RATZEBURGIA. ANDROPOGONEJE (AUCT. EDUARDO HACKEL). 321 
1. R. pulcherrima Kunth Revis. Gram. 2, p. 487 tab. 158; 
Rottbellia pulcherrima Wall. ap. Kunth Enum. 1, p- 468; Aikinia 
elegans Wall. Pl. As. rar. 3, tab. 273; Ophiurus auriculatus Trin. in 
Mém. Ac. Petersb., ser. 6, vol. 2, p. 246. 
Perennis. Innovationes extravaginales, breves, ssepe in stolones 
supraterraneos elongate. Culmi basi decumbentes, dein ascendentes, 
10—30 cm. alti, graciles, 2—3-nodes, compressi, glaberrimi, costati, 
superne longius nudi, simplices. Vagin® carinato-compressse, laxius- 
cule, glaberrim&, internodiis breviores, summa cum lamina brevi. 
Ligula exserta, rotundato-ovata, 1—1,5 mm. longa, membranacea, 
glabra. Lamin® e basi æquilata a vagina parum distincta lineares, 
obtuse (innovationum obtusissimæ), 1—4 em. longs, 2,5—3 mm. 
late, vernatione conduplicatze, adulte plans v. canaliculatz, rigidze, 
patentes, virides, basi sæpe fimbriat®, subtus hinc inde pilis adsper- 
sæ, ceterum glabr&, excepto margine incrassato scaberulo leves, 
costa media tenui I-nervi supra haud albolineata mnnita, nervis pri- 
mariis utrinque 2—3 vix prominulis, secundariis tertianisque paucis 
non prominentibus pereurse. Racemus 4—7 em. longus, erectus, a 
vagina summa remotus, crassiusculus, pallide virens. Rhacheos 
anfraetuosz articuli spieulam sessilem :equantes, lineares, graciles, 
trigoni, extus plani, virides, tricostati, glaberrimi, intus carinati, 
ciliati, disjuneti apice geniculato juxta excavationem dentes 2 latera- 
les exhibentes. Spicule sessiles 4—5 mm. longs, late oblongze, callo 
angustissimo, a reliqua gluma sulco profundo separato. Gluma I"* 
truncato-emarginata, flexuris marginalibus infra apicem utrinque ala 
lata rotundato-truncata auriculatis, in reliqua parte serie muriculo- 
rum obtusorum obsitis, dorso seriebus 6 fovearum profundarum qua- 
dratarum costis rectis 5 divisarum ornata, ceterum glaberrima, hine 
inde lineolis purpureis raris notata, anthesi patentissima; gluma II“ 
I» demtis alis equans, oblonga, acutiuscula, dorso scabro-punctata, 
marginibus involutis hyalinis ciliolata, remote 3-nervis; IP II 
sequans, oblonga, obtusa, ciliolata, enervis ; IV* II^ æquans, oblonga, 
obtusiuscula, glabra. Palea ex Kunthio minuta, tridentula, a me non 
visa. Antheræ 3 mm. long&. Pedicelli articulos sequantes, iis oppositi, 
liberi, articulis simillimi, spieulam tabescentem ad glumam I 1— 
1,5 mm. longam late ovatam obtusam margine late implicatam bifi- 
dam redactam ferentes. 
Birma : in collibus aridis sabulosis ad ripam fluminis Irawaddi 
prope Yenangheun et inter ruinas templorum ad Paghamen (Wall. 
Surre au Prodromus VI. 21 
