The essential oils of Phlomis rigida Labill. and P. samia L. (Lamiaceae) obtained from the aerial parts by hydrodistillation were analyzed by GC and GC/MS. P. rigida (albino and normal form) oils were found to be rich in Î²-caryophyllene (31.2% and 38.7%, respectively) and Î²-selinene (13.1% and 15.1%, respectively). P. samia oil contained germacrene D (33.8%) and Î²-caryophyllene (6.4%) as major components.