205 



pedaleg, infra mediutu latiuscule vagiuati. Ungues eepalorum 

 interiorum lamiuam longitudine Eequautes, basi tantum connati. 

 AntherjB integrae, liueam excedentes. Stigmata indivisa. Capsula 

 obcordato-ovata, fere 3'" longa. Placentas ad summitatem cavi- 

 tatis extendcntcs. Semina numerosa^ fulva, opaca^ ellipsoidea^ ^" 

 lonira, haud sulcata. 



Xyris paiicijiora (Willd, Plijtograpliia> p. 2, tab. 1 ; E. Br. 

 Pr. 256 ; Mart. in "Wall, PL Asiat. Rarior. iii. 29 ; Knutli. Enum. 

 iii. 17 ; Benth. Flor, Plongk. p, 379 ; X. oligantlia, Steud. Glum. 

 ii. 288 ; X- oryzetorum, Miq. in Steud. Glum. 1. c.) ad flumen 

 Victoria3 crescit. Haic species fortasse X. paludosam (R. Br. Pr. 

 256) includit. Semina prorsus matura spadicea, splendentia, ni- 

 > grescentia, ellipsoidea, promineutcr striata, apiculata. Planta jam 



e radiee annua tenui-iibrosa florescit, non duratione diuturna 

 apparet. ITaud parum ad X. ludicam (L. Fl, Zeyl. 14), X. scIub- 

 noidem (Mart, in Wall. Plant. Asiat. Ear. iii. 30) et X, Caroli- 

 nianam (Walt. Flor, Carolin. 69) vergit. . 



Xyris elongata (Eudge in Transact. Linn. Soc, x. 289, tab, xv. 

 fig. 1, 1809; Eoem. et Schult. Sjst. Vcg. i. 351 ; X. Walkeri, 

 Wight in Kuuth. Enum. iii. 19) plures ppecies prodromi Brownii 

 hene conducit^ et a portu Jacksoni ad Aruhemiam borealem et 

 flumen Glenelgi extendit. Bractea^ involucrantes majusculie. Spica 

 interdum cylindrica et ad longitudinem bipollicarem exlensa, 

 interdum ad capitulnm ovato-globosum vix semipollicare abbre- 

 viata. Variant quoque admodum longitudo et crassities foliorum. 

 Eadix perenuans. Capsula usque 2'" longa, fere plano-convexa, 

 satis membranea. Semina numerosissima, perminuta, paine ovata. 

 Placenta; apice valvarum tenns extendentes. 



Xerotide^. 

 JCerotes Endlicheri, 



X. tenuif olia, Endl. iu Lehm. Plant- Preiss. ii. p. 49 non E. Brcvvn ; X. odora, 



Endl. 1. c. p. 50. 



/ 



/ 



/< 



ovalibus aeqnialtis, capsula stylo rostrata lcevi haud depressa. 



In collibus saxosis AustraliiB occldentalls extrutropicse ; c. g. 

 Lake Muir (Muir), Hay-River (Warburton), Warreu-River (Wal- 

 cott), Blackwood-Iiiver (McHard), Swan-River (Preiss), Port 

 Gregory (Oldfiekl). 



Planta pancipollicaris u.sque uluaris. Folia ^-1''' lata, passim 

 plana^ rarius semiteretia^ semper apice edentula, quod rigiditatcm 

 attinet eximie variantia. Caules floriferi teuui-filiformes vel non- 

 uunquam crassiusculi et compressi. Panlculae rarai durn evoluti 

 semper verticillati v. saltem oppositi. Bracteae breves haud ri- 



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