XV. The Botany of the Roraima Expedition of 1884: being Notes on the Plants observed, by Everard F. im Thurn; with a list of the Species collected, and Determinations of those that are new, by Prof. Oliver, F.R.S., F.L.S., and others
Published in Transactions of the Linnean Society of London. 2nd Series: Botany, in 1887, in volume 2, issue 13, pages 249-300
Date published:1887-07