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Eunurlr'{'llleg Ud, ropu€-I S N Nuytsia Vol. 3 (2) 1980

MINURIA DC. MinuiaDc.,Ptod. 5: 298(1836); Steudel, Nom. Bot. ed. 2: 150( 1840-1);Bentham, Fl. Austral. 3 : 497500 (1867);Bentham in Beniham& Hooker,Cen. PI. 2: 267 (.18'73):F. Mueller,Syst. Census Austral. Pl. 77-8(1882); Baillon, Hist. Pl. 8: 136(1886); Duland, lndex Cen. Phan. ]95 (1888); Hoffman in Engl.& Prantl,Nat. Pflanzenfan.4 (5): 159-60(1889); F. Mueller,Sec. Syst. Census Austral. Pl. 131(1889); Baillon,Dict. Bot. 362 (1891); Dalla Torre & Harms,Gen. Siph.: 532 (1900-7); Lem6e, Dict. cen. Phan. 4: 490-1 1932). Lectotype(hete designated)iM. leptophtla DC. TherogercDC., Prod. 5: 283(1836); Steudel, Nom. Bot. ed. 2,679 (1840-1); Kuntze, Rev. cen.368 9 r1891). Lector'pe (here designated):T, denticulatumDC, Parar,pe: T. integeftimumDC. ElachothamnosDC, Prod.5 : 398(1836); Steudel, Nom. Bot. ed.2, 544(1810 1). Type: E. cunninghamiDC. MinuriellaTate, Trans. Roy. Soc.S. Aushal.23: 288 9 (1899);Dalla Torre & Harms,Geo. Siph. 636 (790!'7).-Minutia sect.Minrlriella (Tate) Lem6e, Dict. Gen.Phan. 4t 491(1932). Type:Minuriella annuaTate ". After describing the monotypic genus Minuriella, Tate (1.c., 1899) noted . . the speciestypifles a new section or sub-genus,for which I propose the name Minuriella . . .". Thus there seems to have been considerable doubt in Tate's mind whether to treat the new entity as a genus, or as a section or sub-genus of . In the event he settled for the first of these alternatives and it would seem most expedient to treat the quotation above as a mere slip of the pen. Lem6e (1932, l.c.) later validated the name Minuria sect. Minuriell.t. In our opinion little purpose would be served by recognizing sections it Minuria-

The name Minuria rs derived from the Greek minyros nteaning small, thin and weak, probably alluding to the leayes of the type species,M. leptophylla.

Annual or perennial herbs or dwarf shrubs, erect or prostrate. Steizs herbaceous, suffrutescent or woody, glabrous or variously pubescent. Leayes allernate, sometimes clustered, sessile, linear, lanceolate, ovate, oboyate or spathulate, sometimes falcate, glabrous or variously pubescent, sometimes with small floral leaves or with leaves over- topping the capitula; margin entire, undulating, finely serrulate or conspicuously dentate; apex obtuse, acute or acuminate, Capitulo pedunculate, solitary or rarely clustered, terminal, heterochromous. Peduncles + differentiated from main stems or branchlets, glabrous or variously pubescent. Inyolutal bracts in 3 4 rows, linear to lanceolate, uniform, grading in size or dimorphic, glabrous or variously pubescent,with 0 2 prominent ribs; margin + membranous,entire or denticulate;apex acute to acuminate,entire or fimbriate, + tinged pink. Receptaclenaked, flat to noticeably convex. Rq)florets mariy in 2 or more rows, estaminate; ligules white, violet, mauve, bh.re,lilac, lavender to pink, often quite variable in one species, t conspicuous; floral tube glabrous; stigma lobes subulate to lanceolate, with conspicuous papillose stigmatic lines, achene fertile, brown, reddish-brown, red, orange or yellow, + prominently dbbed, glabrous or variously pubes- cent, + flattened, lanceolate, elliptical to obovate in outline; pappus of several to many free, barbellate bristles or of capillary bristles :l united in clu.mps. Disc florets staminate, yellow, pentamerous, rarely tetramerousj floral tube glabrous or variously pubescent with multicellular, biseriate hairs; anther basesobtuse; stigma lobes subulate or narrowly lanceolate, pubescent on dorsal surfaces to below point of bifurcation; achene sterile, glabrous or pubescent with notched twin-hairs, translucent or opaque, white, straw- coloured or reddish-brown, flattened, linearJanceolate or elliptical in outline; pappus very variable, of diniorphic hairs, with both short and long f free, barbellate bristles (shorter ones sometimes reduced to scales)capillary or branching towards apices, or else pappus a cup of connate scalessurmounted by I 8 bristles. A genus of nine speciescon- fined to . .(.EI:9Z9L6 OV) ,,668t,,s€ 006ti eunf-qsibIN'L}l lpof :adlptDd (,^ASN'.IEm'SNVJ .Idt{ ,90012086 .3nV,LOt OV'9rS0E9t6(Iv : otceJosr:Z|E9Z9L6 CV:oliet) 668I qroY ',,suos?osSuJJe,roU o,' 1 JoJuolla^Jesqo Jopun solceds eql p€q ssq oq,r qao) x"J tI '"uu€C I fq peJo^ocsp ' erl"Jlsnv qlnos JBeuunll lsrngpu,(1lunohtr ',, :adtrp\taT '(669I) .ros .suErJ 'eteJl 882 :tZ ErtE4snVqlnos ,{oU DnuuDu aunutry '(196I) 'Z'pA 6S8 ellsrlsnv qrnos 'lc ')tr"lg 'ht '{c€lg 'I I :(6261) 68s ell?rlsnv qrnos IJ x0 313J (013J) anuuB alrnu!tr i

