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'seeJc uollnqrlsp llours.{1ar'qu1e: elrcq ran stqlur sapadseql Jo ,(uBurlsql soleJlpurqJrlasol JnO 'uorSoJ srqluo peleluecuocs1 snue8 eql So ,to1uo,ru1 e,rtsuaqardtuoo u epr,lo:d ol dressaceuqcreeser 'ecuenbasuoJ 'eJul^old :11rue1s.(seql fo qJnu e sV letluuiog lse^\qlnosaq1 ut rnlo ,{lquqord 'selcads JIer{lnoqB qcrq,r Jo ggg-gg7sasudruoc snus8 oqt lcql elqcqo.rdst 11 sllDJlsnvulalsed\ Jo a3urAordIsJ!usloglso,rqlnosaql u ssouqiusal3edsJoeruacro[uureseq n:rairl2/4/'eJoU uelprsnY aql Jo luouele-qns snouoqlqsolnveql 3o erauei e3ru1puu pezls-unlpoturaqlo .{ueur441

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(266t)096-€[g :(g)8 Ers1,inN Nuyrsixvol.8, No.3 (1992)

Code Exphnation

2 geogr:rphicrange less than 100 km 3 geographicrange more than 100 km poorlyknown C populationrese ed E cndangcrcd vulnerable adequacyof reserveunknown

Of the ten taxa dealt with in this paper,the codeswhich havebeen suggested include 2K (1 tl]xon), zKC-(1),2E (2),2v (1), 3K (2),3KC (1), and 3KC- (2).

All of the speciesand subspeciesdeillt with hereoccur in the SouthwestBotanical Province of WesternAustralia. The four letter codesused in qualifying the geographicoccurrences of the taxa refer to the natunl regions of Australia delineatedby Barlow (1987). These codes iue useful in quantifyingthe distributions ofphntspecies on anAustmlia-wide basis. Because these tllxa i loccur in an area where there is now a vcry complcx mosaic of natural vcgclation and clcarcd agricultural lmd, thereis clearly an urgcnt nccd for:ldditional ficld work in ordcr to cladfy ihc conscn/ationstatus of each taxon.

Taxonomy

The taxadealt with below havebeen franged in alphabeticalorder. Becauseour revisionof Melaleucars still in progrcss,wc havcnol yct finalisedan infra-genericchssification of thcgcnus. Theclassification ofBenthlm (1867) appears to be arlifici:ll, and we have therefore avoided refering spcciesto Bcntham's sections. The taxadealt with here belong to a numberofdistinct species groups wilhin the genus.These species groups all havegeographic distdbutions which are essentially temperateAustralian. They alsoall havccentres o[ spccicsrichncss in thc soulhwest province of WesternAustralia.

1.Melaleuca araucarioides Barlow, sp. nov. (Figure la)

Speciesnova M. blaerilfultaeTurcz. proxima, sed foliis ternatis,stylis brevioribus,fructibus plerumqueminoribus differt.

Holor),prs:Western Austrirlia: Esperance Region: About I km W of Kog's Comeron theCape fuche toHighway road, 34'36'S 118"45'E, Cou,ley & Quin 15l,7.x.1988(CANB 383935). /sotypi: BRI, K, MEL. PERTH.

Shrubto 1.5m high,young shoots lanuginose and the rachis occiuionally tomentose, otherwise glabrous.Leaves tern:rte, semi-rppressed and crowdedin 6 regulff rows alongthe axis; lamira narrowlyelliptic to narowly obovate,slighlly rounded abaxially and flat or channelledadaxially, 1.7-3.5mm long, 0.7- 1.8 mm widc,obtusc and inflcxcd at the apex, slightly reflexed and attcnuate at thebase into a petiole0.3-0.8 mm long;venation obscure; glands obscure or slightlypustulate. Inflorescencea bas:rl or terminrlspike or headof8- 17crowded monads, to l0 mmlong, terminll heads oftenpredominantly male flowers; bracts 0.8-1.3 mm long,0.4-0.8mm wide, persistent to flower 'er!'d urr I = sj'q eprs'(000/ rosl,,14 nlSu :0ZIADdtazaon ltpuDr 'araldUaD 'srp,o'.r, rrudJo suor!od'qnll1\sL[n'q CgtuulfiOT t'tatq)ruuldJo rrorri od rnD]DDrnatqaw'et arn3tJ.

'ssnf zrlrJllrty snuaSuuadsoutu,{3 eq1 Jo osoql ol slooqs.{JcalaqlJo ef,wlquesor IsrJrJ.rednseql 01sepnylc leqlrde cr3rcads et11 (.3olowttX

'elf,l ,{lq?qordsr suoltll^Jesqoplar-l Ino uro4puu pelcutseJ,{llcarqduSoeB oqol srcedduosprtysrce,{ uaourJlsel eql urepDtU ueeqe^tq qJrq,r Jo o,^A1,{luo'suotcelloJ tqSro urorj umoul ,{Itrosr tr sB(gg6I q8rc.] puc s33ug Jo ){Z epoJ) u.,\\oux flJood eq plnoqs sarcedssrql Jo snlcls uorlc^Jesuoceql loqt puauuoceJ ey'( suD$ uouD^JasuoJ

