Österreichische botanische ZeitschriftDecember 1889, Volume 39, Issue 12, pp 452–455 | Cite asBotanische Gesellschaften, Vereine, Congresse etc.ArticleThis is a preview of subscription content, log in to check access.PreviewUnable to display preview. Download preview PDF.Unable to display preview. Download preview PDF.Copyright information© Verlag von Carl Gerold's Sohn 1889