476 CXLIV. GRAMINE&. [Panicum. 
Panica by the large obtuse spikelets, with the outer glume nearly as long as the 
others, and with a male flower in the third glume. 
19. P. prostratum, Zam. Illustr. i. 171.—Stems decumbent or 
creeping and rooting at the base, ascending to 1 ft. or more, Leaves 
lanceolate, 1 to 2 in. long or in luxuriant specimens twice as long, 
very short a oad, obtuse or almost acute, the 2ud and 3 
nearly equal, 3- or 5-nerved, the 3rd with a large palea and some 
times l er in its axil. Fruiting glume smooth, very obtuse, 
Kas Australie. Upper Victoria River, F. Mueller; Gulf pf Carpentaria, Lans- 
roug . 
Generally distributed over tropical Asia, it is also in Africa and the West Indies. 
20. P. helopus, Trin. in Spreng. Neue Entd. ii. 84.—Stems pi 
rather tall. Leaves lanceolate, often rather broad and cordate at the 
nicle 
ranches, sometimes 3 to 5 almost sessile nbove the last leaf, € 
times 6 or 7 on a rather long peduncle. Spikelets irregularly qs 
nate in 2 rows along the rhachis, or the lower ones clustered i^ 
the upper ones more distant, ovoid, acute, nearly 2 lines long, pe " 
cent villous or glabrous. Outer glume very short and broad, ge a 
the 2nd about 7-nerve ; the 3rd about the same om it- 
narrower, 5-nerved, with a palea in its axil but no stamens. Fru 
ing glume minu €: 
dneed — a short awnlike point not exceeding the empty glumes- 
n. Spec. i 
1.74; U. panicoides, Beauv. Agrost. 52, t. 11; Kunth, l. e. and Revis. 
Gram, t. 14. : 
N. S. Wales. Darling River, Dallachy, and thence to Cocper's Creek, d 
Var. glabrior. Spikelets : irregularly arranged alo 
Go ae Pi&elets more numerous, loosely and irreg y 
N. Australia. Lower Victoria River, F, Mueller. py the 
The species is common in tropical Asi nd Africa. It is readily known 9Y 
point or short awn of the frites aine sounding that of Eriochloa p meta oe 
which the plant has also somethi the aspect, but the spikelet has the o ak 
une developed and is not seated on the peculiar disk-like base of that ge” 
haying adduced as a synonym to U. panicoides, P, javanicum, Poir., that 
