298 MONOCOTYLEDONEJE. ROTTBOELLIA , 
summa subspathiformis cum rudimento laminze. Ligula brevis, rotun- 
dato-truneata, membranacea, ciliata. Laminæ e basi :equilata a vagina 
parum distincta lineares, sensim angustatz, ipso apice anguste obtu- 
sæ, rigidule, patentes, plans v. siecando complieate, 7—12 cm. 
longe, 2—4 mm. latæ, virides, utrinque e tubereulis hirsute v. 
basi tantum fimbriatæ, costa media 1-nervi acuta supra albo-lineata 
munitze, nervis primariis utrinque 2—3 prominentibus pereurs&. Spica 
spuria circ. 3 em. longa, crassa, stricta, nodoso-pilosa, ex flavo-viridi 
et subviolascente varia; articuli spieulam sessilem zequantes, crassis- 
simi, elavati, dorso valde convexo striati, disjuncti apice foramine 
regulariter orbieulari corona pilorum erectorum sericeorum dilute 
violascentium eiliato pertusi, ceterum a basi usque ad medium et secus 
margines appresse pilosi. Spiculæ sessiles late ovatæ, 3 mm. longs, 
callo obsoletissimo, pilis sericeis densis suboceultae ; gluma I™ obtusa, 
marginibus laxe inflexis nuda, dorso toto (subconvexo) pilis densis 
appressis sericeis albis ultra apicem prominentibus tecta, intus 7-ner- 
vis; II^ P» subæquans, late ovata, obtusiuscula, chartacea, ecarinata, 
intus 3-nervis, marginibus inflexis subciliata, rhacheos excavationi 
arcte appressa ; IH II?* subzquans, late ovalis, obtusa, hyalina, 
enervis, glabra nisi superne ciliolata, vacua ; IV: tertiá paullo brevior, 
ei simillima nisi valde concava, glabra, cum palea ei :equilonga angus- 
tiori apice obsolete dentata vel sine ulla; antherz 0,7 mm. long ; 
styli stigmata zequantes. Spiculze pedicellatze tabescentes, rufescentes, 
3—4 mm. longi : gluma Į" dimidiato-ovata v. dimidiato-lanceolata 
(cultriformis), ipsa parva sed altero latere ala latissima ultra apicem 
spe in acumen producta munita ; II“ similis sed brevior, reliqua 0. 
Nova Hollandia : in insulis secus litus boreale (Brown); Arnhems 
Land (ex Benth.), Victoria River (Muell.), Port Denison (Shann. ex 
Muell.). — Palea in specimine authentico adest, in Muelleri abest. — 
— Species ad Peltophori subgenus vergens, sed gluma ["* diversa, 
et articuli disjuncti apice non bifoveati. 
B. Pedicelli liberi (n. 15—28). 
a. Spicule glabrz (v. callo tantum breviter barbatze) (n. 15—27). 
a. Spieule biflore, flore inferiore C, dirt in sessilibus P in pedieellatis etiam. C. 
Articuli altero margine ciliati (n. 15, 16). 
15. R. caudata; spiculis sessilibus late ovatis: spieulze termina- 
