34 
CLVII. GRAMINE^ (Stapf). 
[Ischcemum. 
I. Junodii, Hack, in Viertelj. Naturf. Gres. Zurich, lii. (1907), 419, from Haut 
Bokhahe near Shilouwane, Transvaal, 3300 ft., Junod, 2365 a, is very probably 
this species. 
4. THELEP0G0N, Roth ; Benth. et Hook. f. Gen. PL iii. 1131. 
Spikelets solitary and sessile, one at each node of the articulate 
fragile rhachis of digitate or subcorymbose spike-like racemes, each 
accompanied by an empty pedicel and deciduous together with it 
and the adjacent joint of the rhachis, joint and pedicel gaping. 
Florets 2, lower d, upper $ . Glumes subequal, the lower coriaceous, 
somewhat rounded on the back, not keeled, transversely prominently 
rugose, with margins not inflexed ; upper chartaceous, rather flat, 
not keeled, with narrow inflexed margins, more or less transversely 
rugose on the back. Valves hyaline, of the lower floret awnless, of 
the upper floret deeply 2-fid, 5-nerved with the outer lateral nerves 
running out into the lobes and with a perfect awn from the sinus. 
Valvules hyaline, slightly shorter than the valves. Lodicules 2, 
cuneate. Stamens 3. Stigmas linear, laterally exserted below' the 
middle. Grain oblong, laterally slightly compressed ; scutellum 
narrowly elliptic, slightly exceeding the middle. — Annual ; leaves 
lanceolate from a broad cordate base, glaucescent ; ligules very 
short, membranous ; racemes subterete ; joints slightly curved, 
compressed and flattened below, clavate upwards. 
Species 1, in Tropical Africa and India. 
1. T. elegans, Roth ex Roem. & Schult. Syst. ii. 788, and Nov. PI. 
Spec. 62. Annual. Culms somewhat stout, erect from a geniculate 
and frequently rooting base, up to over 2 ft. high, 6-9-noded, terete, 
smooth or more or less rough towards the inflorescence, simple or 
branched. Leaf-sheaths loose, prominently striate, glabrous or 
more or less hirsute with tubercle-based hairs and ciliate along the 
outer margin ; ligules ciliolate ; blades lanceolate to linear-lanceo- 
late, from a broad and often amplexicaul cordate base, up to 10 in. 
by over 1 in., flat, somewhat flaccid, glaucescent, glabrous and 
smooth, excepting the spinulose-ciliate margins or more or less 
scabrid from short tubercle-based hairs, midrib whitish above, 
primary lateral nerves 5-7 on each side, fine. Racemes pale green, 
from 2-6 in. long, 2-12, if many the lowest verticillate, simple or 
divided, the following J in. to 1 in. higher up from the common 
rhachis, all with scabrid or hispidulous peduncles up to 1 in. 
long ; joints 3-4 J lin. long, with several green scabrid nerves on 
the back and straight tips ; pedicels linear, obtuse, somewhat 
longer than the spikelet, flat, scabrid on the back and the 
margins, slightly curved, contiguous with the apex of the joint, 
enclosing with it a lanceolate space exposing the back of the upper 
glume. Spikelets with a short annuliform ciliate callus, 2A-3J lin. 
