ONYCHOSEPALUM., RESTIACEÆ (AUCTORE MASTERS). 245 
in Ann. et Mag. Nat. Hist. 6 (1841), p. 51 ; Benth. Fl. Austral. 7, ined. 
L. desertus F. Muell. Fragm. 8, p. 93. 
2% Rhizoma repens crassitie pennæ olorinæ squamis villosis fuscis 
dense vestitum. Culmi 70-80 cent. alti erecti crassitie pennæ galli- 
naceæ, supra medium dichotome ramosi, ramique erecti tenuissime 
sulcato-striati glabri cinereo-glauci. Vaginæ culmeæ 1-2 cent. arcte 
convolutæ fuscie, superne angustatie. subulato-acuminatæ. Inflores- 
centia feminea interrupte paniculatim-cymosa 7-9 cent. long. plurista- 
chya. Spiculæ fasciculatæ singulæ ovoidet 2-3 mill. long. Bracteæ 
castaneæ coriaceæ oblongæ acuminato-aristatæ quam flores vix bre- 
viores. Perianthii segmenta externa 3 lanceolata aristulata cymbea 
pallide ferruginea. Segmenta interna dimidio minora acutata hyalina. 
Ovarium ovoideum; styli 2 longiuseuli. Fructus (teste cl. Mueller) satis 
minuta trigono-ovatus. 
In Australia boreali tropica, ad sinum Carpentaria (R. Br.) ad flu- 
men Röper (F. Muell.) prope originem fluminis Limmen's Bight 
River in locis passim inundatis. In Nov. Holl. (R. Brown et 9). 
SPECIES EXCLUSA. 
L. distachyus R. Dr. — Thamnochortus umbellatus Kunth. 
L. glaueus Nees. — Lepyrodia glauca F. Muell. 
L. imbricatus R. Br. — Thamnochortus imbricatus Mast. 
imbrientus Sicher. — Restio bifidus Thunb. 
L. squarrosus Nees. — Hypolæna lateriflora Benth. 
X. ONYCHOSEPALUM Steud. Synops. Glumac. 2, p. S VEU Benth. 
Fl. Austral. 1 ined.; et tab. nostra TI, fig. 1-4, et V, fig. 10 
Spiculæ utriusque sexus terminales solitarii? conformes. Bracteæ 
laxiuscule imbricatæ. Perianthii segmenta 3 lineari-spatulata mem- 
branacea. In flore masculo filamenta 3 libera. Antheræ 1-loeulares. 
Pistillodium nullum. In flore femineo ovarium stipitatum 1-loculare, 
1l-stylum. Ovulum 4 pendulum. Fructus ignotus. 
Culmi cæspitosi simplices nisi ad basin vaginis destituti. 
©. laxiflorum (Steud. l. c.; F. Muell. Fragment. 9, p. 51; 
Benth. in Fl. Austral. 7, iued.). 
©? x Culmi dense cæspitosi erecti 6-8 poll. alt. filiformes rigidi 
teretes obsolete tuberculati. Vaginæ culmeæ nulli. Spiculæ 12-14 mill. 
long. ovoideæ plurifloræ basi spathà bracteiformi suffultæ. Bracteæ 
pute imbricatæ oblongæ obtusæ castaneæ superne flavidæ et 
