319 
Fertile valve finely rugulose. and smooth; 
* muero. very minute; - lower: ginme 0+ 15-0+2 
- em. long, 3-nerved:« - - - 4, praetervisa.. 
_ U. reptans (Linn.) Stapf in Prain Fl. Trop. Afr. ix. 601 
ect fronton? reptans Linn. Syst. Nat. ed. x. 870 (1759); 
P. repens Burm. f. Fl. Ind. 2. f. 1 (1768) non Linn. ;°P. prostratum 
Lam, Ill. i. 171 (1791); Benth. Fl. Austral. vii. 476 (1878) ; 
P. barbatum Linn. l.c.; P. caespitosum Sw. Fl. Ind. Oce. i. 146 
(1797); P. Siebert Link, Hort. Berol. i. 207 (1827); P. procumbens 
var., Nees Agrost. Bras. 109 (1829); P. crispwm Llanos, Fragm. 
42 (1851); P. insularum Steud. Syn. Pl. Glum. i. 61 (1854); 
-P. calaceanzense Steud. l. c. 65; P. aurelianum Hale in Wood, Class- 
book, ed. iii, 787 (1861); P. viaticum Salzm. ex Doell. in Mart. 
Fl. Bras. ii, ii, 155 (1877); P. marginatum Vahl. ex Hook. f. Fl. 
Brit. Ind. vii. 33(1897); Brachiaria prostrata Griseb. in AbhyGes. 
Wiss: Goett. vii. 263. 
N. Territory: Upper Vietats River, Mueller; Victoria 
River, Sandy Island, Mueller. 
.2..U. notochthona (Domin) Hughes nov. comb.; Panicum 
notochthonum Domin in Fedde, Repert. x. 60 (1911); P. helopus 
Benth. Fl. Austral. vii. 476 (1878) non Trin. 
N. 8. Wass: Darling River, Dallachy ; ; Tongo Station, 
Wilcannia, Hourigan. 
3. U. Gilesii (Benth.) H ughes nov. comb.; Panicum Gilesii 
‘Ben th. Fl, Austral. vil. 477 (1878), 
N. ora Charlotte Waters, Giles !. 
S. AusTRALIA: Finde River, Mueller ;,-and ieoak, precise 
locale Gosse 187. 
N.S. Wares: Coonamble, French. z 
4. U. praetervisa (Domin) Hughés nov. comb.; s oprreee 
risene an Domin in.Biblioth. Bot. lxxxv. .309 (1915): ae 
adspersum Benth. Fl. Austral. vii. 481 (1878) non Trin. 
S. AUSTRALIA : Misia of Lake Eyre, Andrews 156; Mt. 
Lyndhurst, Max Koch 6 
VII. Echinochloa Beauv. Agrost. 53, t. ii., £.2. (1812). 
Spikelets awnless or mucronate only, densely 
crowded in four rows along the rhachis, without 
hairs or bristles = - 1. colons. 
Spikelets mostly acuififiicte or swiled: chowded 
and clustered along the rhachis, usually inter- 
mixed with rigid hairs or bristles - _ - - 2. Crus-Galli. 
1. E. colona (Linn.) Link Hort. Berol. ii: 209 (1833); Panicum 
colonum Linn. Syst. Veg. ed. x. 870; Benth. Fl. Austral. vii. 478. 
N. Terrrrory : near Darwin, Allen 23, 
