﻿44 
  Index 
  to 
  American 
  botanical 
  literature 
  

  

  West, 
  E. 
  An 
  unde^cribed 
  timber 
  decay 
  of 
  hemlock. 
  Mycologla 
  ii* 
  

   262-266. 
  18 
  O 
  1919. 
  

  

  Whetzel, 
  H. 
  H. 
  Democratic 
  coordination 
  of 
  scientific 
  efiforts. 
  Science 
  

   • 
  II. 
  50: 
  51-55- 
  18 
  Jl 
  1919, 
  

  

  White, 
  O. 
  E. 
  Studies 
  of 
  teratological 
  phenomena 
  in 
  their 
  relation 
  to 
  

   evolution 
  and 
  the 
  problems 
  of 
  heredity. 
  — 
  11. 
  The 
  nature, 
  causes, 
  

   distribution, 
  and 
  inheritance 
  of 
  fasciation 
  with 
  special 
  reference 
  to 
  

   its 
  occurrence 
  in 
  Nicotiana. 
  Zeits. 
  Induk. 
  Abst. 
  und 
  Vererbungs- 
  

   lehre 
  16: 
  49-185. 
  /. 
  i-2p. 
  Je 
  1916. 
  

  

  Wieland, 
  G. 
  R. 
  La 
  flora 
  Liasica 
  de 
  la 
  Mixteca 
  Alta. 
  Bol. 
  Inst. 
  Geol. 
  

   Mexico 
  31: 
  1-165, 
  pl^ 
  i'5o+f,i-~9. 
  1914. 
  

  

  Fifty-four 
  new 
  species 
  in 
  various 
  genera 
  are 
  described. 
  

  

  Wieland, 
  G. 
  R. 
  

  

  18 
  Jl 
  1919. 
  

  

  Wieland. 
  G. 
  R. 
  

  

  The 
  needs 
  of 
  paleobotany. 
  Science 
  II. 
  50: 
  68, 
  69. 
  

  

  G. 
  R. 
  American 
  fossil 
  Cycads. 
  Vol. 
  II. 
  Taxonomy, 
  i-vii 
  

  

  77. 
  pi. 
  1-38 
  +/. 
  i-gy. 
  Washington. 
  28 
  Jl 
  1 
  916. 
  

   Carnegie 
  Inst. 
  Publ. 
  No. 
  34, 
  Vol. 
  II; 
  three 
  new 
  species 
  of 
  Cycadeoidea 
  are 
  

  

  described. 
  

  

  Wiggans, 
  C. 
  C 
  Some 
  factors 
  favoring 
  or 
  opposing 
  fruitfulness 
  in 
  

  

  apples. 
  

   S 
  1918. 
  

  

  /. 
  

  

  Wilcox, 
  E, 
  M. 
  Harvey 
  Elmer 
  Vasey. 
  Phytopathology 
  9: 
  299, 
  300 
  

  

  Jl 
  1919. 
  [Portrait.] 
  

  

  Wilson 
  

  

  Korea. 
  J 
  

  

  Wolf 
  

  

  2-43- 
  Jl 
  1919- 
  

   Clover 
  stem 
  rot. 
  N. 
  Carolina 
  Agr 
  

  

  Exp. 
  Sta. 
  Bull. 
  16: 
  1-18. 
  pi. 
  i~j. 
  J 
  

  

  Woodbum, 
  W. 
  L. 
  Cytological 
  phenomena 
  connected 
  with 
  sperm- 
  

   atogenesis 
  in 
  liver^vorts 
  and 
  mosses. 
  Trans. 
  Illinois 
  Acad. 
  Sci. 
  

   9: 
  138-143. 
  1916. 
  

  

  Young, 
  E. 
  Studies 
  in 
  Phyllosticta 
  and 
  Cercospora. 
  Trans. 
  Illinois. 
  

   Acad. 
  Sci. 
  8: 
  131, 
  132. 
  1915. 
  

  

  Young, 
  H. 
  C. 
  Seed 
  disinfection 
  for 
  pure 
  culture 
  work. 
  Ann. 
  Missouri 
  

  

  Bot. 
  Card. 
  6: 
  147-158. 
  Ap 
  1919. 
  

  

  Youngken, 
  H. 
  W. 
  Notes 
  on 
  the. 
  dasheen 
  and 
  cayote. 
  Am. 
  Jour 
  

   Pharm. 
  91: 
  498-510. 
  /. 
  7-75. 
  Au 
  1919. 
  

  

  