Abstract. Delforge, P.- Preliminary note on Orchids of south-western Kyklades (Greece) [Natural. belges 79 (Orchid. 11) (1998): 114-116]. During April 1998, research has been made in the Milos islands group, revealing 36 orchid species on Milos, 20 on Kimolos, 6 on Polyaigos, and some hybrids. As first result, a list of taxa is provided for each island.

Key-Words: Orchidaceae. Flora of Greece, Kyklades, Milos, Kimolos, Polyaigos.