'o^rtf,uqsrp fUulnJruudsr s,ror 9 olur se^Neleql Jo luourc8uurere1n8er,{:e,r eq1 '3uo1 ruur p-g'g puc rctcucrp ur rlrrx g-S € eJu$rnq aW pm Suol rutu 6-g sr el(ts eqt Dllo{llnDlq W 'sln4 ',{xDloll,{qd uI ralleus pua JI,{ls Guoqs elf,ural slr ,{q peqsrn8urlsrpeq,{lrpcer uur lr qJrq,r wo+'onolruaolq q o1pelcler ,{Ieso1csr sapot)DJnDtopJ a()pw sanads pappt uto{ uouJuuslO

'e7 ernBrg 'JeqolJO put,{lnf ur poproJoJuaoq mq 3uua,ro1g spuelpoo,r 1d,{pcne uedo Jo sqlmq ur sllos ,{ur?olro,{pws peurerplle,r ur srnJJO rul 00I ucql ssalJo e3pe1,r,rou:11ue::ncuo cBuu.r crqderSoe8 'eeJc e qlr.r (UdSA) ,{ucqlv Jo A\l\l eqJrU odeJ-dmo8uO eqt ol peuuuoJ tr3op)a puD uottnq!4srO

'sludes lualsrsrodpeJdslno pu? popunor '.peuolJrqlqlr,r 'uIerp '8uot 'ernssatd 'pedcqs-11eq.{proqs .snlnJol ruu f't-Z ruurg'€-g Z pnln u (q passerduroc slrruC ',ro1a,( 'olpunq '8uoy red ZZ r soln^o:8uol nrruS g ot et,&S o1ruueJJ sluoruclJ rod (g)t-g ruru p.1-g g 'ur8nur ,tt1c e Supnlour Suol lxur S-8 I suorucls slrn{ ernltrui ol lualstsrod eql lr snoucrqtueu 'Euol '8uol .aJuecseues ruur8'0-9 0 spdes uu e'I-9 0'essq eql lc pepuno:'pedcqs-dncunrqluDd,{H

o2nalDlaNpauelc.J\lJo arEU'tr la uumo .lC Nuytsiavol.8. No. J (1992)

roadto Add.itionalspecimens exqmined WESTERNAUSTRALIA: c' 6 km S of Jerramungupon Nbny,Cowtey&Quinn146,7.x.|988(CANB)I10miles(16krn)NofCapeRiche,Gurdners.n.' (PERTH);10 krn tZ.x.t'l+ZgenrU;;8 mites(13 km) SEof Orgerup,Newbev1277,l2'vii'1964 S of BoxwoodHilLs, Newbey 4264, 19.vii.l974 (PERTH); KojaneerupEast Road' Pfetffer sn" 18.vii.1969(PERTH); cultiYated at Glenmorgan,Qld, from seedcollected at CapeRiche'Gordon 2358,x.196i (PERTH);Nova Holland ia, Drummond 5ttl coll. 167,no date(Kw' photoin CANB)'

2. Melaleucafissurata Barlow, sp. nov. (Figurelb)

SpeciesnovaM.loterifloraeBenth.proximl,sedfluctibusasprifissuntis'foliiscarinatis retroflexisbrevioribus differt.

Holotypus:: Esperance Region: 29 krn SSWof TadpoleLd(e' c' 65 km ENE of Lakekirrg, 32'32'5 119"54'F.,Newbev5535' l3.viii.1979 (PERTII)'

Low shrubto 1.5m tall,rough-barked, the inflorescence minutely pubescent, otherwise glabrous' Leavesspilallyarranged,spreading;laminabroadlyeuiptic,somewhrtthickenedandkeeled petiole abaxialty,+.0_!.0 mm iong, 1.5-2.0 mm wide, obtuse at lhe apex, broadly tapedng to a stout glands 0.5-0.7mm long, veinless or wilh 1-2faint, fine lated veinson eitherside of thekeel: obscule or prominent,s-attcred. Inflorescence al{rter,l cluster of 1-5(10)flowers on old wood;bracts ovate, c. i mmlong, c. 0.8 mm widc, persistent to anthesis.Hypanthium broadly cup-shaped, 1 2-1'5 mm long,glabrous, smooth orverrucose. Sepals rounded-triangulu, 1.2-1.4 mm long, deciduous before per frui niaturity.Stamens whiic, 5.0-10.0 mm long including a broadclaw c 1 5 mmlong' 10-i2 bundle.Styie c. 5.5mm long;ovules nol seen Fruitcup-shaped' c' 4 mm long'5 5-8'0mm diam' with a rough,fissured, dark bark-like surface; valves enclosed'

Distt'ibutionanr) ecology.Known from Mt Ney to Lake King, N of Espcrancein the SouthWest BolanicalProvince of westernAustnlia with a geographiclange on current knowledge ofc. 260km. g occursin shrubmallee or woodllndon sand or sandy loam usutlly ovel c lay oI clry lorm.Flowerin is predominantlyin July andAugust. (Figure 2b)

Distinctionfromrelatedspecies. M elaleucafissurataismostclosely related to M .lateriflorq drtferit'tE mukedly in its very roughlytextured, fissured, corky fruit andkeeled, Ietroflexed, shortel leaves. M.lateriflorahaserect, sometimes slightly channellcd leaYcs (5)7-20(25) mm long Thetwo species overlapior a smallpart of their',nges but, m{}intain their moryhological distinction, reinforcing the appropriatenessof specificrank for Meloleucolissut ata

Conserya|ionsta|us'wesupportBdggsandLeigh(1988)whocitedthisspeciesasM.sp.2(Mt.Ney- Late King) in assigninga conseryationstaius ofPoorly Known (code3K) asit is only knownfrom 7 collections.This species appears to occurin smi l populationsin apparenttylocalised and specific habitatsmaldng it veryvulnerable to disturbance.Further field workis neededto confirmits status, particularlyto examinewhether or not the Lake King populationis disjunctfiom otherknown populations.

