The aerial parts of Stachys officinalis (L.) Trevis., collected from Velika
Greda locality at Durmitor mountain (Montenegro), contained 0.5% of essent
ial oil. Using CC and GC/MS, 32 constituents were identified. A mixture of
isocaryophyllene and beta -caryophyllene (22.9%) was identified as its prin
cipal component.