Sec.  3.  The  middle  of  said  shelter-belt  shall  be,  as  near  as  may  be,  on  the  outer  lino
of  the  highway,  as  it  existed  before  the  belt  was  ordered,  and  the  outer  rows  shall  be
set  opposite  the  spaces  of  the  middle  row,  so  as  to  best  secure  the  objects  for  which  the
planting  is  done.  A  sufficient  fence  for  the  temporary  protection  of  the  plantation
while  young,  may  be  built  within  the  limits  of  the  highway,  not  more  than  one  rod
from  the  middle  line  of  the  proposed  screen.
Sec.  4.  The  planting,  protection,  and  maintenance  of  such  shelter-belt  shall  thence-
forth be  a  public  charge,  in  the  same  manner  as  the  repairs  and  mainteuauce  of  the
public  highways.  It  shall  be  discretionary  with  the  commissioners  of  highways  to
apply  the  assessment  of  labor,  of  the  owner  of  adjacent  landp,  to  the  planting  and  caro
of  such  shelter-belt,  or  to  contract  with  some  person  skilled  in  the  care  of  trees,  .is  1  hey
may  deem  most  effectual,  for  securing  its  proper  growth  and  maintenance.  They  shall
be  required  to  submit  at  the  annual  town  meeting,  a  written  report,  with  a  i-tatemeut
of  expenses  incurred  on  this  account,  and  such  recommendations  as  they  may  deem
proper  concerning  it.
