92 ON THINNING PLANTATIONS. 
appearance of a native wood. ‘This is commonly occasioned 
by filling up, and often to some extent by the growth of stools 
which produce saplings. Unlike the larch and pine woods, 
the broad-leaved plantations are generally permanent ; young 
saplings everywhere exist, ready to take the form of timber- 
trees, on receiving sufficient space by the removal of the 
largest trees in their vicinity, and a thorough clearance is 
seldom made. The profits derivable from the timber of hard- 
wood trees are generally very great, but exceedingly variable; 
being dependent on the soil, on local consumpt, on proximity 
to a cheap conveyance, and greatly on the management. 
