A NEW CROTON FROM NEW SOUTH WALES. 447 
The quantity of oil available was altogether too small to 
allow of a complete analysis but the following results were 
obtained with it :— 
Specific gravity at 15° C. = 0°9291. 
Rotation ap = —15° 
Refractive index at 24° = 1°4944 
Insoluble in 10 volumes 80 per cent. alcohol, but soluble 
in 90 per cent. alcohol. 
The absence of cineol, the slight solubility in alcohol, 
the high rotation and refractive index, suggest that the 
oil consists largely of non-oxygen bearing compounds, such 
as the terpenes and sesquiterpenes. 
‘li Mr. A. Paddison, who discovered this tree and had it 
under observation for many years, states :—‘* This is a 
very rare tree in the north-west of the State, or at least 
Angledool, and so far only seven trees have been seen. It 
is found growing in ‘Desert’ sandstone country ...... 
in circular depressions or ‘blows,’ (as they are known 
locally) on the tops or sides of our little ridges, carved out 
apparently by an explosion of gas in the sandstone. In 
fact, these are the only places in which I have found the 
tree growing. So far, I have not been able to obtain the 
aboriginal name of the tree.’’ 
I am indebted to Professor Ewart for specimens of 
Mueller’s original C. stigmatosus. 
EXPLANATION OF Puate XII, 
1. Twig, showing inflorescence. 
2. Individual female (enlarged). 
3. Terminal branchlets with capsules. 
