It does not matter if Mr Schijff was dutch or not All plant names are in latin so should be pronounced as such ( of course everyone has its own "latin" pronunciation). The rule is that in most latin names the accent is on the third "syllable" So I say jonEsii not jOnesii. ( with each i as in keen) I say PurpUrea not purpurEa Ben J.M.Zonneveld Nationaal Herbarium Nederland POBox 9514 2300 RA Leiden, The Netherlands telf 071 5274738 E-mail: Zonneveld@NHN.Leidenuniv.nl