ij6 EUCAL YPTUS. 



THE EUCALYPTUS BOTANICALLY, 



The Eucalypti have been classified in various ways, 

 viz., by the leaves, by the barks, by the kino-gums, by 

 the anthers and in a composite way by Bentham. The 

 anthereal system seems to me to be the -best for the general 

 student ; I have therefore adopted it. By means of the 

 editing done by Prof. A. T. McClatchie, the plate of typical 

 anthers of each series, the key and the glossary, moderate 

 attention will enable a person of intelligence to identify the 

 leading species of the genus. I have described three species 

 which are growing at Santa Monica. Some of the speci- 

 mens of Eucalyptus sent to Von Mueller arrived in bad 

 condition. Of the three species named by me the Baron 

 thought one might be a form of Eucalyptus globulus, and 

 another he called Eucalyptus occidentalis. A reference to 

 the chapter on Eucalyptus oil will show that it would be 

 justifiable to found new species on these trees from the oils 

 alone. The oils are widely different in both yield and 

 character from Eucalyptus globulus in the one case and 

 Eucalyptus occidentalis in the other. 



The genus is spoken of by all observers as an extremely 

 difficult one botanically. The difficulty lies in the strong 

 tendency to vary in the species and of a consequent merg- 

 ing of species into each other. The present arrangement 

 of species is far from being satisfactory. The trees which 

 we now call Eucalyptus amygdalina var. angustifolia and 

 var. regnans are surely worthy of specific rank. This 

 would give us three species and three varieties out of the 



