ZYIII  . 31 18graphic naturalist, he joined the expedition sent out under

Augustus Gregory by the duke of Newcastle, secretary of state for the colonies . He explored the river Victoria and other portions of North Australia, was one of the four who reached Termination Lake in 1856, and accompanied Gregory's expedition overland to Moreton Bay . From 1857 to 1873 he was director of the Botanical Gardens, Melbourne, and not only introduced many plants into Victoria, but made the excellent qualities of the blue gum tree (Eucalyptus globules) known all over the world, and succeeded in introducing it into the south of Europe, North and South Africa, California, and the extra-tropical portions of South America . For these services he was decorated by many foreign countries, including France, Spain, Denmark and Portugal; was created K.C.M.G. in 1879, baron of the kingdom of Wurtemberg in 1871, and F.R.S. in 1861 . He published eleven volumes of Fragmenta phytographica Australiae (1862–1881), two volumes of the Plants of Victoria (186o-1865), and other books on the Eucalyptus, Myoporaceae, Acacias, and Salsolaceae, all profusely illustrated . He also co-operated in the production of G . Bentham's Flora Australiensis . He took a leading part in promoting Australian exploration, especially the Burke and Wills expedition, which was the first to cross the continent, and in the various attempts to unravel the mystery which attended the fate of his fellow-countryman Ludwig Leichhardt (1813–1848) . He died at Melbourne on the 9th of October 1896 .