350 GRAMINES (Stapf). [ Andropogon. 
16. A. annulatus (Forsk. Fl. Aigypt. Arab. 173) ; —— 
ceespitose ; stem erect or ascending, simple, rarely with 1-2 flowering 
branches from the upper nodes, 3 ft. long ; sheaths terete or obscurely 
keeled above, tight, glabrous except the bearded nodes, margins 
sometimes ciliate above ; ligules 1-2 lin. long, obtuse, "glabrous ; 
blades linear, tapering to a long fine point, 2-10 in n. by 2-3 lin, 
rigid, glaucous, scabrid, glabrous or with tubercle-based hats Tacemes 
ong 
pedicels about half the length of the spikelets, ciliate ; all sessile 
spikelets 3, or the lowest one like the pedicelled and ¢; ¢ spike- 
lets oblong, 13-22 lin. long, callus cae appest lower glume very obtuse, 
concave, usually more or less hairy all over the back, with tuberele- 
based hairs, intracarinal nerves 5-9, nwa below the tip, keels 
spinulously ciliate ; upper lanceolate : lower valve as long as the 
r 
form, awn slender, sia 8-12 lin. long 5 pedice elled pnieaiois hairy 
all over, flatter than the a fe er glume usually long, ciliate ail 
along the margins, TAL. rved ; valves more or less reduced, 0 or the 
upper or both supp me  Vilile, Fl. Egypte, t. 7, fig. 2; Hae 
Androp. in han. vi. 570; Hook. f. Fl. Brit. Ind. vil 
gr. vi 
196. A. Bladhii, Retz. Obs, ii. 27; Kunth, Enum. i. 498 ; Trin. 
Spec. Gram. t. 325. A. comosus, » Lain, Hort. Berol. i. 239, not 
Spreng. A. garipensis, Steud. Syn. Pl. Glum. i. 379. teaeneen 
annulata, Nees, Fl. Afr. Austr. 98. 
anid Reaion: Little Namaqualand; Verleptpram on the Orange River, 
Dré 
redas a Calvinia Div.; Hantam Mountains, Meyer. ‘ 
HARI R a ieee Herbert Div., at Blaauwbosch Drift 
on the Vaal ae Bereke ll, 1748 
Throughout the — of the Old World. 
bgenus 8. HetTeRopogon (Endl.). ee solitary, subcylindric, —— 
rhachis fragile or tong in the lower part; joints n sng: opaque, the lo 
glabrous, the upper ciliate, obliquely ene, owe 15 age “spikelets 
like the pedicelled, f or barren, awnless, very different hes the rest w are ? 
or g, subcylindric and awned. Lower ‘glume involute ; upper pi los mare Of 
less keeled, awnless. Lower valve oblong to linear, hyaline, ie upper 
ne a fe iline at the base, gradually passing into the aw Pale minute 
i: rain linear-oblong to oblong. viet cm) spikelets esti imbricate and 
the upper concealing the fruiting spikelet 
17, A. contortus (Linn. Spec. Plant. 1045); perennial; culms 
erect, stout, simple, or branched from the upper nodes, often sheathed 
all alon ng, 1-3 ft. long ; sheaths compressed, keeled, glabrous ; ligules 
short, truncate, ciliolate ; blades linear, acute or tapering to a long, 
fine point, Be: 8 in. by ve 3 lin., aad or “ae: rigid, eR § 
especially bape sparingly hairy at the base all over; racemes 
13-3 in. long, straight or curved, Thnchis se between the lowest 
2-6 pairs, the: fori 20 of which are ¢ and like the pedicelled of 
the upper pairs, joints very short, isieanaty bearded ; _ gree 
lets of the heter romorphous pairs 9 3-31 lin. long, 
long, rufous-bearded ; lower glume linear-oblong, Seaoats, ae 
