702 GRAMINE® (Stapf). [Brizopyrum. 
or altogether invisible except by transmitted light; callus obscure, 
glabrous. Pales shorter than the valves, 2- keeled, keels sometimes 
narrowly winged. Lodicules 2, truncate-cuneate, nerved, ciliate, 
sometimes also papillose. Stamens 5. Ovary obovoid, obtuse, glab- 
rous ; styles distinct, very short; stigma laterally oxserted, plumos e. 
Grain enclosed by the seareely changed valve and pale, free, oblong, 
semiterete ; hilum basal, minute ; embryo sma 
erennial or ann nual ; innovations intravaginal ; blades flaccid or rigid, and 
Reem ligules a hairy or ciliate rim ; panicles spike -like, or partly or wholly 
transformed into ee eoacad spikes ; glames glabrous or hispid from 
ubercle-based hai 
Species 5, in extra- r= South Africa; 1 also in St. Helena. 
Spikelets in spike- like ale ad : Bie nd the axis ; 
‘ag ina 
ne 
rarely unifo silty eee at ae base; authers + lin. 
long or apie Ser n-3. : B. A Magra : 
V oh cute cilia or brie tles ; spikelets 
; ie i Biss agp 4-2 fin Slihiad 
Snide a sul 
Leaves v finely Most all — spike- 
lets iy | lon gid; lower 
glume and er es with Stitt tuber i 
based bristles ; annu (1) ciliare. 
Leaves agri (except wsaeesa a beard 
at the mouth); spikelets about 2 lin. 
ong, not tangid f g ge glabrous ; 
valves with short fine rigid cilia : 
Upper ip 2 Sheath rath exceeding 
: base of the panicle ; anthers 
2 ia oe ee ied bec (2) obliterum. 
ieemeet sheath remote from the 
ei anthers up to almost 1 lin. 
... (8) glomeratum. 
Valves with, g.- Seas tipped cilia along the 
-lanceolate, acutely acuminate ... (4) acutifiorum. 
lower clustered on very short branches ; valy 
nely and uniformly ‘iillds near the base, varely 
ziabrons, hairs clavate ; anthers ? lin. or m 
ee and valves subcoriaceous, very obscurely 
nerved ; esngns A often clustered near the 
base ; leaves rigid es ... (5) capense. 
hin sli ht 
prominent in the cg part ; spikelets 
pai 2-ranked ; leaves glaucous, not 
grees loosely imbricate, 31-4 lin, long ; 
es long, flaccid (6) alternans. 
skit a tightly imbricate, 2-23 24 lin. 
; leaves ... (7) brachystachyom. 
B. ciliare (Stapf in Hook. Icon, PI. t. 2602) ; annual, ie 
culms geniculate, suberect or ascending, very slender, 4-6 in, long, 
Pe ae ee Te eT ee ee 