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Elrnul4 Jo sarradsoq1 o1 da11 ',fileq 'S tzz eunurl^i d d, repu€'I N Nuytsiavol. 3 (2) 1980

Annual herb 6 12 cm high. S/"r1s herbaceous, pale green to brown, glabrous' Leaves alternate, sessile,linear, glabrous, to 3'3 cm long, c. I mm wide; margin entire; aDex acute-obtuse with uppermost leaves overtopping capitrfla Cqpitulq solitary, term- irial- oedunculate. conical. io 8 mm in diameter' Pedunclespale green to brown, to 6 mm lone. 0 5 1 0 mm vide, alabrous, Illrolucral bracts in 3 rows, pale green to yellow, lanciolate.glabrous. S-4 frm long.c. I mm $ide. \ ith 2 prominenlrib) on eachbract: marsin membranous; apex lcul6, fimbriate Raccptacleslightl) con\e^. Ray forcts murrlvin teuerulrows, esiaminate;ligule white, l 7-2'5 mm long, c. 0 2 mm wide; floral tube-I 8-2 3 mm long; stigmalobes lanceolate, 0 3-0 8 mm long; achenefertile, brown, 1.5 2 5 mm long, 0:3-{i6 mm wide, moderately- pubescent with adpressed notched twin-hairs; pappJs of many uniformly barbellate brjstles 2 3 -mm long. Disc forets staminate; tioial tut" 2 0-i 8 rnm long. glabrous; anthers c..1 mm long,-c' 0 2.mm wide, with acute sterile apical appendages;stigma lobes-subulate,0 7-1-l-mm long, c. 0 i mm wide; achenest6rile, lindar in outline,glabrous, 2 3 mm long, c' 0 3 m^mwide; oaoous of dimorohic bristles with short barbellate bristles free oI united into fimbdate ica-tis, c. t mm iong, and 3-5 bristles 2 6-2 8 mm long with barbs longer and denser ar ups. Flottering Period: August to October. Hqbitat: Lo'N shrubland on calcareous soils. Distribution: See Fig. l.

