118 EXPLOITATION OF THE FORESTS 



above Posadas. Already they enter the common life. 

 They are scattered either over the estates of the national 

 colonies or over the larger estates of the richer colonists ; 

 for planting demands a considerable expenditure. 

 Some of them belong to dealers who also work natural 

 yerbales elsewhere. They are, if possible, set up in the 

 forest, or at least on the fringe of it, in order to have a 

 good supply of wood to dry the leaves. Thus the 

 primitive industry of collecting mate is undergoing 

 transformation while the natural growths are dis- 

 appearing. 



