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  subject 
  to 
  the 
  disease 
  in 
  the 
  ordinary 
  form. 
  The 
  American 
  varie- 
  

   ties 
  which 
  have 
  been 
  originated 
  within 
  a 
  few 
  years, 
  the 
  Boone 
  and 
  

   the 
  Rochester, 
  I 
  am 
  not 
  prepared 
  to 
  say 
  anything 
  about 
  at 
  the 
  pres- 
  

   ent 
  time. 
  The 
  resistance 
  or 
  immunity 
  of 
  these 
  varieties 
  has 
  not 
  

   been 
  determined 
  so 
  far 
  as 
  my 
  own 
  work 
  is 
  concerned. 
  Of 
  the 
  

   European 
  varieties 
  we 
  have 
  a 
  great 
  many 
  and 
  they 
  produce, 
  as 
  a 
  

   rule, 
  the 
  large 
  chestnuts 
  of 
  the 
  market 
  and 
  are 
  known 
  under 
  various 
  

   names. 
  Some 
  are 
  scions 
  of 
  named 
  varieties 
  and 
  I 
  will 
  mention 
  some 
  

   of 
  the 
  more 
  prominent. 
  The 
  first 
  and 
  best 
  known, 
  perhaps, 
  is 
  the 
  

   Paragon 
  chestnut. 
  This 
  is 
  susceptible 
  to 
  the 
  disease 
  and 
  takes 
  it 
  in 
  

   almost 
  as 
  violent 
  a 
  form 
  as 
  does 
  the 
  American, 
  and 
  so 
  it 
  is 
  with 
  the 
  

   Eidgely, 
  a 
  nut 
  whicli 
  originated 
  near 
  Dover, 
  Delaware. 
  The 
  Dager 
  

   and 
  the 
  Scott 
  also 
  take 
  the 
  disease, 
  and 
  so 
  do 
  many 
  of 
  the 
  so- 
  

   called 
  French 
  varieties 
  — 
  the 
  Marron, 
  the 
  Marron 
  Combale, 
  the 
  

   Early 
  Marron 
  and 
  others 
  — 
  so 
  far 
  as 
  I 
  have 
  been 
  able 
  to 
  ascertain. 
  

   I 
  have 
  not 
  seen 
  very 
  many 
  Numbo 
  trees, 
  but 
  of 
  those 
  which 
  I 
  have 
  

   seen, 
  some 
  have 
  been 
  diseased. 
  Two 
  varieties, 
  which 
  I 
  have 
  seen 
  

   have 
  not 
  had 
  any 
  disease 
  upon 
  them. 
  One 
  of 
  these 
  I 
  saw 
  only 
  once 
  

   or 
  twice 
  and 
  was 
  unable 
  to 
  make 
  a 
  thorough 
  examination. 
  This 
  is 
  

   the 
  Darlington 
  chestnut 
  which 
  grows 
  near 
  West 
  Chester, 
  Pa. 
  I 
  

   have 
  no 
  reason 
  to 
  think 
  this 
  is 
  immune 
  in 
  any 
  way 
  to 
  the 
  disease 
  ; 
  

   all 
  I 
  can 
  say 
  is 
  that 
  I 
  have 
  not 
  yet 
  seen 
  the 
  disease 
  on 
  this 
  variety. 
  

   Another 
  variety 
  which 
  I 
  have 
  heard 
  a 
  great 
  deal 
  about 
  from 
  the 
  

   point 
  of 
  view 
  of 
  resisting 
  the 
  disease 
  is 
  the 
  Hannum. 
  I 
  don't 
  know 
  

   anything 
  about 
  this. 
  I 
  have 
  been 
  unable 
  to 
  locate 
  any 
  trees 
  Avhich 
  

   I 
  could 
  examine. 
  Now 
  these 
  are 
  all 
  the 
  varieties 
  of 
  the 
  European 
  

   or 
  American 
  sorts 
  that 
  I 
  care 
  to 
  speak 
  about, 
  and 
  we 
  can 
  say 
  that 
  

   they 
  are 
  all, 
  so 
  far 
  as 
  we 
  know, 
  with 
  the 
  possible 
  exception 
  of 
  the 
  

   one 
  or 
  two 
  last 
  mentioned, 
  subject 
  to 
  the 
  disease. 
  

  

  Now 
  let 
  me 
  turn 
  for 
  a 
  moment 
  to 
  two 
  other 
  types 
  of 
  chestnut. 
  

   First 
  the 
  chinquapin, 
  a 
  small 
  dwarf 
  chestnut 
  which 
  grows 
  in 
  the 
  

   southern 
  Atlantic 
  states 
  but 
  reaches 
  as 
  far 
  north 
  as 
  New 
  Jersey 
  and 
  

   perhaps 
  farther 
  for 
  all 
  I 
  know. 
  The 
  chinquapin 
  in 
  the 
  past 
  has 
  

   been 
  regarded 
  as 
  a 
  rather 
  resistant 
  species 
  and 
  m}' 
  own 
  observations 
  

   seem 
  to 
  bear 
  out 
  this 
  supposition. 
  I 
  have 
  seen 
  very 
  few 
  chinquapins 
  

   which 
  had 
  the 
  disease. 
  It 
  may 
  be 
  due 
  partly 
  to 
  the 
  fact 
  that 
  they 
  

   are 
  not 
  so 
  subject 
  to 
  the 
  attacks 
  of 
  insects 
  and 
  injuries 
  through 
  

   which 
  the 
  blight 
  might 
  gain 
  entrance, 
  or 
  it 
  may 
  be 
  due 
  to 
  the 
  resist- 
  

   ance 
  in 
  the 
  species 
  — 
  I 
  cannot 
  say 
  about 
  that. 
  I 
  had 
  an 
  opportunity 
  

   this 
  fall 
  to 
  see 
  the 
  Rush 
  chinquapin. 
  I 
  examined 
  these 
  trees 
  — 
  there 
  

   are 
  two 
  of 
  them 
  — 
  and 
  I 
  think 
  there 
  'is 
  no 
  question 
  but 
  that 
  they 
  are 
  

  

  