286 TRANSACTIONS OF ROYAL SCOTTISH ARBORICULTURAL SOCIETY, 
were equally good. On the other hand, some plantations of 
twenty years growth will show a much greater height than 20 
feet. Unfortunately I am unable to give the actual cost of 
growing say a thirty or thirty-five year-old plantation, and the 
results of sale to the pits. About twenty years ago, in Wales, 
I grew and sold for pit-wood with good profit, but the figures are 
not with me at present. But whether my estimate be open to 
criticism or not, it may possibly help to draw further attention to 
what will, in my opinion, prove to be one of the most profitable 
branches of forestry. 
