F ^ nr ] Willis, Hora oj Milan* mttt Santk Australia 1SS 



fW) It). The subsequent examination ot plants, gi owing will] liul quite 

 distinct from iir.ilhott^ in the Mr. Mac edon area (and elsewhere 1 has rtvealrd 

 significant difference* in foliage auti comparative: dimensions of pods. Leaflets 

 in I. Huiut-rl.'alhKitrt are virtually glabrous (only a lew very minute hatr>), 

 obtuse at the apices, never more than 2.5 mm lonfi and alnt£*1 roncluny or 

 even overlapping along the aides of the rhachis, whereas those of .•? detitbnta 

 ace d'stmc'ly hairy (often copiously }, more or less acute, always exceeding 

 .* mm. in length, and woaratcd from each other" by narrow spates; die former 

 plant also ha* a comparatively much wirier pod — \ej%% than six tunes as long 

 as broad. The »oW species hat A rather wide distribution in south-central 

 Victoria, hut i* nor abundant; there are no indications of its occurrence w 

 any other State. 



ACACIA GRAYANA J. H Willis, 



species nova A. wi^rottirfit F. Vucll. amjus sed pbylJodiis au&usliori* 

 bus. peduueulis birsuri?., v^paloTiun laniinis latioribus, frunu nnilro 

 latiorc (duplo vel triplo) et priecipuc seminis funiculo tango bigem- 

 rulato reoedit, 



LOCUS' : V f ("TORI A i. occidental is i — " Wuraigwcrin Parish, south of 

 K»ata and about 14 miles west ot Dimboola, on sandy frfnptri littt margin 

 of Little Desert" (HOLOTVPUS' cum florifcus in Herb MEL— .4. I 

 ■Wr, 10 Sept. I!I51 - PARtfTYPVS com fmctibits in MEL— .4. .'. G>av, 

 24 Feb- 1951 : MRttQTYPHS cum riorums in MEL— nmtt .-I. 7. //rc*r f 

 30 Nov. 1%j, ex "Kiata wUdltower display" Oct, IV55I. 



tail jfltftib Ot small spicadm*v 1r ee 2-3 in, |io If) h) high. Ultimate 

 brmicMcts slightly angular, puberuluus. Fhyilaiics glabrous, olive- grcwi, 

 rather deti*e, each 1-3 cm. x 1.S-5 ntm |ui 5 cm Uoij.; ih viKcavut^ly growing 

 sredhnp-.]. linesr, very shoilly perioUte, with sharp imi inate-niuernOaic 

 apex; marginal gland small, rather obscure, situated 2-R mm, above base ■--{ 

 blade feven more obscure and 10-15 mm. above base m A tunroatrfm F. 

 M .iirll 1 , nervation consisting c»i a singhr rather prominent eenir.il vein, with 

 ohsrure lateral reticulate venation (often appearing as longitudinal wrinkles, 

 as in A. mictoCttrf-u) InflorcscMUtf a reduced axillary ia<eme or 2-4 bends 

 on a short common axis, the whole about half the length oi subtending 

 phyllode. Fhiwr-hcads globoid, bright yellow, with 20-30 flowers faj in 

 A- Mirrororpi'i) , bull 031 a shortly white-hairy |>eduuc]e 5-10' mm. long [cj. 

 Almost glal^roiu; In A. mitrocarpa]. Individual flowers S-partitt, 1.5 nun, long 

 at expansion; subtending hracteoic lon^-clawcd with few lar^c hairs, the 

 densely firnbrijite terminal lamina ap^ariug almost pellAte. Cttfttt Iwlt 3b 

 long fts corolla, the spathnbte and stftftigly nmbriate sepals heinpf tree almost 

 to part p-d-iM .-e wider a«d more fimbriate thaii is usual m A. murwrrrr^nj. 

 Pr/att rather membranous-papyrareous. prominently veined, laneeolnre- 

 oliiptic, with contracTed granular -pa)>illose apices. Pollen polyads 3S-f5 mic. 

 diameter, composed of 36 grains (as in A. microcofpu), Po<! .5-5 cm. x 

 6-8 mm \ri up to 3mm-, wide in A wnrrnrrjr/vt| p linear, =.trme,hf. more or 

 less constricted between seeds, subcoriaccous. hVxible, deep* juirplish-broxvn 

 at maturity. .Vmrjr .2-4, longitudinal to shfthtly oblinnc. aboitt 6x3 nun, 

 elliptic. bUck; aril i-ety smart and basal, pasMtig into a I'ojnC Mgrnoid funiek 

 with double fold \-± 4 mm. long) on one *ide of >etd [cf. the larp;c cmhraHng 

 aril and very short, non-folded iuuick- pi A. mcrncurpv], 



L"il/o*'twn:ncl> t the new species was known unly by a single naunaily- 

 nccurriug tree: (now ilcud), b»r seedtiit^ propteny lias been brought into 

 cultivation fit Wail Forest N\irs«ry, etc. It i* most closely related lo 



