Volume 01: Minderhoud, M.E. and E.F. de Vogel: A Ta- xonomic Revision of the Genus Acriopsis Reinwardt ex Blume (Acriopsidi- nae, Orchidaceae). - (Bound with:) Vogel, E.F. de: Revisions in Coelo- gyne (Orchidaceae) II: The Genera Bracisepalum, Chelonistele, Entomopho- bia, Geesinkorchis and Nabaluia. 1986. 4 col.pls. 27 p. gr8vo. Paper bd.

The first article presents a taxonomic revision of the genus Acriopsis(6 species, 5 varieties). One species (A.gracilis) and one variety(A.javanica var. auriculata) are described as new. Two species arereduced to variety level (A.javanica var. floribunda, A. densiflora var.borneensis). Twelve names are reduced to synonymy. The second paperembraces a taxonomic revision of the genera Bracisepalum (2 species),Chelonistele (11 species, 4 varieties), Entomophobia (1 species), Geesinkorchis (2 species) and Nabaluia (3 species). Synonymy,descriptions, distribution, habitat notes, and colour descriptions aregiven; each species is illustrated by a figure. Keys are given to thespecies.