﻿366 
  Index 
  to 
  American 
  botaxical 
  literature 
  

  

  Nash, 
  G. 
  V. 
  Benzom 
  aestivale. 
  Addisonia 
  5: 
  15, 
  16. 
  pi. 
  168, 
  31 
  Mr 
  

   1920. 
  

  

  Nash, 
  G. 
  V. 
  Rosa 
  ''Dn 
  Van 
  Fleet." 
  Addisonia 
  5: 
  7, 
  8. 
  pL 
  164. 
  

   31 
  Mr 
  1920. 
  

  

  Nash, 
  G, 
  V. 
  Vibnrnum 
  dilatatiim. 
  Addisonia 
  5: 
  i, 
  2. 
  pL 
  161. 
  31 
  

   Mr 
  1920. 
  

  

  Nelson, 
  J. 
  C. 
  Tilia 
  enropaea 
  in 
  Oregon. 
  Torreya 
  20: 
  31, 
  32. 
  4 
  Je 
  

  

  1920. 
  

  

  Osborne, 
  T. 
  B., 
  & 
  Wakeman, 
  A. 
  J. 
  The 
  proteins 
  of 
  green 
  leaves. 
  

  

  I. 
  Spinach 
  leaves. 
  Jour. 
  Biol. 
  Chem. 
  42: 
  1-26. 
  My 
  1920. 
  

   Palmer, 
  E. 
  J. 
  

  

  Tour. 
  Arnolc 
  

  

  E. 
  J. 
  The 
  canyon 
  flora 
  of 
  the 
  Edwards 
  plateau 
  of 
  Texas. 
  

   . 
  Arnold 
  Arboretum 
  i: 
  233-239. 
  Ap 
  1920. 
  

  

  Pennell, 
  F. 
  W. 
  Scrophulariaceae 
  of 
  the 
  central 
  Rocky 
  Mountain 
  

   states. 
  Contr. 
  U. 
  S. 
  Nat. 
  Herb. 
  20: 
  313-381. 
  30 
  Ap 
  1920. 
  

  

  Includes 
  27 
  new 
  species 
  in 
  Penstemon. 
  

  

  Pickler, 
  W. 
  E. 
  Water 
  content 
  and 
  temperature 
  as 
  factors 
  influencing 
  

   diastase 
  formation 
  In 
  the 
  barley 
  grain. 
  Plant 
  World 
  22: 
  221-238. 
  

   Au 
  1919. 
  

  

  Piper, 
  C. 
  V. 
  The 
  jack 
  bean. 
  U. 
  S. 
  Dept. 
  Agr. 
  Circ. 
  92: 
  3-12. 
  /. 
  i. 
  

  

  Ap 
  1920. 
  

  

  Raber, 
  O. 
  L. 
  A 
  quantitative 
  study 
  of 
  the 
  effect 
  of 
  anions 
  on 
  the 
  permea- 
  

   bility 
  of 
  plant 
  cells. 
  Jour. 
  Gen. 
  Physiol. 
  2: 
  535-539. 
  /• 
  ^-2. 
  20 
  

   My 
  1920. 
  

  

  Rand, 
  F. 
  V., 
  & 
  Enlows, 
  E. 
  M. 
  A. 
  Bacterial 
  wilt 
  of 
  cucurbits. 
  U. 
  S. 
  

   Dept. 
  Agr. 
  Bull. 
  828: 
  1-43. 
  pi. 
  1-4 
  +/. 
  i-io. 
  10 
  My 
  1920. 
  

  

  Rand, 
  F, 
  V., 
  & 
  Pierce, 
  W. 
  D. 
  A 
  coordination 
  of 
  our 
  knowledge 
  of 
  

   insect 
  transmission 
  in 
  plant 
  and 
  animal 
  diseases, 
  Phyto'pathology 
  

  

  10: 
  189-231. 
  10 
  IMy 
  1920. 
  ^ 
  

  

  Reed, 
  H. 
  S. 
  The 
  nature 
  of 
  the 
  growth 
  rate. 
  Jour. 
  Gen. 
  Physiol. 
  2: 
  

   545-561./. 
  1-6. 
  20 
  My 
  1920. 
  

  

  Reed, 
  H. 
  S. 
  Volney 
  Morgan 
  Spalding, 
  Plant 
  World 
  22: 
  14-18. 
  

  

  Ja 
  1919. 
  

  

  aim 
  

  

  ., 
  F. 
  F. 
  The 
  evidence 
  for 
  a 
  growth-inhibiting 
  

   substance 
  in 
  the 
  pear 
  tree. 
  Plant 
  World 
  22: 
  239-247. 
  Au 
  1919. 
  

  

  Rehder, 
  A. 
  The 
  American 
  and 
  Asiatic 
  species 
  of 
  sassafras. 
  Jour. 
  

   Arnold 
  Arboretum 
  i: 
  242-245. 
  Ap 
  1920. 
  

  

  Includes 
  Sassafras 
  randaiense 
  comb. 
  nov. 
  

  

  Richardson, 
  W. 
  D. 
  The 
  ash 
  of 
  dune 
  plants. 
  Science 
  IL 
  51 
  : 
  546-551. 
  

   28 
  My 
  1920. 
  

  

  