Potato  Disease ; Tomato  Diseases. 
105 
fresh  soil,  containing'  a goodly  proportion  of  lime,  and  plant 
afresh. 
The  third  disease  ( Cladosporium  Lycopersici)  is  a dark- 
brown  sj)ot  upon  the  green  or  ripe  fruit.  At  first  it  is 
exceedingly  small,  hut  it  soon  increases  in  size,  and  spoils  the 
fruit.  Drastic  measures  must  he  ado})ted,  and  the  affected 
fruit  picked  off  and  hurned.  The  disease  propagates  itself 
ra])idly  hy  spreading  innumerahle  s])ores  all  around.  Spraying 
the  plants  when  in  flower  with  tlie  solution  of  sulphide  of 
])otassium  is  said  to  arrest  the  spread  of  the  disease.  Wherever 
it  has  once  been,  if  under  glass,  the  glass  and  woodwork  should 
he  washed,  the  wall  lime-washed,  and  the  soil  removed.  All 
living  things,  plant  and  animal,  should  he  removed  from  the 
house,  and  it  should  he  filled  with  strong  fumes  of  burning 
sulphur.  A fn'sh  site  should  he  given  to  outdoor  tomatoes, 
and  caustic  lime  freely  a])])lied  to  the  old  site. 
James  Udale. 
Droit  wicli. 