Etymology.The specific epithet is derivedfrom the Latiny'ssrrarus (fissured) and lefels to the sulface textureof the fruit. 'saoads l"rrdtrlaqrJo e8(tElaql Sur.aoqssurrFo.qr qlr^1,rsr.rd./, dsqns,rutut^ N'l aDauodtrcs W'l 'suaq1tu 'llpzlld W'\ N'B Dluotto\dtuod W'I Daolnryb W'a s.rrads lprd{r aqr Jo o8uer eql 8ul^\oqs 'p aullno aqr qrr^1 D au4 dsqnsntnul tat seoads lm'd{rnqlJo aBuu aqt c raoqs arr0no r$ tI1I^\ s,sraratud dsqns tlpsanq laf'r'aDtnts{ N'q salroilDrnDrD n'e slta5 o l rr saruarn.ro sv u^\oqssa rrads eql Jo st|olnqulslc ZernSIC

."/ | | v10r'r- F -rrr FF F d-'1- tr I f-l-ff{ ql-l-j \D +t++--r-TTT \ FFFFIFF .A\ t___A tfi-L L_l-.]-+-l_+++-l]{rfffi--1f,+tr r[rl:- tFll-tt-H-l-t\ trtH rP $\ rrrr) -r-r++T+T|ILI_LLLLLL_P f rltl lltl+]_]+;il tl ru-r tIl:f

s\ s\ c +q +e tu jy J+/

,J'?rlrt 1,1'n:rrrlrrJql ro are8 1r,, uurnb J .l Nuybiavol. 8, No. 3 (1992)

Additionalspecimens examined. WESTERN AUSTRALIA: 33 km WSW of LakeKing township' Wilsoz7000, 10.viii.1968 (CANB, PERTH): 13 km ENE ofScadden on CoxRd,tan derMoezel s n.' 1.vii.1984(PERTH);Ridley Rd,5.4 km from Ridley-Truslove Rd j unction,c.20km NE of Scadden' yander Moezel l20, 17-18.viii.1982(CANB, PERTH); 9.2 km dueSSW of MtR\dlev,Burgman & McNee 1863,8.viii.1983(PERTH); 15 km dueSW of Mt Ney,5 km NE of BurdettRd on Mt Ney Rd,,Burgman & M cNee165'7 ,3.vlli.l983 (CANB,PERTH); 30.75 km N of Mt Beaumont'9.58 km NW of Mt Ney Rd on ClydeRock Rd, Burgmon & Layma, 3061,no date(PERTH).

3. Melaleucahuegelii subsp. pritsicensis Brrlow, subsp nov. (Figures3a-e)

Subspeciesnova M. huegeliiEndl. subsphuegelii ptoxima,sed rhachidibreviore, floribus malvinispaucioribus differt.

Holoryprrs:Westem Ausralia: MurchisonRegion: Tamala Station,26'42'S 1I3"43'E' Beard 6800, 11.x.1973(PERTH). /sory2i: PERTH, CANB.

Spreadingshrub or tree0.9-2 (r ely lo5) m tlll, inflorescenceaxis pubescent at flower bases only andthe bracteoles, hypanthium, anthers and stems with few longhairs, otherwise glabrous. Leaves spirallyarranged: lamira ovateor tdangular,flat to werkly keeled,1.8-4.0 mm long, 1.5-25 mm wide,acute to acuminateattheapex, slightly contmcted andsessileol weakly peltate atthe base;veins several,Sometimes Obscure; glands fine, in rOws.Inflorescence Subbasal On latelal StemS Or telminal on mainaxes, a spikeof 1-12tdads spirally arranged on an axis(5)10-20(30) mm long;triads with the cenfialflower higherthan the laterals,forming a tdangulargroup; bracts broadly triangular' c. 2.5 mm long,c. 2 mm wide,foliose, green to scarious,deciduous; bracteoles narrowly triangular, c. 1.5mm long, (0.2)0.6- 1.2 mm wide, deciduous. Hypanthium cup-shaped, c.2 mm long, c.2 mm wide, ribbecl.Sepals triangular,0.8-1.0 mm long, persistent to maturefruit. Starnensmauvetopink,2-3 mmlong including a claw3-5 mm long and 0.5-0.6 mm wide,9-13 per bundle. Style8-9mmlong; ovulesc. 12per loculus.Fruit globular,c. 3 mm long,3.5-4'0 mm diam.,weakly lobed, smooth to paperyin texture;valves deeply recessed.

