Prionanthium. ] GRAMINE& (Stapf). 455 
XXVI. PRIONANTHIUM, Desv. 
_ Spikelets more or less oblong, sessile or subsessile in a spike- 
like panicle or raceme; rhachilla tough, minutely produced 
beyond the upper floret. Florets 2, ¢. Glumes 2, persistent, 
orsmooth. Valves enclosed by and shorter than the glumes, sub 
equal, hyaline, 3-nerved, acute, muticous. Pales slightly shorter 
than the valves, hyaline, 2-nerved. Lodiecules 2, broadly cuneate or 
subquadrate, minute, fleshy. Stamens 3. Ovary glabrous; styles 
short, distinct ; stigmas plumose, laterally exserted. Grain enclosed 
by the searcely altered valve an 
Annual; culms slender; leaves narrow; ligule a line of hairs; panicles spike- 
like, or reduced to spike-like racemes; spikelets 2- (rarely 3-) nate, or solitary, 
adpressed, rigid 
Species 3, in the Cape Colony. 
Panicle spike-like, not secund, nor 2-ranked : 
Lateral nerves of the glumes close to the keel, mem- 
branous margins very broad .., oF fat see 
Lateral nerves of the glumes more equally distributed 
_ _ over the sides, margins narrow ek ee ... (2) Ecklonii, 
Panicle reduced to a 2-ranked secund spike-likeraceme ... (3) pholiuroides. 
(1) rigidum. 
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Phalaris dentata, Linn. f. Suppl. 106; Thunb. Prodr.19; Fl. Cap. 
ed. Schult. 106; Durand § Schinz, Consp. Fl. Afr. 797 (partly). 
hleum dentatum, Pers, Syn. i. 79. Chiloehloa dentata, Trin. Gram. 
Unifl. et Sesquifl. 168, 
CentRAL Recion: Calvinia Div. ; Bockland (Bokke Veld), Thunberg / 
2. P. Ecklonii (Stapf) ; culms tufted, scantily branched below, 
't. long, glabrous, 3-noded ; internodes gradually 
