438 GRAMINE (Stapf). [ Pennisetum. 
minutely ciliate below the tip, pret scaberulous or almost 
smooth, firmly membranous, finely 5-nerved, margins obscurely 
inflexed in the upper thir rd 3 upper salve similar to the lower, 
glabrous ; pale almost as long as the valve, hyaline, 2-nerved ; lodicules 
broadly cuneiform, gees jo lin. long; anthers $—Z lin. oe grain 
unknown. Durand § Schinz, Consp. Fl. Afr. 7 786 ; ” Bitud. Fl. Congo, 
1,328. P. dioicum, Engl. Hochgebirgsfl. Trop. Afr. 122 (3 partly) ; 
Durand & Schinz, Consp. Fl. Afr. 778 (partly). P. longisetum, 
K, Schum. in. Engl. Pfl. Ost-Afr, C. 105 (ewel. most syn.). Setaria 
dioica 3, Hochst. in Flora, 1841, i. Intell. 19 (name only). 
Gymnothrix peagioe Nees, Fi. "Afr. Austr. 66. Beckera dioica, 35 
Nees in Linnea, xvi. 219. B. uniscta, Hochst. in Flura, 1844, 512; 
Steud. Syn. Pl. Gra am: i. 118. B. “glabrescens, Steud. le. 117. 
Beckevia dioica, aay Nom. ii; 63. 
EasverN Recion: Natal; near Durban, in coffee gardens, Drége’ Um- 
sna, 1500-2000 te , Buchanan, 220! 221! 
This grass is not diwcious as was ri up red pare the names Pe nnisetuin 
diotcum, Setaria otis, Faget dioica. tii considered as repre 
ng the 2 sex belong to P. diotewm, A. re ae eckera petiolaris, Hochst) 
which is, how wever, as little dicecious as P, see tag ip supposed ¢ se the 
composite species P, dioicuin 
XIX. STENOTAPHRUM, ‘Trin. 
Spikelets lanceolate to ovate-oblong, sessile, singly or 2-4 on the 
very short branches of an apparently simple secund spike, more 0! 
or reduced to an empty valve; upper ¢@. Siienet usually very 
dissimilar, lower minute, hyaline, upper almost equalling the 
spikelet, 5-7- nerved, rarely both more or less similar and minute, 
or the lower nerved like the upper, although smaller. Valves equal, 
lower (outer) firm chartaceous, 3—9-nerv ed, upper t thinner, 5-nerved. 
Pales almost equalling the valves, 2-keeled, Lodicules 2, obliquely 
quadrate, nerved. Stamens 3. Styles free or almost so, very § slender ; 
stigmas long, plumose, laterally exserted. Grain broadly elliptic 
ote hee compressed from the back, tightly enclosed ; bilum 
orm, basal; embryo about 2 the length of the grain. 
Nias ing or prostrate branched ES with ascending culm ; sheaths 
cerongly — eed, lower more or less flabellate 5 idedon mostly nto scams 
pan 5, “ae on the shores of the tropical and subtropical seas. 
1. S$. glabrum (Trin. Fund. Agrost. 176); culms ascending, 
prostrate or creeping and frequently rooting at the nodes, often very 
long, strongly compressed, glabrous, smooth, many-noded ; sop 
glabrous or more or less hairy at the mouth of the sheath or at i 
junction with the blade, lower crowded at the base of the branches, 
more or less flabellate, followed often by a pseudo-opposite pair of 
