TRIBULOPIS.

Calyx 5-partitus deciduus.  Petala 5.  Stamina decem (nunc 5.) Filamenta quinque, sepalis opposita, basi glandula stipata.  Ovaria 5, monosperma.  Cocci, praeter tubercula 2 v. 4 baseos, laeves.

Herbae annuoe prostratoe; foliis omnibus alternis!

Tribulopis (Solandri.) foliis bi-trijugis, foliolis subovatis inaequilateris, coccis basi quadrituberculatis.

LOC.  In ora orientali intratropica Novae Hollandiae prope Endeavour River, anno 1770.  D.D.  Banks et Solander.

Tribulopis (angustifolia), foliis 3-4 jugis (raro bijugis), foliolis linearibus, tuberculis baseos coccorum abbreviatis.

LOC.  Ad fundum sinus Carpentariae annis 1802 et 3.  R. Brown.

Tribulopis (pentandra), foliis bijugis, foliolis oblongo-lanceolatis pari superiore duplo majore, floribus pentandris, petalis lanceolatis.

LOC.  In insulis juxta fundum sinus Carpentariae anno 1803.  R. Brown.

4.  Crotalaria (Sturtii) tomentosa, foliis simplicibus ovalibus utrinque sericeo-tomentosis, petiolis apice geniculatis, racemis terminalibus multifloris.

LOC.  “On the top of the ridges in pure sand, from S. Lat. 28 degrees to 26 degrees.”  D. Sturt.

DESC.  Frutex 2.3-pedalis (D.  Sturt).  Folia alterna, ovata passim ovalia, obtusa, sesquipollicem longa, utrinque velutina; petiolus teres basi vix crassiore apice curvato.  Racemus terminalis; pedicellis approximatis calycem vix aequantibus apice bibracteatis.  Flores sesquipollicares.  Calyx 5-fidus; laciniis lanceato-linearibus acutis subaequalibus tubum paulo superantibus.  Corolla sordide flava, calyce plus duplo major.  Vexillum magnum, basi simplici nec auriculata, late ovatum, acutum.  Alae vexillo fere dimidio breviores, basi semicordata.  Carina longitudine vexilli, acuminata, basi gibbosa, ibique aperta marginibus tomentosis.  Stamina 10 diadelpha, simplex et novemfidum.  Antherae quinque majores lineares, juxta basin affixae; quinque reliquae ovatae, linearibus triplo breviores, incumbentes.  Ovarium lineare, multi-ovulatum.  Stylus extra medium et praesertim latere interiore barbatum.  Stigma obtusum.  Legumen desideratur.

OBS.  A species very nearly related to C. Sturtii, having flowers of nearly equal size, and of the same colour and proportion of parts, found in 1818, by Mr. Cunningham, on the north-west coast of Australia, and since in Captains Wickham and Stokes’ Voyage of the Beagle; may be distinguished by the following character:—­Crotalaria (Cunninghamii) tomentosa, foliis simplicibus ovali-obovatis utrinque sericeo-tomentosis, petiolis apice curvatis, pedunculis axillaribus unifloris.

5.  Clianthus (Dampieri) herbaceus prostratus sericeovillosissimus, foliolis oppositis (rarissime alternis) oblongis passim lineari-oblongis obovatisve, pedunculis erectis scapiformibus, floribus subumbellatis, calycibus 5-fidis sinubus acutis, ovariis (leguminibusque immaturis) sericeis.