Figufe 1. Distributian af M. qnnuabased on herbarium material. 7

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'snue8 eq1.Io srequrou lorllo uro{ lr soqsrn8url -srp ,{lrp?oJ qcrq,t sercadssrql Jo trq€q pnuu? oql o1 sre;er leqlrde cgrcads eql ;a&lrp .,qu?rrrursssorastt (p!to!!pa,,, ,,llifo/)"'"5Iiitii,;Xf'.';';ltt'J"3J,t"{,:t#Ji,iii:i"ii (6681) ot?I q3noqtlv snue8 eq] ur enbrun ere srelce.regc o,r1 ropel eq1 elnlrdec 'sruels eql douo^o qrrq,r sa^eel slr pu? lrqeq I€nuu? slr snorqzy8 slr,{q peqsrn8urlsrp eq u"c lr gcrq,r Iuo{ uauplDi'W ol ecuelquesoJ snor^qo u" srpeg DnuaD'1,\l :sa!j!ull/ '(,^AS$ 'yJaS'r9 tapuoj'llrH ua)iorg rul ,peolsouoq Il.6l 'CV) Jo,4[NN'1099 S6 ,uoltels ..ltel slle8noo.W,,Jo EN url t : SA.IV,/r\HJnOS nAAN:(ANVJ 896I'BnV uouts ..ot.^dood -urnw,, ot peor uo leer] fepunl l Jo AN (rul tZ) selltu9I :yI.MJSny HIAOS:suauoa.ls patralas ',fi.Ieq €unurl^l U T, repu€'I S N 226 Nuytsia Vol. 3 (2) 1980

Figure 2. Distributions of (O) M. macrcceptutla,(a) M. chippendaleiand (+) M. gardneri based oo herbarium material.

3. Minuria cunninghamii(DC.) Benth.,Fl. Austral. 3:498-9 (1767). F. Mueller, Key Vict. Pl. 2: fig. 79 (1885);J. M. Black, Fl. S. Austral, Ed. 2,857 (1957);Davis, Austral. J. Bot. 12: 152 6 (1964);Turner, Amer. J. Bot. 57: 383(1970). Elachothamnoscunninghami[ DC., Prod. 5: 398 (1836); Steudei,Nom. Bot. Ed. 2, 544 (1840 1); F. Mueiler,PI. Indig. Col. Victoriafig.34 (18645). Seneciootho naeoidesA. Cunn. ex DC.,Prod.5:398 (1836) nom. inval. pro syn.-Therogercn cunninghamii(DC.) Kuntze, Rev. Cen.:368 9 (1891). ". Tltpe: .. in humidis depressis ad flumen Lachlan Nov.-Holland. julio flor, legit cl. All. Cunningham"(holo:C-DC: iso: K. BM1.

Eutrbiopsis intricata F. Muell., Linnaea 25t 394 396 (1852).-Therogeron tenuifolius Sonder, Lir]l:laea 25: 46'l (1R52)' "In 7l,pe. clivulis petncis umbrosis ad Cudnaka Oct. 1851." F- Mueller (holo: MEL 70299; iso: MEL 70298t.

Oledtia glabra C. T. White, Proc. Roy. Soc. Queensland55: 68 (1944). Type. Dynevor Downs, Wanego District, Queenslaod,C. Z. White 11829,2/4/1941(holo: BRI; iso: NSW),

Perennial spreading herb to I m high, grading from a fairly delicate to a robust . ,Slenrs woody, brown, sparsely pubescent with unicellular hatrs. Lesyes alternate, sessile, sometimesclustered along main stem,lanceolate, glabrous, to 4 0 cm long, 1 3 mm wide; 'leueletlJ urnusqreq lo pdsgq liaoq8utnn|J,1/ Jo uorlnqulsro € ernBrd

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'^Jl€g'U €IrnuII I T, Jopue-I S N Nuytsia Vol. 3 (2) 1980

SelectedSDecimens: : Bango Creek (14 km) w of Windidda, Speck 1n3,Feb' ldltatD:aANB. MFL. NS\\, Pl-RtH); \ullarbor Plain.80km s of Ra\ linna.wihon 1674.sept i968,AD. tal . NSu. PFRTH,; sOUiH AUSfRALIA: near Porl Aueusta-Phillir CBC 022660. sent- i962 rBRI. CBG t: 6erweenHawknest and Hallmark Dams, 16 20 km N of OverlandComer, ^Slmon jeie feir. c.qNsrr : Benetook, c. 25 km sw ol Mild|la, Patton MEL 10324' March 1949 ift4Er j; NnW SOUrll WALES: Fowlers G ap,Jacobs 2173, Oct 1975(AL \!ry); Cqroonboon,b-etween Wangiiella an

