Three new diterpenes, salviviridinol, viridinol, viridone, five known diterpenes, sugiol, 1-oxoferruginol, ferruginol, aethiopinone and microstegiol, abietane and rearranged abietane diterpenes were isolated from the roots of Salvia viridis. These compounds were assayed against S. aureus ATCC 6538