﻿198 
  Index 
  to 
  American 
  botanical 
  literature 
  

  

  Trelease, 
  W. 
  Nectar 
  and 
  nectar 
  secretion. 
  Am. 
  Bee 
  Jour. 
  59: 
  

   405-408. 
  D 
  1919. 
  [IIlust.[ 
  

  

  Truog, 
  E., 
  & 
  Meachem, 
  M. 
  R. 
  Soil 
  acidity— 
  II. 
  Its 
  relation 
  to 
  the 
  

   plant 
  juice. 
  50118^.7:469-474. 
  Je 
  1919. 
  

  

  TuUsen, 
  H. 
  The 
  haunts 
  of 
  a 
  naturalist. 
  Am. 
  Bot. 
  25: 
  137-144- 
  

  

  N 
  1919. 
  

   Waksman 
  

  

  8: 
  71-207. 
  ph. 
  1-4. 
  Au 
  1 
  919, 
  

  

  Actinomyces 
  reliculus-ruher 
  sp. 
  nov. 
  

  

  * 
  

  

  Cultural 
  studies 
  of 
  species 
  of 
  Actinomyces. 
  Soil 
  Sci 
  

  

  Walcott, 
  C. 
  D. 
  Cambrian 
  geology 
  and 
  paleontology— 
  IV. 
  No. 
  5.— 
  

   Middle 
  Cambrian 
  algae. 
  Smithsonian 
  Misc. 
  Col. 
  67: 
  217-260. 
  

   P^- 
  43-59- 
  26 
  D 
  1919. 
  

  

  Morania, 
  Marpolia, 
  Yuknessia. 
  Waputikia, 
  Dalyia, 
  Wahpia 
  and 
  Bosworthia. 
  

   gen. 
  nov., 
  and 
  21 
  new 
  species 
  in 
  various 
  genera. 
  

  

  Walker, 
  J. 
  C. 
  Onion 
  diseases 
  and 
  their 
  control. 
  U. 
  S. 
  Dept. 
  Agr. 
  

   Farm. 
  Bull. 
  1060: 
  1-23./. 
  1-12. 
  N 
  1919. 
  

  

  Weatherby, 
  C. 
  A. 
  A 
  neglected 
  character 
  in 
  the 
  beech-ferns. 
  Am. 
  

   Fern. 
  Jour. 
  9: 
  121-122. 
  24 
  Ja 
  1920. 
  

  

  Weatherby, 
  C. 
  A. 
  Records 
  of 
  monomorphic 
  Equisetum 
  telmateia. 
  

   Am. 
  Fern 
  Jour. 
  9: 
  122-123. 
  24 
  Ja 
  1920. 
  

  

  Weaver, 
  J. 
  E., 
  & 
  Mogensen, 
  A. 
  Relative 
  transpiration 
  of 
  coniferous 
  

   and 
  broad.-leaved 
  trees 
  in 
  autumn 
  and 
  winter. 
  Bot. 
  Gaz. 
  68; 
  

   393-424- 
  /■ 
  1-18. 
  20 
  D 
  1919. 
  . 
  

  

  Weimer, 
  J. 
  L. 
  Variations 
  in 
  Pleurage 
  curvicolla 
  (Wint.) 
  Kuntze. 
  

   Am. 
  Jour. 
  Bot. 
  6: 
  406-409. 
  7 
  Ja 
  1920. 
  

  

  Wiel^d, 
  G. 
  R. 
  Further 
  notes 
  on 
  Ozarkian 
  seaweeds 
  and 
  oolites. 
  

  

  Bull. 
  Am. 
  Mus. 
  Nat. 
  Hist. 
  33: 
  237-260. 
  pi. 
  14-ig. 
  14 
  Ap 
  1914. 
  

   Wieland. 
  G. 
  R. 
  

  

  Classification 
  of 
  the 
  Cycadophyta. 
  Am. 
  J 
  

   /■ 
  -f-J- 
  Je 
  1919. 
  

  

  WiUaman, 
  J. 
  J., 
  and 
  others. 
  Notes 
  on 
  the 
  composition 
  of 
  the 
  sorghum 
  

   plant. 
  Jour. 
  Agr. 
  Research 
  18: 
  1-31. 
  /. 
  i~i8. 
  1 
  1919. 
  

  

  Wilson, 
  E. 
  H. 
  The 
  Bonin 
  Islands 
  and 
  their 
  ligneous 
  vegetation. 
  

  

  J 
  

   Wilson 
  

  

  i: 
  97-121. 
  O 
  1919. 
  

   The 
  romance 
  of 
  the 
  trees. 
  Card. 
  Mag. 
  30: 
  90-95 
  

  

  O 
  1919. 
  [Illust.f 
  

  

  Wilson, 
  E. 
  H. 
  The 
  cedar 
  of 
  Lebanon." 
  Card. 
  Mag. 
  30: 
  178-18 
  

   D 
  1919. 
  [Illust.] 
  

  

  Winslow, 
  E. 
  J. 
  Willoughby 
  Lake, 
  Vt., 
  a 
  candidate 
  for 
  the 
  title 
  of 
  

   " 
  Richest 
  Fern 
  Locality." 
  Am. 
  Fern 
  Jour. 
  9: 
  107-109. 
  24 
  Ja 
  1920. 
  

  

  