Volatile Leaf Oils of some South-western and Southern Australian Species of the Genus Eucalyptus. Part XVII (Series I). A. Subgenus Monocalyptus. B. Subgenus Symphyomyrtus, (1) Section Guilfoylei (ii) Section Bisectaria, Series Accendentes, Series Occidentales, Series Levispermae, Series Ioxophlebae, Series Macrocarpae, Series Orbifoliae, Series Calycogonae (iii) Section Dumaria, Series Incrassatae, series Ovulares.