Distributionand ecolo8).Restricted to Dirk HartogIsl:rnd and arcund Tamala Station, in thesouth endof SharkBay in SouthWest Botanical Province of WestemAustralia (MRCH). Althoughthis subspecieshas a geographicrange on current knowledge of morethan 100 km, existing records show thatthe distribution may be disjunct. It occuISin heathlandsin sand.Flowering is predominantlyin Septemberand October. (Figure 2c)

Distinctionosasubspecies.In M. huegelii,the ffiangularlalher than linealsrrangementoftheflowers in eachtriad is distinctive,and the species may be moreclosely related to otherspecies which have thispattem, including M. adnataTvcz. ^nd M. eleuterostdchJaF.Mnell.,than with otherspecies havingmore or lesspeltate leaves. The populations from the northern part of therange can bereadily distinguishedin severalcharacters. Strong ecogeographicdivergence is indicated,and two subspecieshave been distinguished accordingly. The newsubspecies diffels consistentlyflom the typicalone in its muchshorter and fewer-flowered inflorescence, and in themauvetopinkrather than whiteorcreamstaminal filaments. Thetypical M. huegelilhas inflorescence axes of (25)40-80(130) mmand usually 50-140 triads in eachflower spike. The sharp distinction between the two subspecies suggeststhat substantialgenetic divergence has occurred. The differencesshown by subsp. pristicezsxarepresumablyadaptive,reflecting alowerlevel ofresourceallocation to seedproduction andperhaps a differentpollinator. rur I = sleq al"rs (99sII ,sroat) 'a 'p rooqs t"Jarq 199911 asnr, roorls lHat"t n'o{ J"at Jo aJ4ns lu,xrq" (gggrr d?roa)) rooqs aleurnualepu.r '(999t1 'q .(sI a8roa), looqs apuruuarapo tuo{ luat Jo erplns Ierxrqp (uoJ }val ur suorleu?^ 8$.roqs gS) 'B .t sqderBorclw uorfcolg Sutuuecs'a-q (99SI I ,3rorr) nI"Id Jo srro'!od s?srrr4rr././ dsqnsr4?3,nl DrnalqaW ern?lJ

ornatotal,{ pa'Jarl0arljlr. aDd.i rp sumo .J.C NuyrsiaVol. 8, No.3 (1992)

Conseryations/a/us. We recommendthat the conselvationstatus of this speicesshould be Poorly Krown (code3K of Briggsand Leigh, 1988).Even though the geographicnnge for thisspecies is morethan 100 km, it seems to occuronly in smallpopulations at each locality in appalentlylocalised andspecific habitats.

Etymology. T\e subspecificepithet is derivedfrom prlsrir (shark)and lefers to its occurrencein the SharkBay area.

Aclditionalspecimens examined. wESTERN AUSTRALIA: MRCH: justS of CapeInscription, Dirk HartogIsland, Georg e 11566,5.ix.1972(CAM,K, MEL);inlandofSandyPoint, DirkHartog Island' seari7Ogl,18.x.l974 (PERTH);between Carrarang and Tamalt,BeartlT0'19,16.x' 1974 (PERTH); 16 miles SW of Tamah,Demarz 5169, 8.ix.1974 (PERTH); 22 km on TamalaRd, Demqrz8998, 2.x.1981(PERTH); 3 milesW of Tamala,Davies s.l.' 13'x.1960(PERTH).

,1.Melaleuca incana subsp. tenella (Bentham) Barlow, comb. et stat.nov. (Figure4a)

MelaleucatenellaBenrham, Fl. Aust.3: 160 (1867 )., Mlrt ole uc o de ndro n tenellum(Bentham) Kuntze, Revis.Gen. Pl.24l (1891).Type: Western Australia: Phillips River, Mcxwell s.n' (holo: K; iso: CANB.MEL 602187,MEL 602188).

Shrub1 m. the inflorescenceaxis tomentose, otherwise glabrous. Leaves temate or displaced ternate,often slightly keeled, reflexed from thepetiole and incurvedtowa.rds thelxis;laminanarrowly ovate,flat to compressed,(3.5)7-9 mm long,0.5-0.9 mm wide, obtuseand often thickened at the apox, attenuateatthebase into apetiole0.5-1mm long;venation obscule oronly themidvein eYident;glands l0- 15on theabaxial suface towards the cenfe of thelamina, uniformly large. Inflorescence a basal or terminalspike or headof 10-35crowded monads, 5-25 mm long,with the termin: headsoflen predominantiyof male flowers;bracts 1.2-2 mm long, 0.9-1.3mm wide, persistentto anthesis. i{ypanthiumcylinrirical with an elongatedbase in hermaphroditeflowers, conical in rnaleflowers, 1.5-2mm long. sepals0.5-0.7 mm long, membranousat the margins,persistent to maturefruit. stamens3.5-6 mm long including a claw0.5- 1 mm long, (3)4-8(10) per bundle with filaments white toyellow.style5-8 mm long; ovules c. 25-32 per loculus. Fruits sho ly betl-shapedwith an elongated baie, sometimescompressed by mutualpressure, 1.8-4 mm long, 3-5 mm diam, with persistent roundedthickened outspread sepals.

Dlstibutionand ecolog1.Found on the coastand in adjacentinlandaleas from n eaI Esperance to Cape Le GrandeNational Park in thesouth-west of Weste Australia(ESPR). Associated with swampy andmoist areas. Flowering is from Augustto October.(Figure 2d)

jzcana Distinctionas a subspecies.There is a disjunctionin thedistribution of M. whichconesponds closelywith theoccurrence of twodistinct morphological forms (Figure2d). Whilstthe more eastelly of thesewas described as a distinctsp ecies, M. tenella,byBentham, the diffelencesappear to be relatively minor consequencesof ecogeographicaldivergence, and thereis some evidenceof introgression(seebelow). The two entitiesare accordingly treated as subspecies. Melaleucaincana subsp.fd,?//a differs from subsp.mcato in theglablous, smaller leaves, aS well asin havingslightly ShorterStamens, more obScure venation and fewer leaf glandS,aS summarized in the description above.M. incanasubsp. incanrl usually has pubescent leaves that are (3.5)7-15(17) mmlongand 1-1.5(3)mm wide and have c.40- 100 small and c. 20larger leafglands, while the stamens range flom (3.5)6-8.5mm long. 'p ruc I = srpq al€rs (g0I ?a'nA E tat^q) raztdJo aotuod'tqaztud n '(EI6n 'a.ed 'arard 'owotso\daod 'W '. '(LgtZ KaqaeN Sstrtnr! :gli ra^ntL 8uua,t1ou)slueld Jo snoruod aSptqlng) 'oqolulpto 'q 'D 'E rueld Jo uorlod W GLU uositof) lu€d Jo suorlod auat dsqts ouDrur onatolaw ! arn8rC

