204 NOTES ON NATIVE FLORA OF NEW SOUTH WALES, IIL, 



of and nearly parallel to the Great Dividing Range, and situated 

 partly on the western slopes and partly on the eastern margin 

 of the great plains. 



Some species of Eucalyptus noticed near Orange continue 

 southerly along the highlands and extend into Tasmania, though 

 they are also in the north on the colder parts of New England 

 as well; while, on the other liandj several plants found at 

 Gilgandra, and which require much warmer conditions, spread 

 northwards into Queensland. 



The distance between Orange and Wellington is about 55 miles; 

 and as the country falls gradually the whole way, in all nearly 2000 

 feet, this area is one in which the change of flora is very marked, 

 and is chiefly owing to the difference in climatic conditions. 

 The geological formation around Orange is igneous in origin, 

 niuch of it basaltic, but in proceeding towards Wellington areas 

 of Silurian slates are passed, with considerable deposits of lime- 

 stone near Wellington. Much of the country beyond this shows 

 very little rock, but near Dubbo there are some Triassic sandstone 

 tracts, and some basaltic flows ; while between Dubbo and 

 Gilgandra, except for some patches of basalt, very little rock is 

 seen, and the country begins to assume the characteristic levels 

 of the western plains. 



The Eucalypts noticed between Orange and Wellington were: — 

 E. mmMiaZ2.9,Labill.,(a somewhat drooping White Gum, sometimes 

 called Manna Gum), E. coriacea, A. Cunn., (White or Scribbly or 

 Cabbage Gum), E. aniygdalina, LabilL, (Peppermint), E. Bridyes- 

 iana, R. T. Baker, and one of the trees identified by Baron von 

 Mueller as E. Stuartiajia, F.v.M., (Apple or Woollybutt), E. 

 mdliodora, A. Cunn., (Yellow Box), E. ter^ticornis, Sm., (Forest 

 Red Gum), E. macrorrhynclia, F.v.M., (Stringy bark), E. rubida, 

 Deane & Maiden {E. Giinnii, var. rubida, Maiden; White Gum), 

 E. dives, Schau., (Peppermint), E. maculosa, R. T. Baker {E. 

 Gunnii, var. maculosa, Maiden; White or Spotted Gum), E. 

 hcemastoma, Sm., var. micrantha, Benth., {E. Rossii, Baker ifc 

 Smith; Brittle Gum or Brittle Jack), E. Cambayei, Deane ifc Maiden 

 (Mountain Apple, known between Rockley and Burraga as 



