726 
CLVII. GKAMINEiE (Stapf). 
[. Panicum . 
common axis filiform, terete, glabrous, internodes 4-2 lin. long ; 
primary branches like tbeir divisions much spreading, to horizontal 
or deflexed, capillary ; the ultimate divisions bearing 2 scattered 
spikelets ; pedicels J-lJ.lin. long, with truncate tips. Spikelets 
lanceolate to oblong, acute to acuminate, 1 lin. long, green, glabrous 
or loosely pubescent. Glumes thinly membranous, finely and 
prominently striate ; lower lanceolate, acuminate, three-quarters 
to four-fifths the length of the spikelet, 3-nerved; upper corresponding 
in length and outline to the spikelet, 7-nerved. Lower floret barren ; 
valve similar to the upper glume, but 5-nerved and sometimes slightly 
shorter ; valvule more or less (sometimes much) reduced, linear, 
subobtuse, quite hyaline. Upper floret oblong, obtuse, f- lin. 
long, whitish, polished : valve and valvule papery to sub coriaceous. 
— Durand & Schinz, Consp. FI. Afr. v. 760. P. tylanthum, Hack, in 
Engl. Hochgebirgsfl. Trop. Afr. 118 ; Durand & Schinz, l.c. 766. 
Upper Guinea. Cameroons : Cameroon Peak, 7000-8000 ft., Mann, 2090 ! , 
Nile Land. Abyssinia : Tigre ; Mount Hedja, 9000 ft., Schimper, 1095 ! 
81. P. parvifolium, Lam. III. i. 173 (?), and Encycl. iv. 742. A 
loosely tufted perennial, with long trailing and rooting stolons from a 
very slender rhizome, the flowering culms rising J-l ft. above the 
leafy tufts. Culms filiform, many-noded, ascending, simple or 
sparingly branched, terete, smooth and glabrous, nodes mostly 
long-exserted. Leaf-sheaths tight, terete, finely striate, quite 
glabrous and smooth, usually much shorter than the internodes ; 
ligule reduced to a fine ciliate membranous rim ; blades lanceolate 
to linear-oblong from a rounded clasping base, acute, from less than 
\ to over § in. by 1J-2J lin., flat, firm, spreading or more or less 
deflexed, quite glabrous, smooth, midrib and primary lateral nerves 
(2 to 3 on each side) very fine and sometimes indistinct with 3-4 
secondary nerves in the intervals, connected by cross- veins. Panicles 
very shortly exserted, erect, ovate in outline, from J to over 1 
(rarely up to 3) in. long and broad, rigidly open and loose, divided up 
to the third degree ; common axis angular, smooth ; internodes 
irregularly short and long, in average panicles from 1-4 lin. long ; 
primary branches like their divisions much spreading, to horizontal 
or deflexed, and bearing from some distance above the base 4-2 
solitary spikelets or downwards 3-2-spiculate branchlets, finely 
filiform or like the pedicels capillary and smooth, the latter 1-2 lin. 
long, rarely longer, with truncate tips. Spikelets elliptic-oblong, 
subacute, § to almost f lin. long, somewhat plump, quite smooth. 
Glumes thinly membranous, finely but distinctfy nerved, unequal ; 
lower ovate, acute, about half the length of the spikelet, 3-nerved ; 
upper corresponding to spikelet in length and outline, 5-nerved. 
Lower floret barren : valve like upper glume ; valvule oblong, 
shorter. Upper floret broadly ovate^elliptic in outline, subapiculate, 
whitish, J-f lin. long, polished ; valve and valvule subcoriaceous ; 
u 