"?,t, omalol2w patta]Jat'qJto al?U sumo Jd NuytsiaVol.8, No. 3 (1992)

Thereare a few collectionsfrom withinthe geographical ran ge of M. incanasubsp. rzcaaa which resembleM. incanastbsp. tenella. However, they all showminor differences from themorphology ofsubsp.tenella in itsdisjunct eastem area, and have nof been included in thissubspecies. Itis possible thatthe divergence ofthe two subspeciesis relativelyold, alrd may have had a differentgeographical basisfrom thatwhich now distinguishesthem. Whilst it maynot berelevant to thish)?othesis, it is notablethat the type loci itiesofM. Urcaroand its subsp./ea€l/d are both outside the known present- day rangesof the two subspeciesas indicated by morerecent collections.

Misappliedname. The nameM. microphyllahas sometimes been misapplied to M. incanastbsp. tenella,which differsfrom thatspecies in its tomentoserachis and ternate leaves.

Conservationstatus. We recommendthe conservafionstafus of this subspeciesshould be Poorly Known (code2KC- of Briggs andLeigh, .1988)on the basisthat thereare herbariumspecimens collectedfrom proclrimed reserves but from populafions ofunknown size. Melaleuca incanasubsp. rerel/ais poorlyknown and appears to havea restrictedgeographic range. This subspecies is known to berepresented by populationswithin a nationalpark and another reserve, though the adequacy of reseruationis unknown.

Additionalspecimens examined- WESTERN AUSTRAIIA: ESPR:0.4 km N of FisheriesRd on CoolinupRd, Reserve27354, Burgman 4407 , x.1984(PERTII); c. 50 ftm E ofEsperance,Kuchel 1674,11.|x.1964 (AD, CANB); 7 milesfrom Esperance atjunction ofRavensthorpe and Norseman rotds,Wrigley s.n.,2.xi.1968 (CBG); 6 milesN of Esperance, leg. ign. s.n.,18.ix.1950 (AD); Buyi BillanakHomestead, c. 12 km SE ofCondirrgupPeak,lackon 1273,21.ix.1968(CANB); 3 km N of Dukeof OrleansBay, llzilsor8108, 30.ix.1968 (CANB, PERTH); N of MountLe GraJ.d,Eichler "yate" 21229,11.ix.1911(CANB,AD);near swamp,3.4miles E ofCapeLe GrandNational rd, N of Lucky Bay,lTest on 9576,3.x.197 4 (CANB,PERTH); C apeLeGnnde, Lulntz 3565,23.vni.1964 (PERTH);between Cape Le GrandeandLucky Bay, Gardner14120,2ix.1962 (CANB, PERTH).

5.Melaleuca ordinifolia Barlow, sp. nov. (Figure 4b)

SpeciesnovaM. cp odocephalae'furcz. proxima, sed foliis decussatisbrevioribus, inflorescentiis monadibuspauciodbus bracteis minoribus, sepalis longioribus, staminibus longioribus pluribus differt.

Holotypus:Western Austnlia: EspemnceRegion: near HamersleyRiver crossing,Ongerup- Ravenslhorperoad, 33'46'S I 19'36'E.Newbey 507 5,28.ix.1977 (CANB 313-531). lsorypi: CANB, PERTH.

Low shrubusually less than I m tall,the young shoots moderately pubescent with crisped hairs and soonglabrescent and the inflorescenceaxis rnd hypanthiumwhite-pubescent, otherwise glabrous. Leavesdecussate, nearly erect at 30', crowded in 4 regularlongitudinal series; lamina narrowly ovate, compressedconcavo-convex, straight or slightlyincurved, (4.0)4.5-5.5(7.0) mm long, 1.0-1.5mm wide,obtuse at theapex, slightly contracted at thebase into a stoutpetiolec. 0.5mm long;veins and glaDdsobscure. Inflorescence a.lrteral clusrerofl-3 flowerson old wood;bracfs triangul,I to ovate, b 7-5mm longutd 1.0mm wide,persislenf to anthcsis.Hypanrhium broadly cyllndric,c.1.5 mm long. Sepalsobtusely tri:xrgular, fhick, erecf, c. i.0 mmlong, deciduous before fruit maturify. Stam ens white, 5.0-5.5mm long including a vcryshortchw c.0.5 mm long, 8- 12 per bundle. Style6.5-7.5mm long: -\

