345 
duration.  During  his  trip  Mr.  Rock  was  able  to  collect  a very 
considerable  number  of  botanical  specimens  of  rare  trees  and 
shrubs,  and  also  to  collect  much  seed  of  Hawaiian  plants  that 
will  be  exceedingly  useful  for  exchange  purposes. 
Very  respectfully, 
RALPH  S.  HO'SMER, 
Superintendent  of  Forestry. 
Honolulu,  Hawaii,  July  31,  1909. 
Hon.  Marston  Campbell, 
President  and  Executive  Officer, 
Board  of  Agriculture  and  Forestry, 
Honolulu. 
Dear  Sir: — In  the  absence  of  Mr.  Hosmer  I herewith  present 
to  you  a report  of  the  work  that  has  been  done  during  the 
month  of  July. 
Advice  and  Assistance. 
At  the  request  of  Mr.  Weinzheimer,  manager  of  the  Pioneer 
Mill  Company,  at  Lahaina,  the  writer  paid  a visit  to  that 
place  on  July  7.  The  visit  was  made  for  the  purpose  of  exam- 
ining several  tracts  of  land  in  the  Kaanapali  section  of  the 
plantation  intended  to  be  planted  in  trees.  The  lands  intended 
to  be  planted  include  several  gulches,  also  a tract  containing 
about  50  acres  between  Waihakula  and  Kahama  gulches.  A 
report  with  recommendations  has  been  drawn  up,  a copy  of 
which  has  been  sent  to  Mr.  Weinzheimer,  and  the  original 
placed  on  file  in  this  office. 
After  leaving  Mr.  Weinzheimer  a visit  was  made  to  Olo- 
walu  where  along  with  Manager  George  Gibb,  an  examina- 
tion was  made  of  a tract  of  barren  land  close  by  the  sea  shore. 
This  land  is  practically  destitute  of  vegetation  of  any  kind  and 
the  wind  is  gradually  blowing  the  soil  out  to  sea.  The  land 
is  more  or  less  salty,  it  being  at  times  during  high  tides  cov- 
ered with  sea  water.  The  planting  of  Ironwood  trees  ( Casu 
arina  equisetifolia)  was  recommended  for  the  tract 
The  writer  visited  Wailuku  after  leaving  Olowalu  where, 
along  with  Manager  Penhallow,  an  examination  was  made  of 
the  extensive  tree  planting  that  is  being  done  on  that  planta- 
tion. A well  established  nursery  is  kept  stocked  with  different 
kinds  of  trees  suitable  for  the  various  locations  intended  to 
be  planted.  The  work  that  is  being  done  in  tree  planting  by 
