﻿436 
  Index 
  to 
  Ameritan 
  botanical 
  literature 
  

  

  Jackson^ 
  H. 
  S- 
  New 
  or 
  noteworthy 
  North 
  American 
  Ustilaginales. 
  

   Mycologia 
  12: 
  149-156. 
  5 
  Je 
  1920. 
  

  

  Urocystis 
  Trillii 
  sp. 
  nov. 
  and 
  two 
  new 
  combinations 
  in 
  Ustilaginaceae. 
  

  

  Jennings, 
  O. 
  E. 
  A 
  description 
  of 
  Cypripedium 
  passenmim. 
  Ann. 
  

   Carnegie 
  Mus. 
  12; 
  343, 
  344. 
  pL 
  5$?. 
  O 
  1919. 
  

  

  Johnston, 
  E. 
  S. 
  Nutrient 
  requirement 
  of 
  the 
  potato 
  plant. 
  Plant 
  

   World 
  22: 
  329-336./. 
  1-4. 
  27 
  Mr 
  19x9. 
  

  

  Judd, 
  C, 
  S. 
  The 
  Wiliwili 
  tree. 
  Hawaian 
  For, 
  & 
  Agr. 
  17: 
  95-97* 
  

   Ap 
  1920. 
  

  

  Kittredge, 
  E, 
  M. 
  Woodstock 
  plants. 
  Vermont 
  Bot. 
  & 
  Bird 
  Clubs 
  

   Bull. 
  6: 
  25, 
  26. 
  Ap 
  1920. 
  

  

  Korstian, 
  C. 
  F. 
  Native 
  vegetation 
  as 
  a 
  criterion 
  of 
  site. 
  Plant 
  

   . 
  World 
  22: 
  253-261. 
  II 
  Mr 
  1920. 
  

  

  Lee, 
  H. 
  A. 
  Behavior 
  of 
  the 
  citrus-canker 
  organism 
  in 
  the 
  soil. 
  Jour. 
  

   Agr. 
  Research 
  19: 
  189-205. 
  pL 
  j6, 
  37. 
  15 
  My 
  1920. 
  

  

  Lehmann, 
  E. 
  Neuere 
  Oenotherenarbeiten. 
  Zeitschr, 
  Bot. 
  12: 
  61-85- 
  

   /. 
  1-14. 
  1920. 
  

  

  Lloydj 
  C. 
  G. 
  Mycological 
  notes 
  62: 
  904-944. 
  /. 
  IS98-1747. 
  Ja 
  1920. 
  

  

  Includes 
  life 
  of 
  Dr. 
  J. 
  C. 
  Arthur 
  and 
  notes 
  on 
  the 
  genera 
  Tkamnomyces, 
  Cordy- 
  

   ceps, 
  Echinodothis, 
  Akurodiscus, 
  Poronia, 
  and 
  others. 
  

  

  r 
  

  

  MacCaughey, 
  V. 
  The 
  endemic 
  palms 
  of 
  Hawaii: 
  Pritchardia. 
  Plant 
  

   World 
  21: 
  317-328. 
  D 
  1918. 
  

  

  Mackie, 
  W. 
  W. 
  Head 
  smut 
  in 
  sorghum 
  and 
  maize. 
  Phytopathology 
  

   10: 
  307r 
  308. 
  I 
  Je 
  1920, 
  

  

  Markle, 
  M. 
  S. 
  Some 
  abnormalities 
  in 
  plant 
  structure. 
  Proc. 
  Indiana 
  

   Acad. 
  Sci. 
  1918: 
  1 
  17-124. 
  /. 
  i~-g, 
  ' 
  1919. 
  

  

  Marsh, 
  C. 
  D., 
  Clawson, 
  A. 
  B., 
  Couch, 
  J. 
  F., 
  & 
  Eggleston, 
  W. 
  W. 
  The 
  

   whorled 
  milkweed 
  {Acdepias 
  galioides) 
  as 
  a 
  poisonous 
  plant. 
  U. 
  S. 
  

   Dept. 
  Agr. 
  Bull. 
  800; 
  1-40. 
  pL 
  1-7 
  + 
  /. 
  1-4, 
  8 
  Je 
  1920. 
  

  

  McCool, 
  M. 
  M., 
  & 
  Millar, 
  C. 
  E* 
  Further 
  studies 
  on 
  the 
  freezing-point 
  

   lowering 
  of 
  soils 
  and 
  plants. 
  Soil 
  Sci. 
  9: 
  217-228. 
  pi. 
  i-j. 
  1920- 
  

  

  McCubbin, 
  W. 
  A. 
  The 
  brown 
  rot 
  of 
  stone 
  fruits. 
  Pennsylvania 
  

   Dept. 
  Agr. 
  Bull. 
  340: 
  3-8. 
  pL 
  j 
  + 
  /. 
  j. 
  1920. 
  

  

  Meinecke, 
  E. 
  P. 
  Facultative 
  heteroecism 
  in 
  Peridermium 
  cerebrum 
  

   and 
  Peridermium 
  hark.nessii. 
  Phytopathology 
  10: 
  279-297./. 
  /-2. 
  

   I 
  Jc 
  1920. 
  

  

  Moore, 
  H. 
  J. 
  The 
  fibrous 
  rooted 
  anemones. 
  Card. 
  Chron. 
  24: 
  209- 
  

   Je 
  1920, 
  

  

  Morgan, 
  E. 
  D. 
  A 
  Spring 
  day 
  in 
  Florida. 
  Vermont 
  Bot. 
  & 
  Bird 
  

   Clubs 
  Bull, 
  6: 
  9-12. 
  Ap 
  1920. 
  

  

  