﻿550 
  Index 
  to 
  American 
  botanical 
  literature 
  

  

  Brown, 
  F. 
  B. 
  H. 
  The 
  refraction 
  of 
  light 
  in 
  plant 
  tissues. 
  Bull. 
  Torrey 
  

   Club 
  47: 
  243-260. 
  /. 
  1-4. 
  23 
  Je 
  1920. 
  

  

  Brown, 
  N. 
  A. 
  A 
  Pestalozzia 
  producing 
  a 
  tumor 
  on 
  the 
  sapodilla 
  tree 
  

  

  {AcJiras 
  Zapota 
  L.) 
  

  

  Pestalozzia 
  scirrofaciens 
  sp. 
  nov. 
  

  

  / 
  

  

  Bryan, 
  G. 
  S. 
  Early 
  stages 
  in 
  the 
  development 
  of 
  the 
  sporophyte 
  of 
  

  

  Sphagnum 
  suhsecnndiim. 
  Am. 
  Jour. 
  Bot. 
  7: 
  296-303. 
  /. 
  1-24. 
  6 
  Au 
  

   1920. 
  

  

  Chapman, 
  G. 
  H. 
  Tobacco 
  investigations. 
  Progress 
  report. 
  Mass. 
  

   Agr. 
  Exp. 
  Sta. 
  Bull. 
  195: 
  1-38. 
  pL 
  1-2 
  +/. 
  1-2. 
  1920. 
  

  

  I 
  

  

  Coe, 
  H. 
  S., 
  & 
  Martin, 
  J. 
  N. 
  Sweet-clover 
  seed. 
  U. 
  S. 
  Dept. 
  Agr. 
  

   Bull. 
  844: 
  1-39. 
  pi. 
  7-5. 
  1920. 
  

  

  Collins, 
  J. 
  F. 
  Notes 
  on 
  resistance 
  of 
  chestnuts 
  to 
  the 
  blight. 
  Phyto- 
  

   pathology 
  10: 
  368-371./. 
  1-2. 
  18 
  Au 
  1920. 
  

  

  Davidson, 
  A. 
  New 
  or 
  noteworthy 
  additions 
  to 
  the 
  flora 
  of 
  S. 
  California- 
  

   Bull., 
  S. 
  Calif. 
  Acad. 
  Sci. 
  19: 
  54-56. 
  Jl 
  1920. 
  

  

  Includes 
  Allium 
  montigenum 
  sp. 
  nov. 
  

  

  Denslow, 
  H. 
  M. 
  Further 
  reflections 
  of 
  an 
  orchid-hunter. 
  Jour. 
  

   N. 
  Y. 
  Bot. 
  Gard. 
  21: 
  145-156. 
  Au 
  1920. 
  

  

  Diaz, 
  C. 
  Explotaci6n 
  industrial 
  del 
  jume. 
  Univ. 
  Tucuman. 
  Inf. 
  

   Dept. 
  Tnvestig. 
  Tndustr. 
  7: 
  3-17. 
  1918. 
  [Illust.] 
  

  

  Jume 
  is 
  the 
  product 
  of 
  various 
  Amarantaceae, 
  especially 
  Spirostachys. 
  

  

  Dnimmond, 
  J. 
  R., 
  & 
  Hutchinson, 
  J. 
  A 
  revision 
  of 
  Isopyrum 
  (Ranun- 
  

   culaceae) 
  and 
  its 
  nearer 
  allies. 
  Kew 
  Bull. 
  1920: 
  145-169. 
  1920. 
  

  

  New 
  American 
  combinations 
  in 
  Enemion 
  (4) 
  and 
  Semiaquilegia 
  (i). 
  

  

  Edgerton, 
  C. 
  W., 
  & 
  Moreland, 
  C. 
  C. 
  Tomato 
  Wilt. 
  Louisiana 
  Agr. 
  

   Exp. 
  Sta. 
  Bull. 
  174: 
  1-54./. 
  1-54. 
  J. 
  i-ig. 
  Ap 
  1920. 
  

  

  Fairman, 
  C. 
  E. 
  The 
  ascomycetous 
  flora 
  of 
  human 
  excreta, 
  pp. 
  i-io. 
  

   P^- 
  ^ 
  +f- 
  3- 
  Lyndonville, 
  N. 
  Y. 
  30 
  Jl 
  1920. 
  

  

  Includes 
  Cyclindrocolla 
  faecalis 
  sp. 
  nov. 
  

  

  Pawcett, 
  H. 
  S. 
  Pythiacystis 
  and 
  Phytophthora. 
  Phytopathology 
  10: 
  

  

  397-399- 
  2 
  S 
  1920. 
  

  

  Fernald, 
  M. 
  L. 
  Pyrola 
  rotundijolia 
  and 
  P. 
  americana. 
  Rhodora 
  22: 
  

   121-123. 
  3 
  Au 
  1920. 
  

  

  Forms 
  P. 
  rolundifolia 
  var. 
  americana 
  (Sweet), 
  comb. 
  nov. 
  

  

  Harlan, 
  H. 
  V. 
  Daily 
  developments 
  of 
  kernels 
  of 
  Hannchen 
  barley 
  

  

  from 
  flowering 
  to 
  maturity 
  at 
  Aberdeen, 
  Idaho. 
  Jour. 
  Agr. 
  

  

  Research 
  19: 
  393-429- 
  pl- 
  Sj-gi 
  +/. 
  j-77. 
  2 
  Au 
  1920. 
  

   Harlan, 
  H. 
  V. 
  Development 
  of 
  barley 
  kernels 
  in 
  normal 
  and 
  clipped 
  

  

  spikes 
  and 
  the 
  limitations 
  of 
  awnless 
  and 
  hooded 
  varieties. 
  Jour. 
  

  

  Agr. 
  Research, 
  19: 
  431-472./. 
  i-jj. 
  2 
  Au 
  1920. 
  

  

  