BY R. H. CAMBAGE. 377 



Sydney, show, in addition, that it has been found at Jervis Bay, 

 and on the eastern side of the Liverpool Range on the Upper 

 Hunter, having come across from the west to the latter locality 

 in company with other western plants. 



Although the species is fairly common in the cool climate of 

 Tasmania, yet in New South Wales it appears to flourish more 

 in the warm interior than on the cold highlands, in which 

 feature it differs altogether from the majority of species which 

 occur in both the States mentioned. In New South Wales we 

 usually find the representatives of the Tasmanian flora along or 

 close to the Great Dividing Range, though some follow at lower 

 levels along the coastal area; but in my experience C. st^-icta has 

 seldom been found at an altitude exceeding 2000 feet above sea- 

 level, and in the western districts may be seen more often at 

 elevations below 1500 feet. In descending the western slopes 

 from the Blue Mountains, it does not become common till the 

 White Box [Eucalyj^ttts albens Miq.) country is almost crossed, 

 and it then continues intermittently through the remainder of 

 that zone of country, extending beyond to the dryer areas around 

 Nymagee and Mount Hope, and in fact through South and 

 Western Australia. 



In Western New South Wales it has a distinct preference for 

 growing on the tops of hills, which thereby suggests the name of 

 Mountain Oak; and in many cases these hills are so isolated that 

 there may be 10 or 20 miles of forest land intervening without a 

 solitary tree of this species to be found. In studying the dis- 

 tribution of the species, this seems to be a point which should be 

 kept in view, for it is somewhat suggestive of the species being a 

 remnant of what previousl}^ had a more continuous range. From 

 observations made in the western districts it appears to favour 

 hills of igneous origin, especially porphyry, but is by no means 

 restricted to that formation, as it occurs on several isolated sand- 

 stone peaks, probably of Devonian age, one in particular being 

 the Pinnacle, south of Forbes, while others are the Weddins, west 

 of Grenfell. It certainly seems to avoid the Hawkesbury Sand- 

 stone of the coastal area. A remarkable instance of partiality, 



