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94 BLUMEA Vol. 47, No. 1, 2002 Reviews RAFAELGOVAERTS,DAVIDG.FRODIN &TERENCED.PENNINGTON: Worldchecklist andbibliography ofSapotaceae. ScientificPublicationsDepartment, Royal Botanic Gardens,Kew, 2002.xi+361 pp.,illus.ISBN 1-900347-94-6.Price:GBP57.50. TheSapotaceae areamedium-sizedfamilywith,inthetropics, aworld-widedistri- bution. Because ofthe variability ofseveral characters its taxonomy atgenus and species levelisrathercomplicated andhenceitsnomenclaturesometimesconfusing. Producing a checklist forsuch afamily is abrave, major undertaking. Theprincipal authors, GovaertsandFrodin, wereassisted inthefirstplaceby Pennington (system, genera,Neotropics) andfurthermorebyW.Vink(Leiden,forMalesia) andL.W.Jessup (Indooroopilly, forAustralia). As thetitleindicatesthemainbody ofthebook(p.25-337) isa checklistofnames. Accepted names are given with author citation, publication place, distributionand synonyms. Generaareprovided withsomenotes. Withsynonyms only authorcitation is giventogetherwithreferencetotheaccepted nameofwhichitis synonymous.The checklistis preceded by somegeneral chapters andaselectedbibliography. Itis follow- edby listsofdubiousandexcludedtaxa. Throughout thebookseveral(unnumbered) pen andink drawings are inserted. Thepresent volumeon Sapotaceae shouldbe usefulfor alltaxonomists working onthisfamily. Frits Adema P.J.A. KEBLER: A field guide to theimportant tree species ofthe BerauRegion. BerauForestManagementProject, Jakarta,2000. x+ 195pp.,illus.ISBN979-96381- 0-0.Price:unknown.Ibid.:Pedomanlapangan mengenaljenis-jenis pohonpenting daerah Berau.[Alih bahasa: Jenny A. Kartawinata.] ISBN 979-96381-1-9.Price: unknown.Tobeorderedfrom:BerauForestManagement Project,Gedung Manggala Wanabakti, Jl.Jend.GatotSubroto, Jakarta10270,Indonesia. Anarea aslarge anddiverseas Indonesiahasacomparable large anddiverseflora. WritingaFloraforsuchanareais timeconsuming andresultsinaseriesofbooks that is impossible to take into the field.Even forthe island ofBorneo(where Berau is situated) aprinted Floracomprises manyvolumes,whichtakealong timetoproduce. For practical work in flora inventory, ecology andnature conservation, more local Floras and field guides are very much in demand.The present field guide forthe important treesoftheBerauarea is a goodexample ofwhatis needed. KeBler's field guide offers descriptions and drawings ofall species discussed. It includeskeys tothemost speciose groupsof whichtheDipterocarpaceae areby far themostimportant. Mostofthe materialusedin making descriptions and drawings hasbeencollectedintheBerauarea.Notesonusesof(groups of)species are included. TheEnglishandBahasaIndonesiaversionsareexactly thesamebutforthe'paper' usedin printing. TheEnglish editionis printed onakind ofplastic, ratherwhiteand shiny, the Bahasa oneon less plastic-like material, less shiny and, formost pages, more yellowish. Forallpeople workingonandwithtree species intheBerauRegion ofBorneothe book shouldbe very useful. FRITS ADEMA