﻿434 
  Index 
  to 
  American 
  botanical 
  literature 
  

  

  r 
  

  

  Broadway, 
  W. 
  E. 
  The 
  wild 
  orchids 
  of 
  Tobago. 
  Trinidad 
  & 
  Tobago 
  

   Dept. 
  Agr. 
  Bull. 
  17: 
  95-100. 
  1918. 
  

  

  Campbell, 
  D. 
  H. 
  Impressions 
  of 
  the 
  flora 
  of 
  Trinidad. 
  Trinidad 
  & 
  

   Tobago 
  Dept, 
  Agr. 
  Bull. 
  13: 
  52-56, 
  1914. 
  

  

  Church, 
  M. 
  B. 
  Root 
  contraction. 
  Plant 
  World 
  22: 
  337-340. 
  /. 
  i. 
  

   27 
  Mr 
  1919. 
  

  

  Clements, 
  F. 
  E. 
  Ecology. 
  Carnegie 
  Inst. 
  Wash. 
  Year-Bk. 
  18: 
  

  

  330-343- 
  1919- 
  

   Clute, 
  W. 
  N. 
  Notes 
  on 
  the 
  Navajo 
  region. 
  Am. 
  Bot,' 
  26: 
  39-47- 
  

  

  My 
  1920. 
  

  

  J. 
  H. 
  A 
  teosinte-maize 
  hybrid. 
  J 
  

   . 
  1-7 
  +/. 
  1-32 
  J 
  I 
  Ap 
  1920. 
  

  

  Dana, 
  B. 
  F., 
  & 
  Zundel, 
  G. 
  L. 
  A 
  new 
  corn 
  smut 
  in 
  Washington. 
  Phy- 
  

   topathology 
  10: 
  328-330./. 
  1-4. 
  Je 
  1920. 
  

  

  Dastur, 
  J. 
  F. 
  Glomerella 
  cingulata 
  (Stoneman) 
  Spauld. 
  and 
  V- 
  Sch. 
  

   and 
  its 
  conidial 
  forms, 
  Gloeosporium 
  piperatum 
  E. 
  and 
  E. 
  and 
  

   Colletotrichitm 
  nigrum 
  E. 
  and 
  Hals., 
  on 
  chillies 
  and 
  Carica 
  papaya. 
  

   Ann. 
  Appl. 
  Biol. 
  6: 
  245-268. 
  pL 
  10. 
  Ap 
  1920. 
  

  

  De 
  Boer, 
  S. 
  R. 
  Foothill 
  flowers 
  in 
  the 
  Rockies. 
  Gard. 
  Chron. 
  24: 
  

   2X1. 
  Je 
  1920. 
  

  

  Dickson, 
  J. 
  G., 
  & 
  Johann, 
  H. 
  Production 
  of 
  conidia 
  in 
  Gibberella 
  

   sauhinetiu 
  Jour. 
  Agr. 
  Research 
  19: 
  235-237. 
  /. 
  j. 
  15 
  My 
  1920. 
  

  

  Dodge, 
  B. 
  O. 
  The 
  life 
  history 
  of 
  Ascohohis 
  magnificus. 
  Origin 
  of 
  the 
  

   ascocarp 
  from 
  two 
  strains. 
  Mycologia 
  12: 
  115-134. 
  pL 
  7-8 
  + 
  f^ 
  

   1-28. 
  5 
  Je 
  1920. 
  

  

  Duggar, 
  B. 
  M. 
  Some 
  factors 
  in 
  research. 
  Plant 
  World 
  22: 
  277-289. 
  

   10 
  Ap 
  1920. 
  

  

  Eggleston, 
  W. 
  W. 
  The 
  whorled 
  milkweed. 
  {Asclepias 
  verticillata) 
  . 
  

   Vermont 
  Bot. 
  & 
  Bird 
  Clubs 
  Bull. 
  6: 
  22-23. 
  Ap 
  1920. 
  

  

  Elliott, 
  C. 
  Halo-blight 
  of 
  oats. 
  Jour. 
  Agr. 
  Research 
  19: 
  139-172. 
  

   pL 
  C 
  + 
  pi. 
  26-35- 
  15 
  My 
  1920. 
  

  

  r 
  

  

  Engler, 
  A. 
  Beitrage 
  zur 
  Entwicklungsgeschichte 
  der 
  Hochgebirgs- 
  

   floren 
  erlautert 
  an 
  der 
  Verbreitung 
  der 
  Saxifragen. 
  Abh. 
  Konigl. 
  

   Preuss. 
  Akad. 
  Wissensch. 
  Phys. 
  Math. 
  Klasse 
  1916^- 
  1-113. 
  pLi-8. 
  

  

  16 
  Au 
  1916. 
  

  

  J- 
  Zur 
  Entwickslungsgeschichte 
  des 
  Spinatschimmels 
  {Per- 
  

  

  onospora 
  Spinaciae 
  (Grew.) 
  Laub.). 
  Arkiv 
  for 
  Bot, 
  15, 
  

   pL 
  i~4 
  +/. 
  1-2. 
  28 
  O 
  1919. 
  

  

  15: 
  1-25 
  

  

  