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  INTRODUCTION 
  TO 
  BOTANY 
  

  

  COLLATERAL 
  READING 
  

  

  The 
  names 
  Yearbook, 
  /'"//// 
  /-.>' 
  1 
  1 
  nil 
  < 
  tin, 
  Huthtin 
  . 
  . 
  ., 
  Bureau 
  of 
  Plant 
  

   Industry, 
  as 
  used 
  in 
  tin- 
  list 
  given 
  below, 
  sill 
  refer 
  to 
  the 
  publications 
  of 
  

   the 
  I'niled 
  States 
  Depart 
  ment 
  of 
  Agriculture. 
  

  

  A 
  very 
  detailed 
  list 
  of 
  books 
  and 
  articles 
  on 
  plant 
  breeding 
  will 
  be 
  

   found 
  in 
  Bailey, 
  Plant 
  Breeding. 
  The 
  Macmillan 
  Company, 
  New 
  York. 
  

   Some 
  titles 
  not 
  already 
  referred 
  to 
  in 
  this 
  chapter 
  are 
  as 
  follows 
  : 
  l 
  

  

  GENERAL 
  

  

  Yearbook, 
  1898, 
  "The 
  Improvement 
  of 
  Plants 
  by 
  Selection." 
  

   Yearbook, 
  1906, 
  "The 
  Art 
  of 
  Seed 
  Selection 
  ami 
  Breeding." 
  

   I-'nriners' 
  Bulletin 
  334, 
  "Plant 
  Breeding 
  on 
  the 
  Farm." 
  

   flu/If 
  tin 
  1<;7, 
  Bureau 
  of 
  Plant 
  Industry, 
  "New 
  Methods 
  of 
  Plant 
  

  

  Breeding." 
  

   Cyclopaedia 
  of 
  American 
  Horticulture, 
  article 
  "Plant 
  Breeding." 
  The 
  

  

  Macmillan 
  Company, 
  New 
  York. 
  

   Cyclopaedia 
  of 
  American 
  Agriculture, 
  article 
  " 
  Plant 
  Breeding." 
  The 
  

  

  Macmillan 
  Company, 
  New 
  York. 
  

   Davenport, 
  The 
  Principles 
  of 
  Breeding. 
  Ginn 
  and 
  Company, 
  Boston. 
  

  

  SPECIAL 
  

  

  Farmers' 
  Bulletin 
  229, 
  " 
  Production 
  of 
  Good 
  Seed 
  Corn." 
  

   Yearbook, 
  1906, 
  "Corn-Breeding 
  Work 
  at 
  the 
  Experiment 
  Stations." 
  

   Yearbook, 
  1902, 
  " 
  Improvement 
  of 
  Cotton 
  by 
  Seed 
  Selection." 
  

   /'</////< 
  />' 
  llnlletin 
  342, 
  " 
  Potato 
  Breeding." 
  

  

  PROBLEMS 
  

  

  1. 
  In 
  which 
  kind 
  of 
  plants 
  annual, 
  biennial, 
  or 
  perennial 
  can 
  

  

  plant-breeding 
  results 
  be 
  most 
  rapidly 
  attained? 
  \\\\\ 
  ''. 
  

  

  2. 
  In 
  what 
  kind 
  of 
  plants--- 
  those 
  propagated 
  by 
  seeds 
  or 
  those 
  

   I 
  propagated 
  by 
  vegetative 
  means 
  are 
  the 
  results 
  of 
  plant 
  breeding 
  

   most 
  readily 
  perpetuated 
  ? 
  

  

  3. 
  If 
  you 
  were 
  asked 
  to 
  originate 
  a 
  new 
  variety 
  of 
  string 
  beans, 
  

   how 
  would 
  you 
  go 
  to 
  work 
  ? 
  

  

  4. 
  Is 
  plant 
  breeding 
  easier 
  with 
  plants 
  that 
  have 
  many 
  well-defined 
  

   and 
  permanent 
  varieties 
  or 
  with 
  those 
  that 
  have 
  no 
  such 
  varieties? 
  

   Illustrate. 
  

  

  1 
  The 
  number 
  of 
  valuable 
  bulletins 
  published 
  by 
  the 
  agricultural 
  experi- 
  

   ment 
  stations 
  of 
  the 
  several 
  states 
  is 
  so 
  greal 
  that 
  no 
  attempt 
  is 
  here 
  m.a.d. 
  

   to 
  cite 
  them. 
  

  

  