Abstract. Delforge, P., Mast de Maeght, J. & Walravens, M.- Section Orchids of Europe - Report of activities 1999-2000 [Natural. belges 82 (Orchid. 14) (2001): 1-18]. The winter program comprised illustrated talks on a wide variety of topics: distribution, systematics, identification, hybrids, ecology, protection, as well as discussions on techniques and other aspects of orchid study. Summer field trips and significant observations are reported.

Key-Words: Orchidaceae; flora of Belgium, Canaries, France, Germany, Greece, Italy, Madeira, Malta, Portugal, Spain, the Sudeten, Turkey.