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Figure 5. SEMs showing leaf surfacecharacters. a, c, e, abaxiAlwbole leaf sDrfice. b, d, f, abaxial leaf surfaceshowing stomafa. a,b, M. bncteosa (Barloh,423l\. c,d, M. ponphostona (George 9296). e,f, M bracteosax M. pomphostonla ' (Short.Annrena &Fuller 2696). Scale bars = I cm '8uol 'ate^o rnu 0'Z-9 I flpeorq slJuq :stseqlffi le13cuo 8ut,r,ro:8.{1erer stxe qll.lr sJe/(og 9I-0I Jo '(.{luo 'cll]lJund relsnlr B sJo.roUellu .([cnsn) FuturJolJo poo,\\plo uo llrolcl cJueJs€rouuI spwlS 'xedc 'epI.{\ :elnJsqouoq?ua^ lnq lueuruordsetuqeuos uI3^pI u :alISses aqlli? elnJs uluI (9 €)0 2-Z I 'ele^oqo '8uol rurx (I' g'7,-Z'I'peleo{ lnq lcg serxlleurosIo elu^o .{lpcolq Bulunl :Sulpllords 'snoJqclS 'luecsaJqulS ,{lSuols 'oleuJolsoulueuos pult ol?ssncopse^f,a'I ssLujeqlo uoosesoluourol slooqs8uno,{ puu osolueuol tunrqluedfqpuc sIxDesua.soJouul oql qll^'[ul ul z I ol qnJqs '(Hrlr{d'>I'a 'l,890gZll{g:osr:uoeslou'ddi,'.olotl)969l?ztItd'srsouelDul'leulSelucldldN:2d,t'(E76i06:Z ({neN'utelodSe{seJ'lert'ulse1) ouoqog'l3S N'roS uratr1'utruoqt4;zrt.rdrc^DSUJpDJnrPlaI/l

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'7r 9!€ n,DtDtaW para]Ialt4 to.rud ?, uulno JC Nuyisia vol. 8, No. 3 (1992)

0.8-I .3m m wide,early dcciduous. Hypanthiu m funnel-shapcd,1.4- 1.9 rnm long. Sepals transversely ovate,scarious, glandular, 0.8- 1.0 mm long,persistent to maturefruit. Stamenslight cream,3.6-6.5 mm longincludirg a claw(1.2)1.5-2.5 mm long, 2-4per bundle. Style 5.5-8.2 mm long; ovules 22-27per loculus. Fruit cup-shaped, 2.0-2.4 mm long, 3.6-4.0 mm diam., papery in texture;valves deeplyrccessed below the aperture

Distributionand ecology. Distributed in south-westernWestcm Australia ftom nearOngerup to near Pootenup(BENC,LUWN,ESPR). Occurs in mallceheath ortall shrublandon shallow, poorly draincd sandsover clay. Floweringoccurs in Augustand Septenber. (Figure 29)

Distinctionfromrelotedsper:ies. Melctleuca pritzelii is problblynot closely related to M. ddnJaR.Br. eventhough Domin llrst describedit rs a varictyof the latterspecies. It is quitedistinctive in its combinationofleafandinflorescence characters and its status as adistinctspccies isclearly indicated.

Conservation statu.s. We supportB ggs& Leigh( 1988)who cited Lhis species as M. sp.4 (Ongerup and Pootenup)in assigninga conservationslrtus to this speciesof Endangereri(codc 2E). An extensivesearch irr 1986by B.A.B. in an areanear Ongerup rcvealed only 2 . At othersites visitedby F.C.Q. and K.J.C. in 1988only one or a fewplants were found. As each ofthe populations is apparentlylimited to a few plants,the risk of this speciesdisappearing altogether is very high.

Additionalspecimens examined. WESTERN AUSTRAIIA: BENC: 19km E Katanning,Cole & McDonakl20llH, 1-5.ii.1986(CANB); 19 km E of Katanningon DouglasRd rowardsNyabing, Cowley&,Quinn 108,3.x.1988 (CANB). LUWN: GordonRiver, Tambellup, Newiag s.r.,i.1964 (PERTH):near Poote\up, New,bey 1862, 24.ix.1965 (?ERTH); 11-14 km by roadfrom Kendenup on RedGum PassRd,B arlow 4228,24.x.1.986 (CANB);c. 10.3 km S of StirlingRange Rd junction with RedGumPassRdonRedGumPassRd.,Cowley&Quinn168,9.x.1988(CANB).ESPR:11-l3km E of Ongerup,Barlow 4268,25.x.1986 (CANB); I I km E of Ongerup,Newbey 4781, 5.ix.I97 5 (PERTH);23 km E of Ongcrtp,Nevlxy 4292,l5.viii.1974 (CANB, PERTH);7.5 miles NE of Ongerup,Neu,bey 342, 19.viii.l962 (PERTH); l0 milesEof Ongcrup,Newbey 383,26.viii.1962 (PERTH).

8.Melaleuca ringens Bltrlow, sp. nov. (Figure 6a)

Speciesnova M. vimineaeLindley proxima, sed unguibusstaninum brevioribus, ramulis tomentosis,inflorescertiis sernper terminalibus, foliis plerumque latioribus diffcrt.

11olorlps: Wcstern Australia: Lceuwin Region:Point d'Entrecasteaux, 300 m belowihe lighthouse, 34'50'SI l6'00'E,Cov,le! &. Quinn 183, 10.x.1988 (CANB 383963). ftorypi: AD, BRI, c, K, MEL, PERTH.

