﻿438 
  Index 
  to 
  American 
  botanical 
  literature 
  

  

  Ramaley, 
  F, 
  Some 
  mountain 
  plant 
  communities 
  of 
  sandy 
  soil. 
  Plant 
  

   World 
  22: 
  313-327./. 
  /-j. 
  27 
  Mr 
  1919. 
  

  

  Rickett, 
  H. 
  W. 
  The 
  development 
  of 
  the 
  thallus 
  of 
  Sphaerocarpos 
  

   Donnellii 
  Aust. 
  Am. 
  Jour. 
  Bot. 
  7: 
  182-192- 
  pL 
  g-12 
  +/• 
  -T* 
  

   I 
  Je 
  1920, 
  

  

  Rock, 
  J, 
  F. 
  The 
  genus 
  Plantago 
  in 
  Hawaii. 
  Am. 
  Jour. 
  Bot. 
  7: 
  

   195-210. 
  pL 
  ij. 
  I 
  Je 
  1920. 
  

  

  Two 
  new 
  varieties. 
  

  

  Rock, 
  J. 
  F. 
  Poisonous 
  plants 
  of 
  Hawaii 
  (concluded). 
  Hawaiian 
  For. 
  

   & 
  Agr. 
  17: 
  97-101. 
  Ap 
  1920. 
  

  

  Rolfe, 
  R. 
  A. 
  Pleurothallis 
  piinctulata, 
  Bot. 
  Mag. 
  pL 
  8Sjg. 
  Mr 
  1920. 
  

  

  Rolfe, 
  R. 
  A- 
  Stanliopea 
  costaricensis, 
  Bot. 
  Mag. 
  pL 
  8830, 
  Mr 
  1920. 
  

  

  Rorer, 
  J. 
  B. 
  The 
  anthracnose 
  of 
  the 
  mango. 
  Trinidad 
  & 
  Tobago 
  

   Dept. 
  Agr. 
  Bull. 
  14: 
  164-171. 
  pL 
  j. 
  1915. 
  

  

  Rorer, 
  J. 
  B. 
  Citrus 
  canker. 
  Trinidad 
  & 
  Tobago 
  Dept. 
  Agr. 
  Bull. 
  14: 
  

  

  130. 
  131- 
  1915. 
  

  

  Rorer, 
  J. 
  B. 
  Coconut 
  bud-rot. 
  Trinidad 
  & 
  Tobago 
  Dept. 
  Agr. 
  Bull. 
  

   14: 
  129, 
  130. 
  1915. 
  

  

  Rorer, 
  J. 
  B. 
  A 
  disease 
  of 
  immortel 
  trees. 
  " 
  Trinidad 
  & 
  Tobago 
  Dept. 
  

   Agr. 
  Bull. 
  14: 
  128, 
  129. 
  1915. 
  

  

  Rorer, 
  J. 
  B. 
  The 
  fungous 
  diseases 
  of 
  the 
  avocado. 
  Trinidad 
  & 
  

   Tobago 
  Dept. 
  Agr. 
  Bull. 
  18: 
  132, 
  133. 
  pL 
  j. 
  1919. 
  

  

  Rorer, 
  J. 
  B. 
  Fungous 
  diseases 
  of 
  cassava. 
  Trinidad 
  & 
  Tobago 
  

   Dept, 
  Agr. 
  Bull. 
  14: 
  36-28. 
  1915. 
  

  

  Rorer, 
  J. 
  B. 
  The 
  fungous 
  diseases 
  of 
  roses 
  and 
  their 
  treatment- 
  

   Trinidad 
  & 
  Tobago 
  Dept. 
  Agr. 
  Bull, 
  18: 
  29-31. 
  pL 
  i. 
  1919. 
  

  

  Rorer, 
  J. 
  B. 
  The 
  pink 
  disease 
  of 
  cacao. 
  Trinidad 
  & 
  Tobago 
  Dept. 
  

   Agr. 
  Bull. 
  15: 
  86-89./. 
  -^1 
  2. 
  1916. 
  

  

  Rorer, 
  J. 
  B. 
  The 
  wither-tip 
  of 
  limes. 
  Trinidad 
  & 
  Tobago 
  Dept. 
  

   Agr. 
  Bull. 
  18: 
  1-3. 
  pL 
  I. 
  1919. 
  

  

  Salmon, 
  E. 
  S. 
  On 
  forms 
  of 
  the 
  hop 
  {Htimiihis 
  lupulus 
  L- 
  and 
  H. 
  

   americanus 
  Nutt.) 
  resistant 
  to 
  mildew 
  (Sphaerotheca 
  htimuH 
  (DC.) 
  

   Burr.). 
  Ann. 
  Appl. 
  Biol. 
  6: 
  293-310. 
  Ap 
  1920. 
  

  

  Sarvis, 
  J. 
  T. 
  Composition 
  and 
  density 
  of 
  the 
  native 
  vegetation 
  in 
  the 
  

   vicinity 
  of 
  the 
  northern 
  Great 
  Plains 
  field 
  station. 
  Jour. 
  Agr. 
  

   Research 
  19: 
  63-72. 
  pL 
  12-14 
  +/• 
  /. 
  2. 
  15 
  Ap 
  1920. 
  

  

  Saunders, 
  C. 
  F, 
  Useful 
  wild 
  plants 
  of 
  the 
  United 
  States 
  and 
  Canada. 
  

   PP- 
  1-275- 
  New 
  York. 
  1920. 
  [Illust.] 
  

  

  