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V'nllatnDlclV'DtolitDl 'dsqnsrsoirdrl3rrV 'ualilndus dsqns puu n11K4dotl:tuitlt dsqns'na-rr.rtllclsqns'nt1oJ4sn8uo 'dsqns 'LunJolzlt/il SurpnlcursrllqDlnw V l V'natnldat y'n4ofissatt .t\1^Dul)lLDl V'Dfilonu'l V 'DMn)aJ dsqnsDlllos'M V'DlDlouo./, dsqnsDltlosul V'oJaJoL([u.tl V'r1l1Dd1ut V's|tDitlul V'Dnu|tuo) 'dsqns 8urpnlcurxr,r Jlfrl V'npJlt1ullil y'otutssnnnT3y'nsolnua^a V'Dllillltlltn) V'tlpultqDuaV 'aDtuoglxu 'cls-q 'V'suDJ a V'olnulw1p V'sual Jllap V'DlloliaunI V'st s'uatlrtr././,fl ns-,1r';, tu oJ olo)uo) V 'Drqais^oun$Dx 'DlnsouJn) 'olnloanDlq 'tnprDlq 'sqna.toq V V V V (lsqnsvMaul.lLnq V 'nu8oa dsqnso11tt1tlxn1o V'nlD(lai^D V'DiDltusun y'ny[tlthtutltD y'stut.tofialntn V'nuto)D V '"'uaxatnoTll -.poq dsqnsnpnl.rolltuDxnV'urlsuw iatt^nLltutllD V r.rJsoPo. r lrxllt I\iu iur^\ollo.JcqJ, '(.u$tw DuDttpq y rcpun {ut,{uou^"-ur poJulcliJoll) l"nw J Dtit)litDl.t\1^ ' nn[U.lDatry puu qtucgrrto,fi s^r' x ru^nlltllLlouo.! y',{c1pur1r'rr.riruo-l,?/, y'qtuoB Dll{tldtx'to V 'llcn4 -luui d Dpol)oq7uttxDV,Jol polcclosoru socl{toloo.1 lut:rr.lr^tu pozrufoJol^lsnol^ord rxpl o,r1loj pcsodrxdorr souttluA\iN sollrur.l.lll.rroq] i-oi-snosrp puu 'a11 anautpoll{t1r1lcos ut 'llhl,rrzry]o 'scr sorlcuu^^\cu o/'$t pr.tl,' s^oroodsqn-- ,nou 11 oods^\.u 97 soqrrcscp jodrd oqJ (666|) IIt-|I€:(€)ZI ,?sttrrN (ouoprosourr1,1:crsour urnSc'1) aDdul poll[q.l uo0ri]:-LrI'ulrlur]snv urolsc/l\ 'urlstl Kytcurud'otcocy 1o sorrodsoar.;-,{1;r; .lo .(urouoxrloq1 91 {uullorsrul,rJrrv U g l lJsJls(lv €869 xrtrirtsnv uratso/\A .IUaJ {.r.^rlrO,{au.g 't0t 3eg pe)jro't luaur:l8truD1,,{put'j pur ruorlc^.rasuoJ.lo luaurlJr)d.C 'u llsDn 8 (aeaplosotul141:aBsoultunAaT) aDaurpoll&lduollras ul (uBllBrlsnV uralsalll,{llrBurlJd 'nltoty '9I 1o saltad,sa^g-,{fJUJo ,{ruouoxel aqI ,{ue1;a:rsrtuzrenay (6661)LLt Ltt (t)Zl r^r{r?N M/)/ri,r Vol. 12, No. I (1999) Methods Most measulementsarc fiom dried herbariumspecimens which arc also the prine sourceof data on habitat,distribution, phcnology, balk ntorphologyand flowcr.colour. Head diameteris measured, asindicatcd in thedescriptions, liom liesh,dricd ol rcconstitutednaterial; it includeslhe stamens. As 'pungcnt' I usethe term it refersto a phyllode apex that is drawn outinto a hard,spine-like tip; 'sharply 'coarsely pungent'rcicrs 10 one that readily pierces the skin whentouched and pungcnt'to one that is lesssharp. My approachto typificaljonis d iscussed elsewhere (MasJin & CowanI 994b).The taxa are aranged in alphabeticalorder. ' Taxonomy Acaciaacanlhastcr Mariin. rtr. tt,,r Frutexdensus, in(ricatus, 0.2-0.5 rn altus. Ramuli spinescsntes, glabri vcl parcestrigulosi, cinereo- albicantcs. Stipulacc. 