﻿42 
  Index 
  to 
  American 
  botanical 
  literature 
  

  

  Oemler, 
  A. 
  Truck-farming 
  at 
  the 
  south. 
  1-274, 
  /• 
  ^~7^- 
  ^'^^ 
  

   York. 
  1913. 
  

  

  Oskamp, 
  J. 
  Winter 
  injury 
  of 
  fruit 
  trees. 
  Purdue 
  Univ. 
  Agr. 
  Exp. 
  

   Sta. 
  Circ. 
  87: 
  i-ii. 
  /, 
  j-p. 
  N 
  1918. 
  

  

  Osterhout, 
  W. 
  J, 
  V. 
  Comparative 
  studies 
  on 
  respiration 
  — 
  -VII. 
  

   Respiration 
  and 
  antagonism. 
  Jour. 
  Gen. 
  Physiol. 
  2: 
  1-3. 
  20 
  S 
  

   1919. 
  

  

  Overholts, 
  L. 
  O- 
  Some 
  Colorado 
  fungi. 
  Mycologia 
  11: 
  245"-258- 
  

   18 
  1919. 
  

  

  Pammel, 
  L. 
  H. 
  Weeds 
  of 
  the 
  farm 
  and 
  garden, 
  i-xii 
  + 
  1-281- 
  

   /. 
  1-161 
  -^frontispiece. 
  New 
  York. 
  1917." 
  

  

  Peltier, 
  G. 
  L, 
  Carnation 
  stem 
  rot 
  and 
  its 
  control. 
  Illinois 
  Agr. 
  Exp. 
  

   Bull. 
  223: 
  579-607. 
  /. 
  i-S' 
  S 
  1919. 
  

  

  Pennell, 
  F. 
  W. 
  A 
  brief 
  conspectus 
  of 
  the 
  species 
  Kneiffia, 
  with 
  the 
  

   characterization 
  of 
  a 
  new 
  allied 
  genus. 
  Bull. 
  Torrey 
  Club 
  46: 
  

   363-373- 
  17 
  O 
  1919. 
  

  

  Includes 
  Peniophyllum 
  gen. 
  nov. 
  and 
  Kneiffia 
  brevistipata, 
  K. 
  semiglandulosa 
  

   and 
  X. 
  veluHna, 
  spp. 
  nov. 
  

  

  Rankin, 
  W. 
  H. 
  Manual 
  of 
  tree 
  diseases, 
  i-xx 
  + 
  1-398. 
  /. 
  i-/*^- 
  

   New 
  York, 
  1918. 
  

  

  F 
  

  

  Rydberg, 
  P. 
  A. 
  Phytogeographical 
  notes 
  on 
  the 
  Rocky 
  Mountain 
  

   region.— 
  VIII. 
  Distribution 
  of 
  the 
  Montane 
  plants. 
  Bull. 
  Torrey 
  

   Club 
  46: 
  295-327. 
  27 
  S 
  1919. 
  

  

  Sampaio, 
  A. 
  J. 
  de. 
  Iponiea 
  Glaziovii 
  U. 
  Damm. 
  Rev. 
  Mus. 
  Paulista 
  

   10: 
  233-244. 
  pi. 
  i-j. 
  1918. 
  

  

  SchafEner, 
  J. 
  H. 
  Complete 
  reversal 
  of 
  sex 
  in 
  hemp. 
  Science 
  II. 
  50 
  = 
  

   311, 
  312. 
  26 
  S 
  1919. 
  . 
  

  

  Schmitz, 
  H., 
  & 
  Zeller, 
  S. 
  M. 
  Studies 
  in 
  the 
  physiology 
  of 
  the 
  fungi 
  

  

  IX. 
  

  

  '!■ 
  

  

  (Bolt.) 
  Fr. 
  and 
  Polyporus 
  lucidus 
  (Leys.) 
  Fr. 
  Ann. 
  Missouri 
  Bot. 
  

   Card. 
  6: 
  193-200. 
  11 
  O 
  1919. 
  

  

  Sevey, 
  G. 
  C. 
  Bean 
  culture, 
  i-xiv 
  + 
  1-130. 
  /. 
  i-jj. 
  New 
  York. 
  

  

  1918. 
  

  

  Sevey, 
  G. 
  C. 
  Peas 
  and 
  pea 
  culture, 
  i-xi 
  + 
  1-92. 
  New 
  York. 
  

  

  1915 
  

  

  Shaw 
  

  

  Clovers 
  and 
  how 
  to 
  grow 
  them, 
  i-viii 
  + 
  1-345. 
  /. 
  1-12. 
  

  

  New 
  York. 
  1918. 
  

  

  