﻿Index 
  to 
  American 
  botanical 
  literature 
  227 
  

  

  Mills, 
  E. 
  A. 
  The 
  wars 
  of 
  the 
  wind 
  at 
  timberline. 
  Nat. 
  Hist. 
  19: 
  

  

  /■ 
  i-37' 
  

  

  427-435- 
  1919- 
  [Illust.I 
  

  

  Observations 
  in 
  the 
  Rockies. 
  

  

  Mulford, 
  F. 
  L. 
  Street 
  trees. 
  Bull. 
  U. 
  S. 
  Dept. 
  Agr. 
  8i6. 
  

   19 
  Ja 
  1920. 
  [Illust.] 
  

  

  Kinds 
  of 
  trees 
  for 
  different 
  regions 
  with 
  descriptions 
  of 
  cacli. 
  

  

  Munz, 
  P. 
  A. 
  A 
  journey 
  to 
  the 
  Salton 
  Sea. 
  Nat. 
  Study 
  Rev. 
  i6: 
  1-9. 
  

   Ja 
  1920. 
  [Illust.] 
  

  

  Murrill, 
  W. 
  A. 
  The 
  lotus 
  of 
  ancient 
  Egypt. 
  Jour. 
  N. 
  Y. 
  Bot. 
  Gard. 
  

   20: 
  231, 
  O 
  1919. 
  

  

  Nash, 
  G. 
  V. 
  Hardy 
  woody 
  plants 
  in 
  The 
  New 
  York 
  Botanical 
  Garden. 
  

   Jour. 
  N. 
  Y. 
  Bot. 
  Gard. 
  20: 
  232-235. 
  D 
  1919. 
  

  

  Neville, 
  H. 
  O. 
  Hardwoods 
  in 
  Cuba. 
  Cuba 
  Rev. 
  18: 
  13-25. 
  D 
  1919. 
  

   [Illust.] 
  

  

  Nicholson, 
  C. 
  G. 
  Some 
  vegetable 
  parasites. 
  Sci. 
  Am. 
  H. 
  51: 
  %-], 
  97. 
  

   24 
  J 
  1920. 
  

  

  Pammel, 
  L. 
  H. 
  Perennial 
  mycelium 
  of 
  parasitic 
  fungi. 
  Proc. 
  Iowa 
  

   Acad. 
  Sci. 
  25: 
  259-263. 
  1919. 
  

  

  Pammel, 
  L. 
  H., 
  & 
  King, 
  C. 
  M. 
  An 
  annual 
  white 
  sweet 
  clover. 
  Proc. 
  

   Iowa 
  Acad. 
  Sci. 
  25: 
  249-251. 
  pi, 
  4-6. 
  1919. 
  

  

  Pammel, 
  L. 
  H., 
  & 
  King, 
  C. 
  M. 
  The 
  germination 
  of 
  some 
  trees 
  and 
  

   shrubs 
  and 
  their 
  juA'enilc 
  forms. 
  Proc. 
  la. 
  Acad. 
  Sci. 
  25: 
  291-340. 
  

   /. 
  45-120. 
  jgig, 
  

  

  Pammel, 
  L. 
  H., 
  & 
  King, 
  C. 
  M. 
  A 
  variation 
  in 
  the 
  black 
  walnut- 
  

   Proc. 
  Iowa 
  Acad. 
  Sci. 
  25: 
  241, 
  242. 
  pL 
  3 
  + 
  f- 
  43^ 
  44* 
  I9i9- 
  

  

  Palmer, 
  E. 
  L. 
  Just 
  ooze 
  and 
  slime! 
  Is 
  the 
  expression 
  fair? 
  Nat. 
  

  

  Study 
  Rev. 
  16: 
  27-32. 
  Ja 
  1920. 
  [Illust.] 
  

   Perry, 
  G. 
  S. 
  Some 
  effects 
  of 
  frost 
  in 
  northern 
  Pennsylvania. 
  Forest 
  

  

  Leaves 
  17: 
  107, 
  108. 
  F 
  1920. 
  

   PhilHps, 
  T. 
  G. 
  Chemical 
  and 
  physical 
  changes 
  during 
  geotropic 
  

  

  response. 
  Bot. 
  Gaz. 
  69: 
  168-178. 
  16 
  F 
  1920. 
  

  

  Maize 
  and 
  Vicia 
  Faba 
  studied. 
  

  

  Plitt, 
  C. 
  C. 
  A 
  short 
  history 
  of 
  lichenology. 
  Bryologist 
  22; 
  77-85. 
  

   1920. 
  

  

  Pomeroy, 
  C. 
  S. 
  "Sports" 
  or 
  bud-variation 
  in 
  the 
  rose. 
  Am. 
  Rose 
  

   Annual 
  igig: 
  36-37. 
  15 
  Mr 
  1919. 
  

  

  Potter, 
  G. 
  F. 
  An 
  apparatus 
  for 
  automatically 
  changing 
  the 
  tempera- 
  

   ture 
  of 
  a 
  chamber. 
  Am. 
  Jour. 
  Bot. 
  7: 
  39-43- 
  PUi^. 
  25 
  F 
  1920. 
  

  

  