GRAMINE® (Stapf). 319 
XC. Vulpia—Annual. Panicle contracted, spiciform or racemiform, usually 
secund. Glumes generally very unequal ; the lower small or sometimes obsolete. 
Valves subulate-lance = passing into a straight, often long, awn, rounded on 
ack, 5-nerved. Ovary glabrous ; ‘iten terminal, 
XCI. Bromus.—Annual o ok rennial. Panicle various. Glumes more or less 
unequal. Valves A egal to bee oadly oblong, rounded on ial — or keeled 
5-9-nerved ; aw1 or somewhat distant from the, oft oothed , tip, 
rarely 0. St lee Rance lateral on a hairy 2-3-lobed sare Se of. the 
ov 
** Spikelets subsessile in a simple raceme (false spike). 
XCI. Brachypodium.—Valves 7-9-nerved; awn terminal, rarely 0, 
be 16. HORDE AJ. Spikelets sessile, singly or in clusters on the notches 
ot a "snp spike, sometimes partially sunk i in hollows of the same. florets 1 or 
ribe 1. Lorem. Spikelets ene Bs a 1 nodes of the spike, with their 
pane ral to the rhachis. Lower glu present, contiguous with the 
xorn, Lolium.—Florefs 3 to many. Lower glume et Lh a ee sg 
or 
the terminal spikelet, upper rigidly herbaceous pet 2 erv 
setae than the florets. Valves herbaceous to chartac s, 5-7-ne rve 
XCIY. ee j-2. Lowe er igi minute or rH upper excee ding the 
florets, rigid, many-nerved. Vali membranous, 38-l-nerved, side-nerves 
submarginal, 
XCV. Oropetium.—Florets a Lower ‘heim bent or 0, upper exceeding the 
florets, nerves 3, confluen a broad rigid midrib, sides membranous. Valves 
membra anous, 3-nerved, es -nerves eierewel callus hairy. 
Subtribe 2. Triricen. elntonag solitary at the nodes of the spike, with 
their plane sedioutiar . the rhac 
XCVI. Agropyram.—The only South African genus. 
Freie 3. Etymea. Spikelets 2 or more, collateral or fascicled at the nodes 
of the spike, 
XCVII. Hordeum.—The only South African genus. 
B. Blades transversely veined (in the South African species). 
(XCVIIT.—C.) 
Tribe 17. PHAREA. Spikelets ngage dire unisexual, moneecious, the 
dsmall. Floret 1. One or both glumes of t often minute or obsolete. 
Fruiting valve coriaceous t euch Som Lodicules 3. Stamens 3-6. Blades 
_ flat, broad, m many-nerved, often ioled. 
XOVIII. Olyra.—The only South African genus. 
Tribe 18. BAMBUSEA. Spikelets all of one kind. Florets few to many, 
rarely 1. Glwmes distinct or indistinetly aierentited, i.e, passing below into 
more or less numerous bracts and scaaetlane having like them flowering branchlets ~ 
vg spikelets 1 in their uxil, and at the same time resembling the valves. Valves sub- 
herbaceous to oe 5- to many-nerved, generally awnless. Lodieles 
usually 8. Stamens 3,6 or more, Styles2 or 8. Shrubs or trees. Blades flat, 
many-nerved, artienlates oi on ‘the sheath, 
Subtribe 1, ARUNDINARIES. San aid 3. Fruit a true caryopsis. 
XCIX, Arundinaria —The only South African genus. 
Subtribe 2. Evpampusex. Stamens 6. t a true caryopsis. 
C. Bambusa.—Florets many. Pales Sie Faia is free. 
