292 MONOCOTYLEDONEJE. ROTTBOELLIA . 
lanceolato-elliptica, membranacea, acutiuseula, vix carinata, tenuiter 
3-nervis; II: II?» zequans, elliptica, subenervis, cum palea '/, bre- 
viori angustiori; floreque g, antheris 1 mm. longis ; gluma IV* quam 
II: '/, brevior, oblonga, obtusa, enervis, cum palea adhuc breviori 
bilobula enervi, sine flore. Spiculæ pedicellatzte 3,5—4 mm. longs, 
oblonga; gluma I™ lanceolata, altero margine ala acuta ultra apicem 
producta munita, 5-nervis; II^ infra apicem brevissime alulata, 3-ner- 
vis; reliqua ut in spicula sessili, sed gluma IIl* vacua, IV* cum 
Žore d. 
India orient.: Maisur et Carnatic (Hook. f. et Thoms. sub Peltoph. 
Myuri var.). 
9, R. divergens; spiculæ sessilis gluma I™ ovata in muerones 2 
divergentes breves abeunte, carinis late hyalino-alatis, dorso cancel- 
lato-foveolata. 
Annua. Culmi circ. 10 em. alti, ascendentes, graciles, 2—3-nodes, 
teretes, glabri, superne breviter nudi, ex omnibus nodis ramos flori- 
feros plerumque binos elongatos inæquales simplices edentes. Vagi- 
næ compressa, carinatæ, laxæ, pilis adspersæ, internodiis breviores, 
summa cum lamina evoluta. Ligula brevis, rotundata, membranacea. 
Laminæ e basi æquilata in vaginam decurrente lineares, sensim acu- 
tatæ, 3—4 cm. longæ, 1—1,5 mm. latæ, planæ, flaccidulæ, virides, 
subtus marginibusque pilosæ, supra læves, costa media tenui l-nervi 
supra non albolineata, nervisque lateralibus paucis non prominenti- 
bus percursæ. Racemi circ. 1,5 em. longi, erecti, graciles, densiflori, 
 Stricti, glabri, pallidi; eorum internodia spicula sessili '/, breviora, 
crassiuscula, lineari-subelavata, extus obtuse carinata, apice ad mar- 
gines cavitatum exteriores rigide ciliata. Spicule sessiles 2,5—3 mm. 
long, callo angustissimo, sine alis ovatze, cum alis late oblongze, gla- 
br; gluma I™ bifida, mueronibus0,5—1 mm. longis scabris terminata, 
marginibus angustissime inflexa, flexuris (carinis) in '/, superiore late 
hyalino-alatis, alis sursum -dilatatis in mucrones ascendentes demum 
truncatis, glabris, dorso plano seriebus 7 foveolarum linearium notata, 
inter quas 7 costs longitudinales rugis transversalibus crebris de- 
cussatz prominent; gluma II“ primä '/, brevior, ovata, acuta, mem- 
branacea, elevato-carinata, 3-nervis; III* primä '/, brevior, late ovata, 
acutiuscula, enervis, vacua; IV‘ et palea II» :zequantes, ovali- . 
oblongz, obtuss, enerves. Spieule pedicellatze sessiles æquantes v. 
subsuperantes, lanceolatz? : gluma I™ herbaceo-chartacea, altero 
margine latiuscule inflexa, flexura ab '/, inferiore ala hyalina in den- 
x 
L Ae 
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