ROTTBOELLIA . ANDROPOGONEJE (AUCT. EDUARDO HACKEL). 508 
glaberrimæ. Racemi 6—10 em. longi, pallidi v. sordide violascentes ; 
articuli spicula sessili paullo breviores, diam. 1,5 mm., glaberrimi. 
Spicule sessiles 5 mm. longz, rhacheos cavum apice superantes ; 
gluma I"* obtusa, emarginata, dorso plana, scaberula, intus pluri- 
nervis; II‘ primä paullo brevior, chartacea, elliptico-lanceolata, 
marginibus ciliolata ; II" ovali-oblonga, obtusa, paleam eå '/, breviorem 
enervem fovens. Spiculæ pedieellat® nunc ad glumam I™ 1,5 mm. 
longam uno latere alatam redacta, nunc (rarius) 4 ram. longa, oblonga, 
biflora, gluma I^ unilateraliter, II“ carina superne latissime obtuse- 
que alata. 
Birma pr. Promé (Wall. 8877 B); Malacca (Griff.); ins. Karnikobar 
(Kamphóvener in h. Havn.); Java (Zoll. 352 — var. javanica Büse 
Pl. Jungh. p. 356, Ophiurus muricatulus Steud., pedicellis altero 
latere v. utrinque in denticulum brevem obtusum exeurrentibus. Var. 
propria ?). Ins. Philippinze (Cuming 1832). 
19. R. ophiuroides (Benth. Fl. Austral. 7, p. 514 ampl.); 
spiculæ sessilis oblong& v. obovato-oblong® gluma I": chartacea, à '/, 
inferiore dilatato-alata, margine dorsoque levi v. dorso prope basin 
verruculis aliquot obsita. — Ischemum rottbeellioides R. Brown! 
Prodr. p. 205; Andropogon rottbeellioides Steud. Synops. 1, p. 382 
Culmi subrobusti, 1—2 m. alti, glaberrimi, ramis floriferis ad nodos 
3—5"** ramulosis in paniculum foliosam laxiusculam collectis. Vaginze 
preter collum puberulum glaberrime, summ:ze ramorum  spathi- 
formes. Ligula ciliata. Lamine 30—50 em. longze, 8—18 mm. late, 
virides, basi fimbriatz, utrinque læves, margine serrulato-scaberrimze. 
Racemi 6—8 em. longi, virides v. flavescentes v. leviter violaceo- 
suffusi; articuli spicula sessili '/, v. '/, breviores, diam. vix 1 mm., 
subclavati, dorso szepius subcarinati, (inde obtuse trigoni), glaberrimi. 
Spieulz sessiles 4 mm. longæ, rhaeheos cavum et lateribus et apice 
excedentes ; gluma IP" obtusa, obtuse biloba, alis inzequalibus scariosis 
ssepe violascentibus obtusis minuta, subdistincte (per lucem transpa- 
rentem distincte) 5—6-nervis ; II“ primá brevior, lanceolata, acuta, 
chartaceo-membranacea, interdum sub-3-nervis, carina sub apice bre- 
vissime alata v. submarginata scaberula; I II^" æquans, elliptico- 
lanceolata, acuta, glabra, epaleata. Spieule pedicellate plerumque 
oblong&, 3,5 mm. long®, gluma I"* altero margine inflexa alataque, 
4—5-nervis, glabra; II^ infra apicem brevissime obtuseque alata, 
reliqua ut in spiculis sessilibus sed flos 5, raro ex Benth. 8 v. tota 
spicula ad glumas redacta. 
