28 FOREST VEGETATION. 
yet observed this plant on the table-land, and I trust that many 
years will elapse before it makes its appearance there. 
The Bathurst burr (Xanthium spinosum) and two oe s 
thistle have, however, not only made their appearance on 
as specimen marked @, whic h is from a con celtmassiih range which 
have traced for more than 30 miles, and is almost all of the 
ame aanets ter, with occasional pisolitic nodules scattered over 
the aoe the ma throughout stringy-bark, acacia, 
tion is in all cases mie different to what it is on ‘the ormer, 
bei hite gum—specimen No. 5—(#. Stuartiana ?) and 
apple-tree (Angophera), with cccmaionas aceacia. The line of 
ween those two soils is usually very a defined ; 
and although the patches of the latter, which con 
entirely of pisolitic nodules, with very little real aaak may be 
pore ecapon by other vegetations, they are seldom if ever 
croach em. 
ve reviewing the various facts which I have endeavoured, with, 
I fear, but inadequate success, to lay before the Society, with. 
reference = the connection between the indigenous forest vege- 
tation and the principal geological formations of Central and 
N aoe New England, it will be observed pene xi aces many of 
the ti are common to various soils, and some are common 
every formation; so also is th o Sangre in some of its 
ry 
oe and nd many, aKa trees of Sides 
e es 
ie moister regions. — OVidichies of iron-bark—the pecaeat 
Catemse scoparia) and grass-tree—frequen nt elvanite and por- 
