﻿484 
  Index 
  to 
  American 
  botanical 
  literature 
  

  

  Greeley, 
  A. 
  W, 
  Night-growth 
  of 
  roses. 
  Am. 
  Rose 
  Annual 
  1920: 
  

  

  40-42. 
  1920. 
  

  

  Haas, 
  A. 
  R. 
  C. 
  Studies 
  on 
  the 
  reaction 
  of 
  plant 
  juices. 
  Soil 
  Sci. 
  9: 
  

   341-368. 
  pL 
  I 
  -\-f. 
  i-ii. 
  My 
  1920. 
  

  

  m 
  

  

  Hampton, 
  H. 
  C, 
  & 
  Baas-Becking, 
  L. 
  G. 
  M. 
  The 
  kinetics 
  of 
  the 
  action 
  

   of 
  catalase 
  extract 
  from 
  marine 
  algae, 
  with 
  a 
  note 
  on 
  oxidase. 
  

   Jour. 
  Gen. 
  Physiol. 
  2: 
  635-649. 
  20 
  JI 
  1920. 
  

  

  Harms, 
  H. 
  Zwei 
  neue 
  Acacia-arten 
  {A. 
  Fiebrigii 
  und 
  A, 
  Weherbaiteri) 
  

  

  aus 
  Sudamerika. 
  Rep. 
  Sp. 
  Nov. 
  Regn. 
  Veg. 
  16: 
  351-352. 
  30 
  Ap 
  

   1920. 
  

  

  Harms, 
  H. 
  Zwei 
  neue 
  P-iihecolobium-arten 
  aus 
  Amerika. 
  Rep. 
  Sp 
  

   Nov. 
  Regn. 
  Veg. 
  i6: 
  350. 
  30 
  Ap 
  1920. 
  

  

  P. 
  Seleri 
  from 
  Mexico 
  and 
  P. 
  Weherbaiieri 
  from 
  Peru. 
  

  

  Henderson, 
  M. 
  W. 
  A 
  comparative 
  study 
  of 
  the 
  structure 
  and 
  sapro- 
  

   phytism 
  of 
  the 
  Pyrolaceae 
  and 
  Monotropaceae 
  with 
  reference 
  to 
  

   their 
  derivation 
  from 
  the 
  Ericaceae. 
  Contr. 
  Bot. 
  Lab. 
  Univ. 
  

   Pennsylvania 
  5: 
  42-109. 
  1920. 
  

  

  Hepburn, 
  J. 
  S. 
  Biochemical 
  studies 
  of 
  insectivorous 
  plants 
  I. 
  The 
  

   work 
  of 
  previous 
  investigators 
  on 
  Nepeiithes. 
  II. 
  A 
  study 
  of 
  the 
  

   protease 
  of 
  the 
  pitcher 
  liquor 
  of 
  Nepenthes. 
  Contr. 
  Bot. 
  Lab. 
  

   Univ. 
  Pennsylvania 
  4: 
  419-442, 
  442-451. 
  1920. 
  

  

  Hepburn, 
  J. 
  S., 
  & 
  Jones, 
  F. 
  M. 
  Biochemical 
  studies 
  of 
  insectivorous 
  

   plants 
  IV. 
  Occurrence 
  of 
  antiproteases 
  in 
  the 
  larvae 
  of 
  the 
  Sar- 
  

   cophaga 
  associates 
  of 
  Sarracenia 
  flava. 
  Contr. 
  Bot. 
  Lab. 
  Univ. 
  

   Pennsylvania 
  4: 
  460-463. 
  1920. 
  

  

  Hepburn, 
  J. 
  S., 
  & 
  St. 
  John, 
  E. 
  Q. 
  Biochemical 
  studies 
  of 
  insectivorous 
  

   plants 
  III. 
  A 
  bacteriological 
  study 
  of 
  the 
  pitcher 
  liquor 
  of 
  Nepen- 
  

   thes. 
  Contr. 
  Bot. 
  Lab. 
  Univ. 
  Pennsylvania 
  4: 
  451-459. 
  1920. 
  

  

  Hofmann, 
  J. 
  V. 
  The 
  establishment 
  of 
  a 
  Douglas 
  Fir 
  forest. 
  Ecology 
  

   i: 
  49-53- 
  /• 
  J. 
  1920. 
  

  

  Hungerford, 
  C. 
  W. 
  Rust 
  in 
  seed 
  wheat 
  and 
  its 
  relation 
  to 
  seedling 
  

   infection. 
  Jour. 
  Agr. 
  Research 
  19: 
  257-277. 
  pi. 
  38-48. 
  15 
  Je 
  1920. 
  

  

  Jennings, 
  O. 
  E. 
  The 
  paper 
  mulberry 
  {Broiissonetia) 
  an 
  "Artillery 
  

   Plant." 
  Torreya 
  20: 
  52, 
  53. 
  18 
  Jl 
  1920. 
  

  

  Kahn, 
  M. 
  C. 
  Microscopic 
  water 
  contaminators. 
  Sci. 
  Am. 
  Monthly 
  

   2: 
  28-32. 
  Jl 
  1920. 
  [Illust.] 
  

  

  Keeler, 
  H. 
  L. 
  Our 
  northern 
  autumn, 
  i-xviii 
  + 
  1-194, 
  New 
  York. 
  

   1920. 
  [Illust.] 
  

  

  Lenoir, 
  M. 
  Evolution 
  du 
  tissu 
  vasculaire 
  chez 
  quelques 
  plantules 
  de 
  

   Dicotyledones. 
  Ann. 
  Sci. 
  Nat. 
  X. 
  2: 
  1-123./. 
  i~9i. 
  Je 
  1920. 
  

  

  