4. Minuria ilenticulata (DC.) Benth., Fl. Austral. 3: 499 (1867)' J. M. Black,Fl. S. Austnlia Ed.2, 858(1957); Davis, Proc. Linn. Soc.New SouthWales 88: 35 40 r1963). Therosercnde ticulatumDC., Prod.5: 283(1836) Minuriacandollei vat. de ticulata(DC.) Maiden & Betche,Census New SouthWales Pl. 195(1916). "Molle's 71per Plains, Lachlan River, July 1817", Cunningham 39 (holo: G-DC)' Mitlutiactulilollei F. Muell.,Fragm. 9: t19 (1875)pro pte.,nom illeg; F. Mueller,Flagm. 10i56 rl876l:F.Mueller.S\sr.CensusAuslrtl.Pl.78(1882);FMueller,Kel vicl.Pl l:297f1887 8):F.Mueller. SeconciSvsr. Cen-u-'Au.rral. Pl. lll (188r));Moore & BeLche.Handb. FI. \ew Soulhwale\ 265 al8cl): oiion. pi. tlew souttrwales 175 (1906).-Eli:etun c( alolleiBenth, Fl. Austrai.3:499(1867)nom. inval. pro syn. Mueller (1875 1.c.) published the name M. candollei indicating that it was composed of M. integerrima and M. denticulals. Later, Mueller (1876 l.c.) published a description of M. c(tn"(lollei,again noting tbat it comprised the two speciesabove, and also pointing out Bentham'sirr6r (1867l.i.) in sayingthat he (Mueller)proposed to join the two species tndet Erigeron candiltei. By Art. 63 of the International Code of Botanical Nomen- clature the superfluous name M. candollei is untenable, for if it were acreptable to onite the two speciis one of the existing epithets would have to be adopted' However, the two speciesare easily separable. The first use of the epithet denticulata as a varietal name appears to have been by Maiden & Betche (1916), tnd although they attribute it to Mueller there is no justification for this. Perennial, spreading herb to c. 30 cm high. ,t/e/fls suffrutescent,only slightly woody in older branches, grey-green, moderately pubescent with multicellular, stellate hairs. Leaves altetnate, obovate-spathulate, to 4'5 cm long, 1 5 mm wide, almost glabrous or moderately covered with unicellular hairs; margin denticulate; apex often c.onspicu- ously denticuiate, otherwise acute-obtuse. C.tPitula solitary, discoid, to 15 rnm in diameter, Ded;nculate with floral leaves. Involucral bracts rn 4 rows, yellow, lanceolate, 2-3 mm iong, c. 1 mm wide, glabrous,with I prominent midrib; margin.of inner 3 rows mem- braious, slightly fimbriate; apex acuiinate, fimbriate, tinged pink. Receptacle convex Rry florets many in severalrows, estaminate;ligtlle white to pale lavender,2 0-3 2 mm tong, to O S mm wide; floral tube I 0-1 5 mm long; stigma lobes subulate c. 0 5 mm loni; achenefertile, pale yellow, elliptical in outline,0 5-1'0 mm long,0'2-0 5 mm widi, glabroLrs;pappus of 7-t0 free, barbellate bristles, c. 1 5 mm long, with barbs denser at tips-. Discfloriti staminate; floral tube 2'9-3'1 mm long, glabrous or sparselypubes- 'su€reu geel elElncDuop eql ol sroJeJleqlrdo cgrcods a\II : auroN 'seueqce,{er snoJq?I8 oq1 ot€ s? snue8 oql ur sarcodssrq} ol onblun qloq erB sJl€q 'Jelnllecrllnu J"el JBlnllecrun eql pu" s.rr"q Iuels el"llols oqJ so^eol pu" sruels luecseqnd '1,[ sll fq poqsln8uqslp eq u?. tr qtrq^\ tuo{ op!8!.t ol J"Jurrrssr o1Dln)uuap 7{ :sa!1!u!gy

