540 GRAMINEX (Stapf). [Arundo. 
glumes, ovate to lanceolate-ovate, acuminate, finely bifid or entire, 
long hairy below, 5—9-nerved, 3 nerves more or less pereurrent or 
obovoid-oblong, broad, loosely enclosed the valve and pale; 
hilum a punctiform ; ; onion occupying almost wholly one side 
of the gra 
Saha bail creeping rhizomes, veep ge te shoots and very tall and stout 
culms; leaves rather ever “A distr ributed over the culms; sheaths slightly 
exceeding the internodes ; s long, broad, flat, ligules very short, mem- 
branows'; panicles large, much privet spikelets h airy. 
Species 1, all over the Mediterranean regions to the Himalaya; introduced 
into adele and South Africa 
1. A. Donax (Linn. Se Pl. 81); glabrous ; culms erect, 6-15 ft. 
long, smooth, hollow, very many-noded, simple or scantily branched, 
internodes slightly exceeded by the sheaths, these very tight, firm, 
smooth ; blades linear-lanceolate from a broad base, oe tapering to 
a very fine e point, more or less drooping, 1—2 ft. by 1-21 ., smooth ; 
panicles erect, 1-2 ft. long ; branches scaberulous, erect or 1 drosptii 
phe 4- 52 lin. long, light brown; glumes glabrous ; valves 
3-5 lin. long; hairs 23-4 lin. long ; anthers 12 “lin. long ; se 
; 874 ; rook Ie ont Ind. vii. 302. A. sativa, Lam. Fl. 
Frang. iii, 616. Sie adak, me Beauv. Agrost. t. ie Bi 
Expl. 11; Nees, Fl. Afr. Austr. 357. Scolochloa Dona. 
Fl. Helv. i. 202. S. arundinacea, Mert. § Koch in eae 
Deutschl. Fl. i. 530. 
SovutH AFrrica: without agp locality; Drége! 
Coast ReGion: Riversdale Div.; Lange Bergen (?), Mund sd Maire. 
pierumch ite ; by the Uwartkoe River, near P, Maré’s Farm, Ecklon 
Intr 
Imperfectly known species. 
2. A. webbiana (Steud. Syn. Pl. Glum. i. 194), dese eribed from 
specimens collected by Webb in the Cape Colony and preserved 
in the Lenormand Herbarium, is almost certainly a species ° 
Danthonia. 
XL. PHRAGMITES, Trin. (partly). 
Spikelets loosely 3-10-flowered, awnless, in large panicles ; rhachilla 
disarticulating above the first aaa haterean the following valves, 
slender, glabrous, joints very short ; lowest flower male or “abort ive, 
the following hermaphrodite, the oy aes ost pic reduced. Glumes 
nome unequal to subequal, lanceolate, acute, more or less rounded on 
e back, 3-nerved, or the lowest sivdittonnd ns 5-nerved. Valves 
