OPHIURUS. ANDROPOGONEJE (AUCT. EDUARDO HACKEL). 319 
lidze. Articuli spieulas equantes, (diam. 1,5 mm.), reetiuseule disjun- 
gentes, dorso glaberrimi, eurvato-costati. costa una (limes pedicelli 
adnati) reliquis crassiore, in internodiis eonsecutivis sensu inverso cur- 
vata, rhacheos dorso speciem undulatam tribuente. Spieule 2,5—3 mm. 
long& ; gluma P^ cartilaginea, obtusa, margine levis, dorso convexo 
obsolete striata leviuscula; I“ T» zquans, hyalino-membranacea, 
late ovali-oblonga, obtusa, subtrinervis, ecarinata, superne gibbula ; 
I II?» subzequans, ei similis, includens paleam oblongam ssepe abbre- 
viatam et in lacinias 2 fissam sed nullum florem ; IV* paullo brevior, 
late ovalis, obtusa, 1-nervis, cum palea adhuc breviore, angustiore. 
Anthere 1,5 mm. longs. Haud raro adest rudimentum spieul® 
pedicellatze semiorbiculare uniglume cum pedicello adnato sine limine 
connatum, in internodio disjuneto supra apicem prominens. 
Ins. Philippinze (Cuming 1339); Luzon (Haenke); China pr. Wham- 
poa (Hanee 1248). 
4. O. perforatus (Trin. in Mém. Acad. Petersb., ser. 6, vol. 2, 
p. 246); spiculis fertilibus ad quemvis rhacheos nodum (saltem in _ 
parte inferiore spicæ terminalis), geminis, oblique oblongis. — Rott- 
beellia leevis Retz. Obs. 3, p. 11; R. perforata Roxb. Pl. Corom., 
t. 182, Fl. Ind. ed. Carey 1, p. 356; Mnesithea levis Kunth Revis. 
Gram. 1, p. 154; Hemarthria? perforata Kunth l. e. p. 153; Dipe- - 
rium eylindricum Desv. Opusc., p. 76, t. 6, f. 3; Thyridostachyum 
leve Nees in Lindl. Introd. Nat. Syst. ed. 2, p. 379. Ophiurus levis 
Benth. in Journ. Linn. Soc. 19, p. 69. 
Culmi 0,5—1 m. alti, 4—5-nodes, teretiusculi, e nodis 1—2 supe- 
rioribus ramum floriferum elongatum simplicem, raro ramos binos 
inzequales edentes, rarissime simplices. Vaginze teretiuscule, subcari- 
nate. Lamin® e basi quam vagina subangustiore lineares, superne 
parum angustatz, inferiores obtus®, superiores acutiuscule, 8—35 
cm. longs, 3—5 mm. late, patulæ, virides, excepta basi barbata 
glabrz, supra leves, subtus ad costam mediam marginemque + sea- 
bra. Spies spurie 10—20 cm. longs, breviter exsertz, sordide 
virescentes v. subviolascentes; articuli in spicze parte inferiore (raro - 
in tota) ubi spiculze sessiles geminze inveniuntur, semicylindrici, spi- 
culis »quilongi v. subbreviores, glaberrimi, costati, in parte supe- 
riore (v. in spicis axillaribus totis) ubi spicul® sessiles solitarise sunt, 
angustiores, excavationibus 2 contiguis septo longitudinali sæpius 
plus minus perforato separatis muniti, inter quas pedicellus angus- 
- tus basi et apice articulo adnatus spiculae pedicellate rudimentum 
