﻿57 
  

  

  This 
  fungus 
  is 
  known 
  as 
  Cryptosporella 
  anomala. 
  It 
  was 
  described 
  

   as 
  Diatrypc 
  anomala 
  by 
  Peck 
  of 
  Albany, 
  N. 
  Y., 
  but 
  was 
  afterwards 
  

   found 
  to 
  belong 
  to 
  another 
  genus. 
  There 
  have 
  been 
  two 
  or 
  three 
  

   articles 
  published 
  on 
  it, 
  the 
  best 
  one 
  probably 
  by 
  Humphrey 
  in 
  

   Massacliusetts. 
  I 
  have 
  an 
  abstract 
  of 
  that 
  which 
  can 
  be 
  copied 
  in 
  

   the 
  proceedings, 
  if 
  j^ou 
  wish. 
  

   (See 
  Appendix.) 
  

  

  The 
  fact 
  that 
  this 
  Cryptosporella 
  is 
  related 
  to 
  the 
  black 
  knot 
  of 
  

   the 
  plum 
  is 
  an 
  interesting 
  feature 
  ; 
  and 
  that 
  it 
  attacks 
  the 
  growing 
  

   canes 
  during 
  the 
  growing 
  season 
  and 
  fruit 
  during 
  the 
  fall 
  and 
  

   winter. 
  He 
  suggests 
  the 
  treatment 
  of 
  removing 
  all 
  the 
  infected 
  

   branches 
  during 
  the 
  fall 
  and 
  winter. 
  I 
  would 
  add 
  to 
  that, 
  complete 
  

   eradication 
  of 
  all 
  diseased 
  branches 
  of 
  the 
  host, 
  and 
  they 
  are 
  rather 
  

   easily 
  seen, 
  in 
  the 
  fall 
  as 
  soon 
  as 
  the 
  leaves 
  are 
  off 
  — 
  then 
  a 
  thorough 
  

   spraying 
  Avith 
  strong 
  Bordeaux 
  mixture, 
  at 
  least 
  5-5-50, 
  preferably 
  

   stronger 
  than 
  that, 
  of 
  course 
  burning 
  all 
  the 
  material 
  that 
  you 
  cut 
  

   out. 
  One 
  is 
  at 
  a 
  disadvantage 
  if 
  there 
  are 
  wild 
  hazelnuts 
  in 
  the 
  

   neighborhood. 
  How 
  to 
  handle 
  that 
  problem 
  I 
  am 
  hardly 
  prepared 
  

   to 
  state 
  ; 
  perhaps, 
  by 
  eradication 
  of 
  the 
  wild 
  hazelnut 
  in 
  the 
  vicinity. 
  

  

  The 
  Secretary 
  : 
  I 
  think 
  that 
  would 
  be 
  impossible 
  in 
  most 
  

   regions. 
  

  

  Professor 
  Waite 
  : 
  Mr. 
  Kerr 
  had 
  his 
  growing 
  on 
  the 
  eastern 
  

   shore 
  on 
  an 
  island 
  where 
  there 
  are 
  no 
  wild 
  hazelnuts 
  and 
  they 
  were 
  

   not 
  attacked 
  by 
  the 
  fungus. 
  

  

  A 
  Member 
  : 
  They 
  are 
  all 
  dead 
  now. 
  

  

  Professor 
  "Waite 
  : 
  The 
  number 
  of 
  sprayings 
  during 
  a 
  season 
  is 
  

   an 
  undetermined 
  question. 
  It 
  will 
  be 
  necessary, 
  probably, 
  to 
  spray 
  

   two 
  or 
  three 
  times. 
  You 
  can 
  certainly 
  protect 
  the 
  two-year 
  wood 
  in 
  

   that 
  way 
  by 
  making 
  a 
  fall 
  spraying 
  and 
  a 
  spring 
  spraying. 
  This 
  

   will 
  keep 
  them 
  thoroughly 
  covered 
  with 
  Bordeaux 
  mixture 
  but 
  

   whether 
  or 
  not 
  three 
  or 
  four 
  sprayings 
  are 
  necessary 
  remains 
  to 
  be 
  

   tested. 
  

  

  The 
  Chairman 
  : 
  Are 
  any 
  varieties 
  of 
  European 
  hazels 
  immune 
  ? 
  

  

  Professor 
  Waite 
  : 
  I 
  have 
  not 
  studied 
  them 
  enough 
  to 
  answer 
  

   that 
  question. 
  I 
  don't 
  know. 
  They 
  all 
  seem 
  to 
  go 
  down. 
  Perhaps 
  

   Dr. 
  Deming 
  can 
  answer. 
  

  

  The 
  Secretary 
  : 
  I 
  don 
  't 
  know. 
  

  

  Professor 
  Waite 
  : 
  I 
  think 
  that 
  is 
  all 
  I 
  want 
  to 
  say, 
  except 
  one 
  

   thing, 
  and 
  that 
  is 
  about 
  the 
  physiological 
  aspect 
  of 
  these 
  diseases. 
  

   I 
  touched 
  upon 
  that 
  phase 
  in 
  discussing 
  the 
  matter 
  of 
  environment 
  in 
  

   the 
  introduction 
  of 
  foreigners 
  to 
  places 
  where 
  they 
  are 
  not 
  adapted. 
  

   In 
  some 
  particular 
  seasons 
  and 
  circumstances 
  even 
  the 
  native 
  trees 
  

  

  