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5. Minuria gardneri N. S. Lander et R. Barry sp. nov. Speciesaffinis M. annua (-fate) Tate ex Black a qua caulibus sparsim pubescentibushabitu perenni et foliis capitula superentibuspraecipue diffett. Frutex nanus perennis. Achenia florum radiatorum fetilia, pilis adpressisfurcatis geminisparce pubescentiaetiam pappo setis7 9 barbeilatisornata; achenia disci sterjlia, glabla, pappo cupula setorum connatorum ab I (-8) setis longioribus superatorumornata. Type: Moult Sir Samuel, Western Australia, Gardner 2426,26 Jtrly 1931 (holo: PERTH; iso: NSW). Perennial, compact dwarf shrub to c. 20 cm high. Sler?J suffrutescent, green to green-brown, sparsely pubescent with multicellular, uniseriate hairs. Ieales alternate, sessile,linear, often falcate, glabrous, to l0 mm long, c. I mm wide; margin entire; apex obtuse-acute. Capitulq solilary, conspicuously pedunculate, terminal, discoid, to c. 7 mm in diameter. Peduncle pale green, to 20 mm long, c. 0 5 mm wide, densely pubescent with multicellular, uniseriate hairs; floral leaves 3-5, I 8 5 4 mm long, c. 0 5 mm wide. Involucral bracts rn 3 rows, lanceolate, 2-3 mm long, c. 0 5 mm wide, glabrous, with 1 prominent rib;nrargins ofinner two rows membranous1,apices ac:ute. Receptacleslightly convex. Ray forels many in several rows, estaminatei ligules white, 0 3-O 6 mm long, c.01mmwide; floraltube0'5 I 5 mm long; stigmalobes subulate, 0 1 0 3 mm long; achene fertile, red-brown, elliptical in outline, c. 0 5 mm long, c. 0 1 cm wide, sparsely pubescentwith adpressedtwin-hairs notched at apices; pappus of 7 9 uniformly barbellate bristles 1-2 mm long. Disc .florets staninate; floral tube 1 8-2'3 mm long, sparsely pubescent with multicellular, biseriate hairs; anthers 1 0-1 5 mm long, c. 0 3 mm wide, with acute, sterile apical appendages;stigma lobes subulate,c. 0 6 mm long, c. 0'l mm wide; achenesterile, linear in outline,glabrous, 0 6 0 8 mm long, c. 0'2 mm wide;pappus of dimorphic bistles with short connate bristles c. 0 5 mm long surmounted by l(-8) conspicuously and uniformly barbellate bristles 0 5-l 3 mm long. Flowering Period: July lo December. Habitat: On margins of salt lakes in low shrubland and low open woodland on gypsum, loam and clay-loam soils. Distribution: See Fig. 2. Otherspecimells: WESTERN AUSTRALIA: Lake Miranda,near Mt. Sir Samuel,Slacirzll 330, July 1931(PERTH): 6 miles(9 km) N of BulgaDo' ns, Demarz5649, Sept. 1975 (PERTH); Lake Austin, Dematz6951, AuE. 1978 (PERTH); van derLinden Lakes, W of Giles,Geolge 8235, Ocl. 1966(PERTH); 110km N of SeemoreDownb, 29'52'5, 125"40'E, Georye 11905, July 1974(PERTH): near S end of Lake Cowan,c. 5 km N of Norseman,Wilso 6058,July 1967(PERTH); : Musgrave Range,c. 63 km W of MusgravePatk, Whibley9'75, Sept. 1963 (AD): preciselocality, collector and date unknown,BRI 2l9995(BRI). Affifiities: Minuria gardneri bears an obvious resemblance lo M. onnua from which it can be distinguished by its perennial habit, its pubescentstems and the abserrceof leaves overtopping the capitula. This species also bears a gross superficial resemblance to Kippistia suaedlfuha for which it has been mistaken in the past. Name: The specir'c epithet is bestowed in honour of the late Mr. Charles Austin Gardner (1896-1970), Government Botanist of Western Australia and the collector of the type of this species.

6. Minuria integerrima (DC.) Benth., Fl. Austral. 3: 499 (1867). J. M. Black,Fl. S. Austral.Ed. 2, 858(1957); Davis, Phytomorpholoey l4t 231-239(1964). Therogeronintege imumDC., Prod.5: 283(1836). "Arareplant Type: on the wet plains ofthe Lachlan River, New SouthWales, July 1817", Cunninghctm(holo: G-DC; possibleiso: MEL 70345). Minuria candolleiF. Muell.,Fragm. 9: 119(1875) pro pte.,nom. ilieg.; F. Mueller,Fragm. 10: 56 (1876);F. Mueller,Syst. Census Austral. Pl. 78 (1882);F. Mueller,Key Vict.Pl. l:297 (1887-8);F. Mlreller,Second Syst. Census Austral. Pl. l3l (1889);Moore & Betch,Handb. Fl. New SouthWales 265 (1893);Dixon, Pl. New SouthWales 175 (1906); Maiden & Betche,Census New SouthWales Pl. 135 (1916). 'IDrrelBur .S lIln eqraq uo peseqow!)a84ut J\l Jo uorlnqrlsrc eJn8rg

