Andropogon. ] GRAMINE# (Stapf). 337 
Subgenus 1, sein gun Soi (Benth.). ins solitary ; joints gine tips 
cupular wit vith toothed margins. Spikelets of each pair similar, the s ssile 3, 
wedged in between the joint and pedicel. ie pea 2-keeled, cease com- 
pressed ; upper more or less lanceolate, keeled, muticous Soe a . ine 
on 
upper deeply bifid with a slender awn from the sinus. Pedicelled spikelets 
usually more or aie reduced and barren, rarely ¢, muticous or with a bristle 
from the lower glum 
1, A hirtiflorus (Kunth, Rév. Gram. ii. 569, t. 198) var. 
core yane a, (Stapf); perennial, tufted ; culms 1-3 ft. long, glabrous, 
r less branched or almost simple ; sheaths tight, glabrous 
or ae particularly near the mouth ; ligules membranous, short, 
glabrous; blades linear, acute 2-12 a, by 1-2 lin.,. inlded, 
suppressed ; peduncles never more n 1 from each sheath, 
the lateral generally exserted ; racemes slender, stiff, 2-5 in. long, 
joints up to 20, 3-31 lin. long, with white silky hairs at the 
base, or more or less eiliate along the edges, pedicels slightly shorter, 
ciliate along one or both edges ; sessile spikelets linear, 31-4 lin, long ; 
lower elume bicuspidate, coriaceous, subconvex, aren and often 
shining, keels scaberulous, intracarinal nerves 2-5; upper charta- 
v 
valve lanceolate, 2-nerved, ciliate; upper bifid beyond the middle, 
1-nerved, lobes ciliate, awn 5-8 lin . long, lower twisted portion scarcely 
exserted ; pale very minute or 0; pedicelled spikelets barren, 13-2} 
between the mucros; valves hyaline, 3-l-nerved or suppressed, A. 
senierbis, Kunth, Davin. PL i. 48 89; Hack. Andr. in DC. Monogr. 
Phan. vi. 369 ; Paid S Schinz, Consp. Fl. Afr. v.723. A. Pseudo- 
graya, Stud Synops. Pl. Glum. i. 365; Hack. Andr. l.c. 370 ; Durand 
& Schinz, tc. 720, A. peste oa Benth. in Hook. Niger Fl. 571. 
Katanart Region: Bechuanaland ; Kuruman, Bur on Ss Transvaal ; 
Bland Riva, rib 49* ! Sintec, Rehmann, 5727! 3 
: Natal; niga Buchanan, 1 99! 
Tro opical regions Waa — ispher: 
The typical reas which has the mabe as well as the joints and pedicels 
hairy all over, does not occur in the Old World. 
Subgenus 2. Hypo OGYNrIUM (Hack.). Racemes solitary, each gore supported 
by uspathe ; joints slender, tips oblique. Spikelets of each pair very similar, the 
sessile, rarely 2, orsally compressed. ower glume 2-keeled, upper Janceo- 
late, keeled, muticous or shortly awned (in the South African species). Lower 
valve hyaline or bs i gare upper entire or bifid (in the South Bien species), 
or barren, awale : : ideo 
e\ Aecsates 
2. A. eareuiaitonate (ec ees, Fl. ae 2 rere 109) ; ; perennial, inhted, 
culms erect or asc ending; very slender, 1-4 ft. long, glabrous, 
smooth, many-noded, simple below, branched ees branches 
solitary or 2—-4-nate, often subpendulous, filiform, with tre tips, 
Space! iy a spathaceous raceme or panicle ; sheaths _ ticht, 
VOL 
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