﻿224 
  Index 
  to 
  American 
  botanical 
  literature 
  

  

  Botjes, 
  J. 
  O. 
  Raising 
  phloem-necrosis 
  and 
  mosaic-free 
  potatoes, 
  and 
  a 
  

   source 
  of 
  infection 
  whose 
  nature 
  has 
  not 
  yet 
  been 
  elucidated. 
  

   Phytopathology 
  lo: 
  48, 
  49. 
  1920. 
  

  

  Britton, 
  E. 
  G. 
  Mosses 
  of 
  Bermuda. 
  Bryologist 
  22: 
  87. 
  1920. 
  

  

  Bruner, 
  E. 
  M. 
  El 
  problema 
  forestal 
  de 
  Puerto 
  Rico. 
  Rev. 
  Agr. 
  

   Puerto 
  Rico 
  3: 
  i-ii. 
  D 
  1919. 
  

  

  Buchholz, 
  J. 
  T. 
  Polyembryony 
  among 
  Abietineae. 
  Bot. 
  Gaz. 
  69: 
  

   153-167./. 
  /-J5. 
  16 
  F 
  1920. 
  

  

  Butterfield, 
  W. 
  M. 
  A 
  vegetable 
  manufacturer 
  of 
  decorated 
  glass. 
  

   Some 
  remarkable 
  facts 
  about 
  the 
  diatoms 
  found 
  in 
  the 
  so-called 
  

   infusorial 
  earth. 
  Sci. 
  Am. 
  II. 
  51: 
  116, 
  122-124. 
  31 
  Ja 
  1920. 
  

  

  Campbell, 
  D. 
  H. 
  Studies 
  in 
  some 
  East 
  Indian 
  Hepaticae. 
  Calobryiim 
  

   Blumei, 
  N. 
  ab 
  E, 
  Ann. 
  Bot. 
  34: 
  1-12. 
  pL 
  i. 
  Ja 
  1920. 
  

  

  Candolle, 
  C. 
  de. 
  New 
  species 
  of 
  Piper 
  from 
  Panama. 
  Smiths. 
  Misc. 
  

   Coll. 
  71^: 
  i-i;, 
  12 
  F 
  1920. 
  

  

  27 
  new 
  species- 
  

  

  Clinton, 
  G. 
  P. 
  William 
  Gilson 
  Farlow. 
  Phytopathology 
  10: 
  1-8. 
  

  

  pL 
  I. 
  1920. 
  

  

  Conard, 
  H. 
  S* 
  The 
  general 
  classification 
  of 
  higher 
  plants. 
  Proc. 
  

   Iowa 
  Acad. 
  Sci. 
  25: 
  237-240. 
  1919, 
  

  

  Conard, 
  H. 
  S. 
  The 
  white 
  water 
  lily 
  of 
  McGregor, 
  Iowa. 
  Proc. 
  

   Iowa 
  Acad. 
  Sci. 
  25: 
  235-236. 
  pi. 
  2. 
  1919. 
  

  

  Cratty, 
  R. 
  I. 
  Notes 
  on 
  an 
  introduced 
  woodland 
  flora. 
  Proc. 
  Iowa 
  

   Acad. 
  Sci. 
  25: 
  411, 
  412. 
  1919. 
  

  

  A. 
  Informe 
  de 
  la 
  division 
  y 
  servicio 
  de 
  inspeccion 
  de 
  

   plantas 
  correspondiente 
  al 
  mes 
  de 
  Noviembre 
  de 
  191 
  9. 
  Rev. 
  

  

  M 
  

  

  50-57 
  

  

  ^' 
  

  

  w 
  

  

  The 
  northern 
  Cherokee 
  rose 
  {Rosa 
  spinosissima 
  altaica) 
  

  

  Am. 
  Rose 
  Annual 
  1919: 
  22, 
  23. 
  15 
  Mr 
  1919. 
  

  

  Farwell 
  

  

  specimens. 
  T 
  

  

  Chloretone 
  water: 
  a 
  new 
  preservative 
  of 
  biological 
  

   our. 
  Am. 
  Pharm. 
  Assoc. 
  8: 
  1053, 
  1054. 
  D 
  1919. 
  

   Fenzi, 
  E. 
  O. 
  Frutti 
  tropicali 
  e 
  semitropicali. 
  Agr. 
  Coloniale 
  9: 
  

  

  40-53. 
  97-116, 
  167-182, 
  250-304, 
  359-373. 
  420-449, 
  481-515, 
  

  

  557-568, 
  620-634, 
  681-698. 
  /. 
  j-5^. 
  1915. 
  

  

  Fitzpatrick, 
  T. 
  J. 
  The 
  fern 
  flora 
  of 
  northeastern 
  Iowa. 
  Proc. 
  Iowa 
  

   Acad. 
  Sci. 
  25: 
  417-421. 
  1919, 
  

  

  Gleason, 
  H. 
  A. 
  Some 
  applications 
  of 
  the 
  quadrat 
  method. 
  Bull. 
  

   Torrey 
  Club 
  47: 
  21-33. 
  .18 
  F 
  1920. 
  

  

  