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Selecteclspecimens: WESTERN AUSTRALIA: La\lelf., Fitzgetakl,-I].1v.-l-922-NSW, PERTE); 49 miles (73 km) S of lurn-ofi to Mt. Newman,Miftingron 110941, Sept l9Tl (NSW,PERTH); SOU'THAUS- ifAiia: Coop"t.creek, Innamincka Creek be-d below crossing, "/ornso" NSw l28015,June1972-(Nslff): vicfOnIa, MurravRiver. flats on CowraStation, 19 km W of Merbein,FrrJrall NT 46860,Oct. 1969 rNii: tlEW SOUTHWALES: 8 miles(12 km) W of Louth on WanaarjngRoad, Moorc 5592, June 1969 ieRi, Cll.i e, MEL, NSW); :Gilruth Plains,Cunnamulla, McKee ry]32-i Aprl'- 1963 iCetts, NSW.);NoRTHERN-TERRLToRY: cha.lotte wd\e!t, chippg,ld.qle.!129(!I.I, C4N9,-NSW' Nt)r +d miles(64 km) N of HelenSprings Station, Perry 1893,Aug. 1948(AD, BRI, MEL, NSW)' Aflinities: The affinitiesol M, integcrrimaare obscure lt appearsto have many features ii common uirh M. garclnerifrom-which it can be dislinguishedby its glabrousstems and its disc DaDDusbrisiles which are barbellate, with barbs becoming longer and denser towards iheii tips. This speciesis remarkable for the occasionaloccurrence oftetramerous disc florets, a iharacter aiso observed in KiPpistia suaedifblia. The clustering of several capitula together is also worthy of note, although they are often paired in M chippendalei. Disc florets with four lobes and four anthers are often observed in M integertima- The presenceof tetramerous disc florets in predominantly pentamerous capitula is possibly to be explained in terms of the crowding of floral primordia. This phenomenon is dis- cussed by Gardner (1977) and Grau (1977). ll should be noted that M..integertimq rs a somatic apomict and can possessfrom 0-25+ disc florets per capitulum in which there is a total failure of male gametogenesis(Davis, 1964). Nqme: The specific epithet refers to the usually entire leaf margins.

7. Minuria leptophyllaDC., Prod. 5: 298 (1836); Benth., Fl. Austral. 3: 498 (1867). J, M. Black,Fl. S, AustraliaEd.2,857 (1957); Turnet, Amer, J. Bot.57 (4):3830970). Therogetonleptophyllum (DC.) Kuntze,Rev. Gen 368 9 (1891)nom. illeg. "summits ?r,re.' of barren hills, Lachlan River, Interior of , 27 April. 18i7", Cunningham23 (holo: G-DC). Mitlwiate uissimaDC.,Prod., 5:298 (1836). "Barren LectotvDclhere desisnated): Hills on the LachlanRiver, New SouthWales, 15 Apr. 1817" C'ot- ingh;ti 50\\'-DCl: Parclyr,: dirro,Cunninghan 24 (C-DC).