Shrubto 3 m high,therachis and young shoots tomertose, the stems sparsely pubescent, otherwise glabrous.Leaves spirally arnnged, densely crowded and spreading; lamirra elliptic, flat,4.5-6.6 mm long,l.[i-3.0 mm wide, obtuse to almost acute at the apex, truncate at the base with a petiole0.9- 1.1 mm long;midvein distinct with othervenation obscuret glands obscure. Inflorescence of 10-60 monadsdensely ananged irto terminalspikcs 9-30 mm long; bracts 1.5-2.5 mm long, 1.0-1.5 mm wide,early deciduous. Hypanthi um cylindrical with an clon gated base, c. 1.8m m long. S cpals 0.8- 1.0 mmlong, entire or nxrrowlymembrlnous af thc margins, persistenl tomrture fruit. Stamens4,8-7.0 mmlong including a claw0.9-1.3 mm long,7-lI perbundle with lilaments cream. Style 8-l I mm

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nndtDphl pareleelq!Jo arnu'?rra uu'no J-C NuyrsiaVol. 8, No.3 (1992)

Figve 6. a, Melaleuca ring?il.r,ponions of ptants (flowering piece,E crl€r 23054; fruiting piece, Co,rleJ & euinn tg3A\. b,c, M. sculponeata. b, podion of (Hzarr"i 800128). c, SEM slmwing abaxial surfaceof leaf (flftlrtl.rt 300128). d, M. rininea slbsp. appr€srd, portions of plant Qr'elrbe' 4864). Scale bars = I cm 'eseqlJoauOpesruSocar uaaq dlSulproJts s^f,q sel.adsqns ee:ql pue'.{qfuour,{lodJo eAuel lunplsaJ luouo8oqt uo{ lno pucls,{1u8a1ur JIqderSoe8 pnpl^lpul qll.4\soll4ua snoouaSotuoq sscl Jo elou.l 'la^e,roH o,trluoqeur,r 3o aBuu: lelol eql urq .r saletsrolccnqc pctSoloqd:ouI JoJ ,{llso8dzoreteq 'slscq lo le^ol pnsnun ue Jo llnsoJaql ,{lqcrunserdst puu tlqderSoa8rtolf, ou sltq uolluu?^ slql Jo qrnJI selcadsslqeuc,r ,{leueJlxe ur sl Dautwt^DJIaPPI/! s2nadsqnsD sD uotnurJst1 'o1tuu.I8 (f7 ern3rg) raqolcgpur:equeldeg ur poproJeJ ueeq scq Suuamolg q1t,tpelelcossc, lqrssod '(9459 'slros.{erclc ur suorssardople.r Jos{oorJ rleu slnJJO uollnqlnslptJunfslp ,{lqrssod t q1t,t 'JNgg) IroU uolele{SJold\l puBlaprng1141'dn:e8u6 reou tuo{ u,^\ou) tSopra puDuolflqutsto

'uu JqltD prqtoot,{1tunlq "utctp tutu 'snlnlol t-Z'8uoturur t-g'pcduqslleq o1 p:rjpuq.{o.{l otls InJC red08-09 scln^o :8uol tutu r-9 'rucoJJ '3uol o[.&S slueuelrJqlrM'olpunqled (gt)tt-S(S) urtu[-2.^\cl. e Sutpnlcut3uo1 urur 9 9-9 'lrnq 'su13ruu '3u01 suaul'lS ornlrurur luclsts:ed sarutl:uros eq11usnoueJqusu ruu 1-9'g'ruln3ueq tsro^\oU spdes Suotulrx g Z-I opur uI IarIuoJ'sJ3,l\ogclrporqduuueq ul escqpelD8uo[3 uc qll4\ 'srsoqtuc 'epr,n '3uol pcupu11,{cunrqluedlH ol tuolsrs:ad urur7-I rurut-g'I stocJq:sJe.a\ou epurlo '3uol 'speeq:o ,{0ueururopordspceq [Eurrurol oql qI/Y\ ueuo utu (0S)07-3 seltdsIBuIuJel pu8 soTds 'elcynlsnd psrq 3uo1qloq olur pe8ul]lJu.{lesuep . 1e,tqc1srspruour 0g-0I Jo otuoJserouul .(1erur 'omf,sqo 'e:ncsqo,{1pnsn spuu13 :luepr,re ura,lplru oql qlr.r .(loJf,r ,{llsnsnuolluua^ :?uol tutr z I-8'0 '3uoy alorledu oluresuq aql l[ elBnuollu:xedD oql ]e paxouur^llqarls pue esnlqo :opr,r ruru g'7-9'g 'passelduoc 'a1r,'Lo urur6-g dpg311sro 1tg d1,'tor.reu:o crldllla.{t,torruu ol Jceulleunuel :posserdde 'paEuu:e.41esuep ,{lolf,repou '(oleurol ,(1s.nr) prlds se,'Lue1snorqelS ,{1pnsn ast,tloqlo 'esolueuol dllrnsn srqJeJpue runrqluud.{q aql'esou8nuel ,{losrcds slooqs Suno{ oql'qAIq ur S't-g I qnlqs

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(rZ ornSr{) ,(clJ Ja^o pucs ,{::3 tq8r; uo qlDoqaelpu Surluoue8er urorJ popJosog '(UdSA) odroqtsu6^cgrueu 'f1uo,{1t1tco1edfl aql uto:3uxotrl tSolota puo uounqt.qstO

"rr DrnatDpw p"ualldlldro aeu l, uulno Jd Nuy.siaVol. 8, No. 3 (1992)

describedhere as subsp, al.rpres.srz, is considered to meritcodirrg as a threalcnedtaxon. Melaleuca vimineasrbsp. appressa differs from the other subspecics by its appressedleaves which are incurved atthe apex, and its distinctly shorter floral parts. The collcction from MtBurdetthas slightly shorter, widerleaves which llre more incurvcd at theapex than the other collections, but is clerly rcferrable to this subspecies.

