﻿Index 
  to 
  American 
  botanical 
  literature 
  85 
  

  

  Leon, 
  Bro. 
  A 
  new 
  Cuban 
  Sida. 
  Torreya 
  19: 
  172, 
  173. 
  28 
  1919. 
  

  

  Sida 
  Brittoni 
  Fr. 
  Leon 
  sp. 
  nov. 
  ^- 
  

  

  Levine, 
  M, 
  Studies 
  on 
  plant 
  cancers 
  — 
  I. 
  The 
  mechanishi 
  of 
  the 
  

   formation 
  of 
  the 
  leafy 
  crown 
  gall. 
  Bull. 
  Torrey 
  Club 
  46: 
  447-452. 
  

   * 
  pi. 
  77, 
  / 
  5. 
  8 
  D 
  19 
  19. 
  

  

  Lillo, 
  M. 
  Resena 
  fitogeografica 
  de 
  la 
  provincia 
  de 
  Tucuman. 
  Prin. 
  

   Re, 
  Nac. 
  Soc. 
  Argentina 
  Cien. 
  Nat- 
  Tucuman 
  1916: 
  210-232. 
  

   pL 
  15-30. 
  1919. 
  

  

  Eighteen 
  new 
  species 
  in 
  various 
  genera 
  are 
  described. 
  

  

  Maxon, 
  W. 
  R. 
  Notes 
  on 
  American 
  ferns 
  — 
  XIV- 
  Am. 
  Fern 
  Jour. 
  

   9: 
  67-73. 
  II 
  O 
  1919. 
  

  

  Notholaena 
  limitanea 
  Maxon 
  sp. 
  nov. 
  is 
  described- 
  

  

  Mercier, 
  C. 
  A. 
  The 
  electrification 
  of 
  seeds. 
  A 
  revolution 
  in 
  agri- 
  

   culture. 
  Sci. 
  Am. 
  120: 
  142, 
  143. 
  15 
  F 
  1919- 
  

  

  Merrill, 
  E, 
  D, 
  New 
  or 
  noteworthy 
  Philippine 
  plants 
  — 
  XV. 
  Philip. 
  

  

  Jour. 
  Sci. 
  14: 
  365-4; 
  

  

  Includes 
  96 
  new 
  species. 
  

  

  19 
  S 
  1919. 
  

  

  Meyer, 
  R. 
  Echinopsis 
  Mieckleyi 
  R. 
  Mey. 
  spec. 
  nov. 
  Monats. 
  Kak- 
  

   teenk. 
  28: 
  122-124. 
  1918. 
  

  

  r 
  

  

  Meyer, 
  R, 
  Verschiedenes 
  uber 
  die 
  Arten 
  der 
  Untergattung 
  Ancistro- 
  

   cactus 
  K. 
  Sch. 
  Monats. 
  Kakteenk. 
  27: 
  72-80. 
  My 
  1919. 
  

  

  Mez, 
  C. 
  Additamenta 
  monographica 
  1919. 
  Rep. 
  Spec. 
  Nov. 
  16: 
  i-io. 
  

   31 
  Au 
  1919. 
  

  

  Several 
  new 
  South 
  American 
  species 
  are 
  described. 
  

  

  Moore, 
  R. 
  A., 
  & 
  HaUigan, 
  C. 
  P. 
  Plant 
  production. 
  1-428./. 
  1-120. 
  

  

  r 
  

  

  1919. 
  

  

  Mundt, 
  W. 
  Mamillaria 
  radians 
  P. 
  DC. 
  var. 
  sulcata 
  (Eng.) 
  K, 
  Sch. 
  

   syn. 
  Mam. 
  calcarata 
  Eng. 
  Monats. 
  Kakteenk. 
  27: 
  65, 
  66. 
  My 
  

  

  1919. 
  [Illust.] 
  

   Nash, 
  G. 
  V. 
  Hardy 
  woody 
  plants 
  of 
  the 
  New 
  York 
  Botanical 
  

  

  Garden. 
  J 
  

   N 
  1919. 
  

  

  Au 
  1919; 
  221-225. 
  

  

  Nelson, 
  J. 
  C. 
  A 
  comparison 
  of 
  the 
  flora 
  of 
  southern 
  British 
  Columbia 
  

   with 
  that 
  of 
  the 
  state 
  of 
  Washington, 
  as 
  illustrated 
  by 
  the 
  floras 
  of 
  

   Henry 
  and 
  Piper. 
  Torreya 
  19: 
  174-184. 
  28 
  O 
  1919. 
  

  

  NuttaU, 
  Z. 
  The 
  flower 
  lovers 
  and 
  gardeners 
  of 
  ancient 
  Mexico. 
  Jour. 
  

   Internat. 
  Card. 
  Club 
  3 
  : 
  365-379- 
  S 
  1919. 
  

  

  Osbon, 
  C. 
  C. 
  Peat 
  In 
  the 
  Dismal 
  Swamp, 
  Virginia 
  and 
  North 
  Carolina. 
  

   U. 
  S. 
  Geol. 
  Surv. 
  Bull. 
  71.1-C: 
  41-59- 
  Pl- 
  4-^- 
  ^9 
  1919- 
  

  

  