"Rockingham ?pe. Bay, Dallachy, a single slenderspecimen in Herb. F. Mueller . . ." (holo: K) Minwia asteroideaSond., Linnaea 25: 46'78 (1852)-E rlbia asteroialeaF. Muell ex Sond, Linlaea 25: 468 (1852)norll. inval. Plo syn. Lectoh)De (here desisnated): Cudnaka, Mueller, Oct. 1851 (lecto: MEL 70416; isolecto: MEL'i0419). Para-rypes:Adehide, Mueller MFL 70410 & 70411, undated' (M-EL) between Salicreek and Pfeiffer's Station, Behr MEL 70414 & 70410, Nov. 1849 (MEL); Holttfast Bav, Mueller MEL 70413-5, undated (MEL); Mount Remarkable, Mueller MEL 70412,-undated (MEL); Cudnaka Mueller MEL 70420, undated (MEL). Small, spreading, perennial herb to 50 cm high. Slens suffrutescent,pale brown to sreen. sDa;seivpubei..nt .,ith adpt"tted, multicellular, uniseriate 1'afts Leqves alternate, iesile, linear,'t6 4 0 cm long, c. I mm wide, sparselyto moderately pubescentwith clumped, multicellular, uniseriate haiis; lrargin entire; apex acute to acuminate, sometimesapiculate' Caoitula solitary, terminal, pedunculate, c. 1'5 cm in diameter. Involucrql bracts rn 4 rows. yellow to "ofgreen, lanceoJate, 2 6 mm long, c. 1 mm wide, glabrous,with 1 prominent midriS; margin inner I rows rnembranous; apex acute, fimbriate, tinged.pink. Recept' aclc slghtly"convex- Rq) florets many in several rows, estaminate; lingule white- to putple,-4'2-7'o mm long,0:7-2 1 mm wide;floral tube l 7-3 4 mm long; stigma lob€s iubitaie, t O-l s mm l6ng; achene fertile, brown to orange, obovate in outline, 1 3- 3.8 mm long, 0 5-1 2 mm wide, densely pubescent with notched twin-hairs; pappus eclrvro,,\(Lu)r er) selrrrr s.€z ,r,rroru,rnf-T.tSN$Y?#PJfStt;i:3%"it'#&:f;t3t't&#tx e,{toopun selllrr :,\UOJIUUSJ :({NvJ ,IUS) rry .sure14qtn: ',{a^ot Jo aSS S 'CSl)NIIIHIUON .8nv .Ig€ezo In6l Z,eZ D lsetA :(NV.ISNggnO :ON Z96I Cg) sd! rqd,pIe-de4eg:(,ASN AV) S/;l '1.O'OZIZ tqo.Dt 'Iltll.uolorg reou 'drC sral.\oC ,(IV) .tco ,IS0I 'eoFolC : Sa.IVIA HInOS ,,\(\SN: Cgr,{ €96I ar,rrv (nDl selrlu ,l.uledel pue ueo.rleq :VIdOI)L :(HIXAd 'JN ,A\SN '.IAW 'SNVJ Jo'IUS IAS 'CV) t.I) 8.0'029S IIrqN . t96t ldos .fi.r?d'uorlels stlrH esoU aO Jo S (w)t €€) setrLuZZ :(.IEI/.I 'SNVC 'CV) 'Bny '66t apoJ,nlldT (rDI setrtu : 'gItZ996I '€unlrtd Jo S If) / VI-MJSnV HJnOS :(Hrdlld,idSN) lE6I qnt llbpDlg Jo S (ru) SII) selrurO/ :VIIVUISnV NUIIJSaA :suatulradspapaps

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ChromosomeNumber: n: 9 (Turner, 1970,l.c.). Affinities: M. leptophylla appears to have many characters in common with M. annua from which it can 6e'Oistingulshedby its perennialhabit and pubescentstems and leaves' 'fhe Name: specific epithet refers to the natrow leaves of this species. SoecialNote: A singlespecimen collected 7 5 miles(11'3 km)Nof Bulga Downs, Western Au(rralia.Denarzd5o5l. Sepr. lg?5 (PERI Hl includ:drenratirtly.by us und.erM lepto- may be found to '."i."."ni'unhvllq tooeacs to be ,omuehat aberrant and, with furlher colleclion. distinct taxon. It differs from other material of M. leptophylla in possessing short, fleshy, glabrous leaves.

