area, in wet ditches, marshes and 
1. P. comm Trin.; Kunth, Enum. i. 251.—A stout perennial 
usually 5 or 6 ft. high, but sometimes twice as much, with a t 
creeping rootstock and numerous long leaves often an ineh broad, t "i 
sheaths covering the stems to the inflorescence. Panicle 6 in. to 13 ft- 
