COLLECTED BY CAPTAIN STURT. 337 



tendentia abbreviata, vagina aperta ipsum folium superante; 

 floralia subspathiformia sed foliacea nee membranacea. Pas- 

 ciculi pauciflori: spiculse cum pedunculo brevissimo ar- 

 ticulatse et solubiles, et subtensse bractea nervosa carinata 

 ejusdem circiter longitudinis. Gluma bivalvis bifiora, ner- 

 vosa, acuta, mutica ; valvulse subsequales septemnervise ; 

 exterioris nervis tribus axin occupantibus sed distinctis 

 reliquis per -paria a marginibus et axilibus subsequidistanti- 

 bus; interioris nervis sequidistantibus, externis margini 

 approximatis. Parian thium inferius (exterius), bivalve 

 neutrum ; valvula exterior septemnervis, exteriori glumse 

 simUis textura forma et longitudine ; valvula interior 

 (superior) angustior pauloque brevior, dinervis^ nervis alatis 

 marginibus veris latis induplicatis. Perianthium superius 

 hermaphroditum, paulo brevius, pergamineo-membrana-. 

 ceum, nervis dilute viridibus; valvula exterior quinque- 

 nervis, acuta, concava ; interior ejusdem fere longitudinis, 

 dinervis. Stamina 3, filamentis linearibus. Ovarium ob- 

 longum, imberbe. Styli duo. Stigmata plumosa, pallida ? 

 Obs. Neurachne paradoxa, founded on a single specimen, 

 imperfect [in its leaves and stem, but sufficiently complete 

 in its parts of fructification, differs materially in habit from 

 the original species, N. alopecuroidea, as well as from N. 

 Mitchelliana of Nees, vi^hile these tvi^o species differ widely 

 from each other in several important points of structure. 



In undertaking to give some account of the more re- [9o 

 markable plants of Captain Sturt's collection, it was my 

 intention to have entered in some detail into the general 

 character of the vegetation of the interior of Australia, 

 south of the Tropic. 



I am now obhged to relinquish my original intention, so 

 far as relates to detail, but shall still offer a few general 

 remarks on the subject. 



These remarks will probably be better understood if I 

 refer, in the first place, to some observations published in 

 1814, in the Botanical Appendix to Captain Plinders's 

 Voyage.^ 



' Ante, p. 61. 



22 