8. Minuria macrocephalaN. S. Lander et R. Barry sp. nov. Soeciesafiinis 14. tninehanii(DC.l Benth.a quacaulibus glrbris et cap;lulisgrandibus.praecipue Oinerri--nruii""m".us nanu"s perenni\. Achenia flbrum radiatdrum ferlilia. prlis glochidialis geminis denseoubescentia etiam pappo ietis multisminule barbellatis ornata; achenia disci steljlia, glabra, pappo c. 10 ietis brelibusramasis capillaribis et 7 10 setislongioribus barbellatis ornata' Iyrc. Barwidgee road, l0 miles (16 km) S of Yelma turn-off, Eremaean Province, West- e;; Australia.-Sre.'k I348, Oct., 1958(holo: CANB; iso: NSW, PERTH). grey Perennial, spreading dwarf shrub to c. 50 cm high. -^Sterrswoody, to light brown. elabrous. Lcat\s alternate, sessile,linear, mostly falcate, almost glabrous with a few m'ulticellular, uniseriate hairs on the margins towards the apices, to 30 mm long, 1 2 mm wide grading into involucral bracts; margin entire; apex aouminale Capitula solitarv. rerminil, broadly conical, to J5 mm in diarneter. lnvolucrqlDrcrrs in sereral ro*s, iinear-lanceolate,5-15mm tong.c. 3 mm wide.glabrous. uith I prominentmidrib: Receptacle margin membranous,- slightly fimbriate or entire; apex acute-acuminate. '1 coniex. Ray "rnmflorets.man-y in 2-3 rows, estaminate; ligule (colour unknown), 4-ll'2 mm long. 1j2 wide; floral tube ?-9 mm long; stigrna lobes subulate, 5 5 mrn long, c.0 t im uide; achenefertile flattened,lanceolate in outline, c 4 mm long, c..1 mm wide, densely pubescent with glochidial twin-hairs; pappus of many- tapering, minutely barbellate b;isties, 12-19 mm long, free to their bases or united to folm clumps' Dis-c //or€ls staninate: floral tube 14 18 llrm long; anthers 6-7 mm long, c. 0 8 mm wide, with icute. sterileapical appendages: sLigma lobes srrbulate.5-b.mm long..c.0 8 mm -uide: achenesterile, llatten'ed, lanieolate in outline.glabrous. ll l4 mm long. 0 8 l 3 -mm wide, with 2 prominent veins on each face; pappus of dimo rph ic. bristles, with c. l0 short capiliary bris^tles3 5-5 7 mm long, free o. united, conspicuously branching toward the ur.tl"".- and 7-10 barbellate bristlet 13-17 mm long, the barbs more conspicuous towards tne aprces. Flowering Peiod: Septemberto February. Habitat: ln low shrubland. "Barwidgee" Distribution: Known only from the vicinity of Homestead which is 27'02'5, 120"55,Ein the Austin District in the Eremaean Botanical Province of Western Australia. SeeFig. 2. Otherspecimen: WESTERN AUSTRALIA: SE of Wiluna on saltbushcountry,. Barwjdgee paddock on iale Violet and BarwidgeeStation Boundary, Olirer M44, Sept 1966(PERTH)' Al{inities: M. macroccphalais closely allied lo M. cunninghamllfrom which it can be dis- tiiiguished by its much larger capitula and floral pafis ; its.glabrous peduncles; its glabrous invilucral biacts which aie not tinged pink at their apices and which are not as con- spicuously fimbriate; and the clumplng of its ray pappus .bristles. The latter feature is f6und onlv in this speciesof Minuiia. M. macrocephalais considerably larger in all its floral parti than any other speciesin the genus. Specimensof it have been placed under M. cunni ghamii in lhe Past. 'fhe Name: specific epithet refers to the particularly large capitula found in this species. 26996-(9) 'I€rrolelu .Jzf ./ Llrnrr€qr0quo poseq,p?,trr Jo uorlnqrlsrc etn8lC

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Flowering Period : October - Hqbitqt: Low shrublands near places of ephemeral water. Distribution: See Fig. 7. Selectedspecimens:SOUTH AUSTRALIA: 1 5 km E of Lyndhurstalong Strezlecki Track, Sikker1076, Sept.1973 (AD, CBG); LakeFrome, Weber 2089, Jnly 1971(AD, BRD Affinities: M. rigida is most similar to M- denticulata. See under that speciesfor dis- tinguishing features. -fhe Name: specific epithet probably refers to the stiff leaves found in this species.

The bulk of this work was completed while both authors were employed at the National Herbarium of New South Wa1es. We wish to than Mr. Paul Wilson for reading the manuscript and Mr. Alex George for providing Latin diagnoses.

Fjgure 8. Distribution of Mrrrlra basedon herbarium material. Eltutsnv u€tse^ ,relulrd lu6uur€^o9 ,Nt ols I wYt.ntrl/\

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