Conservationstatus. We recommend that fhe conservation status ofthis subspeciesshould be poorlv Known(code 3KC- of Briggsand Leigh, 1988) on rhe basis ofa herbiuiumspecimcn collecreil from Ml.Burdett Nature Rescrve but ftom a populationof unknownsize. Subspeciesappr-essa is known iiom only 4 collectionsard hasa possiblydisjunct distribution over more than 100 km. one populationoccurs within a proclaimedNature Reseryc although adequacy ofreservation is unknown.

Etymology.'fheubspecific epilhct is de vcd from thc Lafin a/?,.e.r.!xs,and refers to theappressed leavesof this taxon.

Additionalspecimens ex.nrincd. wESTERN AUSTRALIA: BENC: c. 2 km sw ofjunctionofEmu FenceRoad and Brennand Road, Ba,./ow & Fox 4133,8.x.1986(CANB). ESPR: c. 1 km pasrsign for Mt BurdettNature Reserve on road to Mt Burdett& Mt wittcnoom(Kcndall's Road), Cowle;y-& Quinn35,28.ix.1988 (CANB); 16 km E of Ongerup,Newbey 4610,25.xi.1974 (pERTH).

Acknowledgements

Theconservation coding for all taxawas determ ined du ngconsurtation with John Briggs. we thankEmile Brunoro, David coltman and Julie Faulkncr fbr assistancewith macrophotography. Scanningelectron microscopy was can ied out in thefacility of thcDivision ofEnto'noiogy, Cstno. Adviceon the latin diagnoses was provided by Ms Jane Bclletnore (ANU). The Directors ofAD, BRI. CANB, MEL, NSW and PERTH kindly madespecimens lvailable for study. Suppo of the AustralianBiologic:ll Resources Study is gratcfullyacknowledged.

References tsarlow, B.A. (I986). A €vised naloralreSionsnr:p forAustratia. B rotlia 8:387_92. Barlow, B.A. (1987.).CoDrribulioDs to a revisiotlof Metdteuca (Myrrlceae): t_3. Brunon;a g:163-77. Barlow,B.A..nd cowlcy, K.J.(1988). conrriburioDs ro a revisioDofM.tat?uc.t(Mynrceae):4 6.Ausrrat.sysi.Bor.Ir95 i26. BriSgs. JD aod Lcieh, J H. (I988). Rarc orThreatcncd Auslralilln PlaDrs. Ausrralian Narionat parks ard Witdlifc SeFice Special Publication No. 14. 0'irje PriDrersSites, Fyshwick, AC?.) Cowley, K.J., Quinn, F.C., Barlow, B.A. turdCraven, L.A. (1990). Conrriburionsio a Revision of M"/dlpl./., (Mynacc:le):7_10. Ausiral.Syst. Bot. 3:165-202. 7

Nuyrsiavol.9, No. 1(1993)

CORRECTION "New Correction to names and combinations for some Melaleuca () species and " subspeciesfrom the south-westof WesternAustralia consideredrare or threatened by F.C. Quinn, K.J.Cowley, B.A. Barlow and K.R. Thiele, 8(3): 333-350 (1992). In the abovepaper, a new subspeciesMelaleuca huegelii subsp.prlstlce,sls Barlow, subsp.nov. 'pitsicensis' was described. In the heading on page 338 the spelling was printed. This was a typographicalenor and the correct spelling is pri,rticenris'.- Editor.

CONSERVATION CODES FOR WESTERN AUSTRALIAN FLORA

R: Declared Rare Flora - Extant Taxa (= ThreatenedFlora = Endangered+ Vu)nerable)

Taxa which have been adequatelysearched fbr, and are deemedto be in the wild either rare, in danger of extinction, or otherwisein need of specialprotection, and have been gazettedas such, following approval by the Minister fbr the Environrnent,after recommendationby the State's EndangeredFlora ConsultativeCommittee.

X: Declared Rare Flora - Presumed Extinct Flora Taxa which havenot beencollected, or otherwiseverified, over the past50 yearsdespite thorough searching,or of which all known wild populationshave beendestroyed more recently! and have beengazetted as suoh,lbllowing approval by theMinisterfor theEnvironment, after recommendation by the State'sEndangered Flora ConsultativeCommittee.

1: Priority One - Poorly Known Taxa Taxa which are known from one or a 1'ew(generally <5) populationswhich areunder threat,either due to small populationsize, or beingon Iandsunder immediate threat, e.g. road verges, urban areas, farmland,active mineral leases,etc., or the plantsare under threat, e.g. from disease,grazing by feral animals,etc. May includetaxawith threatenedpopulations onprotected lands. Such taxa are under 'rare considerationfbr declarationas flora', but are in urgent negdof furthgr suryey.

2: Priority Two - Poorly Known Taxa

Taxa which are known f'rom one or a 1ew (generally<5) populations,at least some of which are believed to be under immediate threat (i.e. not currently endangered). Such taxa are under 'rare considerationfor declarationas tlora', but are in urgent needof further survey.

3: Priority Three. Poorly Known Taxa Taxa which araknown frorn severalpopulations, at leastsome ofwhich arc notbelievedto be under immediatethreat (i.e. not culrently endangered).Such taxa are under considcration for declaration 'mre as flora', but are in need of further survey.

4: Priority Four - Rare Taxa

Taxa which are consideredto have been adequatelysurveyed and which, whilst being rare (in Austlalia), are not curently threatenedby any identifiablelactors. Thesetaxa require monitoring every5- 10 years.