426 THE PEOCEEDINGS OF THE LINNEAN SOCIETY 



seems to have served as a bridge by which a few species of plants 

 from the North Temperate or sub- Arctic Zone have been intro- 

 duced into this region. Lastly : The relations of the truly 

 Australian Flora, as a whole, are rather with Southern Africa 

 than with any other country, as indicated by agreement in orders, 

 tribes, and genera. 



Since the publication of the early volumes of the " Flora Aus- 

 traliensis " upwards of 500 new species have been discovered in 

 various parts of the country, and the descriptions of these, which 

 appear from time to time in the " Fragmenta Phytographi^ Aus- 

 tralise," will form a considerable portion of the supplementary 

 volume. The " Fragmenta " already compose ten volumes, the 

 eleventh being now in hand. Its indefatigable author has further 

 followed up his " Botanic Teachings " of last year by a much 

 more elaborate work upon the " Flora of Victoria," which, when 

 complete, will present a systematic account of all the species 

 indio-enous in that colony, and, therefore, of most of those found 

 in New South Wales. With some few omissions, and the addi- 

 tion of plants from the northern parts of this colony, the same 

 work would serve for us also. The arrangement is that of Ray. 



The Baron has also published a translation of Professor Witt- 

 stein's great work, entitled " The Organic Constituents of Plants 

 and Yeo-etable Substances, and their Chemical Analysis," to 

 which he has added a valuable preface and notes. This is a work 

 which should prepare the way for the Medical Botany of Aus- 

 tralia, a subject which has hitherto been but little investigated. 

 It also should lead to the analysis of those plants, such for 

 instance as Swainsona, Gastrolohium, Lotus, Sfc, which have an 

 evil reputation among stockowners for their poisonous effects on 

 sheep cattle or horses. He has also in preparation, as indeed I 

 mentioned last year, a monograph upon the very puzzling genus 

 Eucalyptus, in which he hopes (being of a sanguine temperament) 

 to give satisfactory definitions of the species, with lithographic 

 illustrations, several of which are already printed. Much interest 

 attaches at the present time to the genus, in consequence of the 

 extended cultivation in Europe and North Africa of the Tas- 

 manian Blue Gum, E. globulus. It can hardly be doubted that 



