349 



A REVISION OF THE EUCALYPTS OF THE 

 RYLSTONE DISTRICT. 



By R. T. Baker. 



In a paper published in the Society's Proceedings for 1896 

 •' On the Botany of Rylstone and the Goulburn River Districts," 

 I recorded a list of Eucalypts collected by me up to that date. 

 Since writing that paper I have several times visited the district 

 and made botanical collections, so that my knowledge of the 

 Eucalypts has considerably increased, and consequently I find 

 that my previous views of these trees have somewhat altered, and 

 in some cases I am not prepared to stand by my original 

 determinations. 



I wish now to modify some of my previous statements respect- 

 ing certain species, to add new data regarding others, and also to 

 re-arrange the species in a sequence founded on a classification 

 which is not so restricted as that based on morphology alone. 



The system now followed is that advanced by myself and col- 

 league, Mr. H. G. Smith, in the work " Eucalypts and their 

 Essential Oils." It is based on — 



(1) A field knowledge of the trees, 



(2) The nature and character of their barks, 



(3) The nature and character of their timbers, 



(4) Morphology of the fruits, leaves, buds, (fee, 



(5) Chemical properties and physical characters of the oil, 

 dyes, kinos, tfec, and any other evidence, such as histology, 

 physiology, Arc. 



Such a classification, we think, is a nearer approach to a natural 

 one than any of the other systems yet devised. 



The range of several species is also considerably extended. 



