328 PLANTS OF CENTRAL AUSTRALIA
��PETALOSTYLIS.
Csesalpineariun genus, Labichese proxirnum.
Char. Gen. — Calyx 5-phyllas, sequalis. Petala 5 subse- qualia, patentia. Stamina : Fllamenta quinque sepalis op- posita, quorum tria antlienfera, antlieris basifixis lineari- bus, duo reliqua castrata. Ovarium oligospermuiu. Sfi/lus maximus, petaloideus, trilobus, lobo medio longiore axi in- crassata desinente in stifjma obtusum simplex !
Prutex glahei\ erecfus. Folia alferna, pimiata cum im- pari.foliolis alternis, Racemi axillares, paucifiori. Flores flavi.
80] 13. Petalostylis Lahicheoides.
Log. *' In the bed of a creek along with Sturtia." D. Sturt.
Obs. Eadem omnino species exstat inter plantas in Insulis Archipelagi Dampieri jnxta oram septentrio-occi- dentalem Novae Hollandise in itinere navis Beagle dictge lectas.
Desc. Frutex facie fere Cassise et Labichese. Folia alterna, cum imparl pinnata, foliolis alternis brevissime petiolatis oblongo-lanceolatis cum mucronulo terminali paulo majore. Stipulse parvae caducse. Racemi pauciflori, axillares, folio breviores. Alabastrum ovali-oblongum acutinsculum. Calyx viridis, sepalis subsequalibus oblongis acutis, sestivatione imbricatis. Petala quinque subsequalia, oblonga, flava, astiva- tione imbricata, sepahs sesquilongiora. Stamina 3 antherifera sequalia, iilamentis abbreviatis, antheris acutis bilocularibus, loculis sulco longitudinali insculptis ; 2 reliqua rudimenta parva subfiliformia. Ovarium sessile, lineare, 3-4-spermum. Stylus lobo medio triplo longiore, oblongo-lanceolato, lobis lateralibus auric uliformibus semiovatis obtusis. Stigma imberbe. .
Obs. The structure of the style, which forms the only important character of this genus, so far as the specimens enable me to judge, is so remarkable and peculiar, as to
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