Abstract. Duvigneaud, J. & Saintenoy-Simon, J.- The meadow vegetation in the north of Focant (commune of Houyet, province of Namur, Belgium) [Natural. belges 79 (Orchid. 11) (1998): 117-123] - An important locality of Orchis morio. The region of Houyet presents outcrops of schists of the Famennian. There are large wild, unfertilized, very varied meadows, belonging to Mesobromion, Arrhenatherion, Bromion racemosi, Molinion. Flora contains rare and threatened species and an important population of Orchis morio (Orchidaceae).

Key-Words: Orchidaceae, Orchis morio, Flora of Belgium, Flora of Wallonie, Nature protection.