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Taxonomic Revisions in the Family Haloragaceae II. Further Notes On

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Taxonomic Revisions in the Family Haloragaceae II. Further Notes On Taxonomic Revisionsin the family Haloragaceae II. Further notes on Haloragis' Haloragodendron and Gonocarpus By A. E. Orchard* Abstract Additionalnotes are provided on newrecords and re-collectionsof seven speciesof 1taldr'dgls,one speciesof Halorcgoderulrcnand fifteenspecies of Gonocarpu.r,mainly ffom WesternAustralia. One new species,l/dlotagrr dr,'a.is descfibed.and rhe drvision of Gorocdrprsinto two sections,sect. Gotr- carDusand sect.Simplum is proposed. Threespecies previously known only from incompletematerial are redescribed. While a recently completed revision of Haloragis and related genera was in press(Orchard, 1975),a number of new recordsand re-collectionsof poorly known speciesbecame available. As withdrawal of the manuscript to incor- porate these changeswas not feasible, they are presentedhere as a supplement to that paper. To facilitate comparison, the same numbers have been given to the speiies as in the original work. Amended maps and supplementary illustrationsare providedwhere necessary. HALORAGIS 12. Haloragis trigonocarpa F. Muell. A collection of this speciesby Royce (Royce 5921, 16.vii.t959,Dorre Island, PERTH (fl.) ) from Shark Bay is the first record from an offshore island. Several collections from the nearby mainland were listed previously. 13. Hatoragis acutangulaF. Muell. Recently collected material of .F1.digyna from near Esperanceforms a link between that species and plants formerly (Orchard, 1975) described as 1L ocutangulaf. occidentqlis, It is still unclear whether all of the Western Austral- ian plants listed under H. qcutangulqf. occidentQlis(including the type) should be transferred to H. dig)na, or whether some of them are best retained in F/. ucutanlula. Further collections in flower and fruit are required from coastal areasbetween Albany and Eucla,to help decidethis question. (Seealso under H. digyna). 14. Haloragis asperaLindl. In my previouspaper two WesternAustralian collectiols (Blackall 1221, Gardner 2919) were referred to this species. Both collections were in flower only, and althoughdiffering from typical H. asperain somerespects, they were nlaced in this speciesuntil further material should become available. Four more collectioni have now been made from the Norseman-Widgiemooltha area, all bearing flowers and fruits, and all matching the two previous collec- tions. Now that complete material is available it seems that these rffestern Australian plants differ from H. aspera in a number of characters, including leaf shape,size and shapeof the secondarybracts of the inflorescence,and most * Auckland Institute and Museum,Private Bag, Auckland, New Zealand. 126 LZT 'ohr "t 'C^V'Hldtd 'BNVJ ..U) ,uelunlrq :rdItosl (rJ )V o8p. te eprspEo.ruO .lqlloour -rdplA {tZ6t .981tJo .g .V Joqrno\LUI0SeJ:prlFrtsnV urrlso^\ rx tZ p.tDtlr.to :tndteloH 'L!ntncol rad I uaLuas'trlncol :eleiLLrLLr0.l6.0e;uol ruLu'.I t.l EtEtlaperlueled er]ualsrs:ed eiedei :splE.rotursnsoJn.rJa^ la snlee^oJJetuelnEorlr .sEtnurluap sPlsoc pe oJel e€lelLuLLr ,snlslD-t 0.I S.0 aele (e€snpureElE) snlel tlllu 0.t 9.2 sn8uolruLu 0.€ S.Z sn8uolqorrlrr.U urnlnrq req Lunln^o .Llrnlqe3s .urntpln8u!_t ,lunlel -uniruol I Lunt€llerol-i esuep elujrlur luLu8.0 . 1.0 Luru0. f-9.0 urnepn^o tunuono .t j/4S' .ee8uol rutu g.l o€Joqlue.g 0.2.srlecun ,rJrrrls' Eurrerur ErqB.selel ururl-0 9.0e;uol Lrrlug.Z 9.a\tDlDtdd srlrdetttse^ esuopElEl rutn /.0 E8uol LULLI e1e^o, Dlnbs .eucpas eEr8eturoeJ€l curu 0. 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