0.5 nrrn krngae,plerurnque caducae. Phyllodialinearia, 3-8 mm longa, 0.5 | mrn lata,glabra vcl prrcc st|igulosa;costa obscurll; glans obscura, versus medium marginis inserter.lnllorcscontia sinrplcx. PcclunculiI vcl 2 (3) per nodurn,glabri; capitula globosa, floribus I 8-27. Florcs5-mori, riuo 4- nrcri. Scpala libcra, pilosa. Petala glabra vcl subglabra,cncrvia. Lcgumen arcuatumlrd spiraio,t rnonililbrrnc,ad ll5 mtn longum,2 tnm lutum,glabrum. Scminain lcgumine longitudinalia,cllipsoidca,2 urn longa;arillus rcctus, rlbus. 7)/rlJ, 20 km south-casto l Sinolail Soak, c. 63 krn north-cnst tl1'Norseman, Wcstgrn Australia, 9 August 198O,K. Newbey(t986 (iolo. PEIiTH 007349-50;lso. K, PERTH 00734942). Harsh,rigid, donso, intricalr:, dorrrccl rrrub (\.2 0.5 m tall, I 2.5 rnacross, commonly t circuiarin planvicw. Bar&lightgrey.B ranch lats drviding noar tips into a Icw short,straight, tpatcnt, rigid, naked spinesthat aro light brown and sornowhat shiny whon young but agc grcy-white: mlin axisof branchlet tcrctc,not ribbed,glabrous or vcry sparsclyantrorsely strigulose, usually scurly-white below spines. Stipule,sLria]ngula/|, c. 0.5 rnrnlong, b|ittlc wrlh agc,glabrous, dark brown, subpersistent or caducous. Phyllodes lincar, tarrowed at base,3 8 mm long,0.5- I rnrnwidc, l:w 4- 15,absent liom old branches andbranchlets, asccnding to crcct,straighl to shallowlyincurvcd but oornmonlyslightly rccurved at thc abruptlyrounded, cxcentrioally rostcllatc apex, flrL, glabrous or sparsclyantrorsely strigulosc, green,sfightly shiny (lrcsh);nri.tlril> not prominent,slightly Laised (dry), concolorouswith larnina; LqteraL erNesabsent or low and obscure;marginaL nencs obscute;prlrinrJ teretc,0.2-0.3 rnm long, yellowish.Clard insignificant,on uppermargin near or abovcmiddlc oI phyllode,commonly absent, circular, c. 0.1 mm diam. Inflorescencesimple, peduncles I or 2 (3) per node,6- l I mm long, slcnder, glabrous;a new shoot sometimcsinitiatcd in axil ol'pcduncle at anthesis;basal bract solitary, persistent,c. I mm long,t wideiyovate, concave, sessile, dark brown, glabrous but margins timbriolate (hairsoften sparse). f/ead.r globular, bright mid golden,3 3.5mmdiam.,l8-2'7 -tlowered, bracteoLes spathulate,c. 0.8mm long;clawlincar; lamina dark brown. Flowers mostly 5-merous, a l'ew4-merous in someheadsi sepals2/5 l/2lengthol petals,liee,nrrrowly spathulate, sparsely to moderatelyhairy, brown, petaLsI.3-l 5 mm long, glabrousor subglabrous,nerveless. Pod,r strongly arcuatcto rather looselyand sornewhat irregularly coiled, t monililonn,to 35 mn long,2 mm wide,thinly coriaceous, finely rugoseover seeds,glabrous, mid brown; marginalnerves not thickened,yellow. Seeds '\>I:otJalDJpa '.(t:opaprDt 'ues^ec alq?qoJd)lJaUanW tl:a,rr1 ,(rrrnyq us ra anr! 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