576 GRAMINER (Stapf). [ Perotis. — 
long, rather dense; axis smooth, terete; spikelets about 1 lin. long, 
linear-lanceolate ; glumes scaberulous, 3-10 lin, long, very fine, flexu- 
ous, often purplish ; valve less than 2 + lin. long ; pale under + lin. 
Jong; tip finely ciliolate ; nee # lin. long; grain aimost 1 lin, 
long. Beauv. Agrost. 172, t. fig. 9 (P. laxifolia (by error), 
6); Kunth, Rév. Gram. i. 357, i 92; Enum. i. 470; Suppl. 380; 
Hook. Niger Fl. 569; Steud. Syn. Pl. Glum,. i. 186 ; Anderss, in 
Peters, Reise Mossamb. 561; Oliv. in Trans. Linn. Soe. xxix. 1765 
Durand § Schinz, Consp. Fl. Afr. v. 734; Hook. f. Fl. Brit. Ind. vil. 
98; not Thunb. P. scabra, Willd. ex Trin. Gram. Unifl. et cae 
172. Agrostid. ii. 21, and in "‘Mém. Acad. Pétersb. sér. 6, vi. 267; Steud. 
Lec. 186 ; ert ao § ‘Schinz, le. 73%. P. hordeitformis, Nees ex Steud. 
Nomenel. ed, ii. 306; Fl. Afr. Austr. 139; Trin. Agrostid. il- 
21, and in Mem. Acad. Pétersb. scr. 6, vi. 267; Steud. Si yn. Pl. Glum 
i. 186. Saccharum spicatum, Linn. Sp. Plant. 54; not of Thunb. 
Prodr. 20. ee spiceformis, ce fil. Suppl. 1 
laa RE : Transvaal ; Bosch Veld, at prec sgn pedis 
* Natal, near Du rban, bs slow 500 fi rége ! eys bet 
Tageln pene Umpumulo, 100 , Buchanan, 168 ! a pitine sii a cl 
Gerrard, 687! Delagoa "Bay, For 
Throughout tropical Africa and rene 
Saccharum spicatum of 'Thunberg’s Prodromus, 20, from Table sou j 
refe “mit by him t to reheat is La ita in ieee el cret 192 (andin Fl Cap. e 416; 
en Schult. 111). is Imperata arundinacea, Cyr., according to Nees ; ne there 
no specimen of iti in . Phiteibeeg 8 heutasiadk 
XLIX. TRAGUS, Haller. : 
Spikelets sessile, in deciduous clusters of 2-4 on the filiform con- 
tinuous axis of a cylindric, spike-like panicle ; rhachilla tough, nob 
continued beyond the floret. Floret 1, $, somewhat shorter than | 
the upper glume. Glumes very dissimilar, lower facing the rhac his, 
minute, ayaline, or suppressed, upper 5-ribbed or 5-nerved, mem- ~ 
branous between the hispid or spine-hooked ribs or nerves, exeoaing 
the valve, Valve lanceolate or lanceolate-oblong, membranous, 
3-nerved. Fale as long as the valve, 2-nerved. Lovicules 2, broad, 
cuneate, fleshy. Stamens 3. Styles distinct, wey clonder ; sstigmas 2 
narrow, plumose, terminally exserted. Grain enclosed by the valve 
and pale, oblong to ellipsoid, slightly pinch from the backs 
embryo about + 1 the length of the grain ; hilum punctiform, basal. 
A or perennial; culms erect, tcening or ofl san ah blades eee” e 
rather rigid boas cartilagin nous spinulous iliate 1 gins ; lignles reduced tof 4 
delic ciliate rim; panicles ig jabaevte all. oe spikelets of a cluster a 
fertile, or often 1 more or less red a 
Species 2; one in South pay — other throughout the warm parts of both e 
hemispheres, ‘ 
Culms more or less erect, 2-3-noded, with the uppe 
internodes long exserted ; upper vans ee. 
hispid or “pints ciliate — the nerves ; anthe 
Lite MOREE ie eiikibiieen~ Cy 
