337 
Hyparrhenid.] clvii. graMineas (Stapf). 
thinly chartaceous ; lower minutely truncate, dorsally flattened, 
more or less hairy, 7-9-nerved, nerves very faint below the tips, 
margins narrowly involute and indexed near the tips, with scabrid 
short keels ; upper minutely and obliquely truncate, mucronulate, 
3-nerved, more or less hairy on the back, erect, ciliate upwards. 
Lower floret reduced to a linear-oblong truncate obscurely 2-nerved 
or nerveless ciliolate hyaline valve. Upper floret ^ : valve stipiti- 
form, minutely 2-toothed ; awn fine, 10-16 lin. long, column brown, 
finely hispidulous. Anthers 1J lin. long. Pedicelled spikelets 
or neuter, lanceolate to linear-lanceolate, up to 3 lin. long, reddish, 
glabrous or more or less hairy ; lower glume acutely acuminate 
or minutely aristulate, about 11 -nerved, keels rigidly ciliolate, 
upper very acute, 3-nerved, erect-ciliate ; valves hyaline, erect- 
ciliate, up to 2J lin. long, narrowly 1 -nerved, lower linear-oblong, 
upper notched, linear-cuneate, or both more or less reduced. Spike- 
lets of homogamous pair very slightly longer than the pedicelled, 
neuter (always ?) long persistent on the peduncles.- — H. umbrosa , 
Anderss. in Schweinf. Beitr. FI. Aethiop. 316. Andropogon lepidus, 
Nees, FI. Afr. Austr. 113 ; Steud. Syn. PI. Glum. i. 389 ; Hack, 
in DC. Monogr. Phan. vi. 625 (incl. vars.) Durand & Schinz, 
Consp. FI. Afr. v. 716 ; Schweinf. in Bull. Herb. Boiss. ii. App. ii. 
94. A. intonsus , Nees, l.c. 114. A. cymbarius , var. lepidus, Stapf 
in Dyer, FI. Cap. vii. 361. A. umbrosus, Hochst. ex A. Rich. Tent. 
FI. Abyss, ii. 467 ; Steud. l.c., 386. A. Tamba,- Hochst. ex Steud. 
l.c. 385 ; Eyles in Trans. Roy. Soc. S. Afr. v. 297. Cympobogon Tamba, 
Rendle in Journ. Linn. Soc., Bot., xl. 227 (the Abyssinian plant). 
Nile Land. Eritrea: Amasen ; Ambelaco, near Maldi, 6500 ft., Schwein- 
furth, 35 ! Abyssinia : Mount Sholoda, near Adowa, Schimper, 937 ! 1098 ! 
(mixed with H. pseudocymbaria) 1116 ! near Gennia, Schimper, 584 ! 9 1 1 ! 
Mount Semayata, near Adowa, 7300l‘t., Schimper, 1009 ! Gondar, Massey, 12 ! 
oUUtcvUU) 
26. H. collina ^Slapf. Perennial, 1 \ to over 2 ft. high, from a short 
oblique rhizome ; innovations extra- and intra- vaginal with firm 
glabrous bud-scales. Culms erect .or ascending, wiry and solid 
below, slender, glabrous and smooth, simple and about 5-noded 
below the panicle or with mixed or barren branches from the lower 
nodes. Leaf-sheaths terete, glabrous and smooth, tight, the lower 
withering away except for the firm persistent bases, or pushed aside 
by the branches ; ligules very short, or up to 1 lin. long, truncate, 
glabrous, rather firm ; blades linear (or the lower from a some* 
what attenuated base), long-tapering to a fine point, up to over 
6 in. by 2 lin., flat, rather firm, dull green, turning reddish, glabrous 
or with a few tubercle-based hairs upwards, smooth below, scaberulous 
above and on the margins ; midrib slender below, broader and 
whitish above, lateral nerves very fine, close and distinctly raised 
above. Inflorescence . elongated, usually scanty and lax, from 
less than J to 1 ft. long, of 4 or 5, rarely more, upwards approximate 
FL. TROr. AFR. VOL. IX. z 
