﻿Index 
  to 
  American 
  botanical 
  literature 
  193 
  

  

  Fred, 
  E. 
  B., 
  & 
  Gratil, 
  E. 
  J. 
  Effect 
  of 
  inoculation 
  and 
  lime 
  on 
  the 
  yield 
  

   and 
  on 
  the 
  amount 
  of 
  nitrogen 
  in 
  soybeans 
  on 
  acid 
  soil. 
  Soil 
  Sci: 
  

  

  7:455-467/- 
  ^- 
  Je 
  1919- 
  

  

  Godfrey, 
  G. 
  H. 
  Sclerotinia 
  Ricini 
  n, 
  sp. 
  parasitic 
  on 
  the 
  castor 
  bean 
  

   (Ricinus 
  communis). 
  Phytopathology 
  9: 
  565-567. 
  pL 
  40-41, 
  

   21 
  Ja 
  1920. 
  

  

  Grant, 
  M, 
  Saving 
  the 
  redwoods. 
  Zool. 
  Soc. 
  Bull. 
  22: 
  91-118. 
  S 
  1919. 
  

   [Illust.] 
  

  

  Graves, 
  E. 
  W. 
  A 
  new 
  station 
  for 
  Cyrtomitim 
  falcatum 
  and 
  Pteris 
  

   longifoUa 
  in 
  Alabama. 
  Am. 
  Fern 
  Jour. 
  9: 
  1 
  19-120. 
  24 
  Ja 
  1920. 
  

  

  Gregory, 
  C. 
  T. 
  Heterosporiiim 
  leafspot 
  of 
  timothy. 
  Phytopathology 
  

   9: 
  576-580./. 
  1-2. 
  21 
  Ja 
  1920. 
  

  

  ■ 
  

  

  Haas, 
  A. 
  R. 
  C. 
  The 
  electrometric 
  titration 
  of 
  plant 
  juices. 
  Soil 
  Sci. 
  7: 
  

   487-491./. 
  I. 
  Je 
  1919. 
  

  

  Hagerup, 
  O. 
  The 
  structure 
  and 
  biology 
  of 
  Arctic 
  flowering 
  plants 
  

  

  IP. 
  Caprifoliaceae. 
  Meddel. 
  Gronland 
  37: 
  153-164. 
  /. 
  1-6. 
  

   1914. 
  

  

  Harlow, 
  H. 
  V., 
  & 
  Hayes, 
  H. 
  K. 
  Breeding 
  small 
  grains 
  in 
  Minnesota 
  

  

  II. 
  Investigations 
  in 
  barley 
  breeding. 
  Minnesota 
  Agr. 
  Exp. 
  

   Sta. 
  Bull. 
  182: 
  45-56./. 
  11-14, 
  Mr 
  1919. 
  

  

  Hartley, 
  C, 
  Pierce, 
  R. 
  G., 
  & 
  Hahn, 
  G. 
  G. 
  Moulding 
  of 
  snow-smothered 
  

   nursery 
  stock. 
  Phytopathology 
  9: 
  521-531. 
  D 
  1919. 
  

  

  Hayes, 
  H. 
  K., 
  & 
  Garber, 
  R. 
  J. 
  Breeding 
  small 
  grains 
  in 
  Minnesota 
  I. 
  

  

  Technic 
  and 
  results 
  with 
  wheat 
  and 
  oats. 
  Minnesota 
  Agr. 
  Exp. 
  

  

  Sta. 
  Bull. 
  182: 
  1-44./. 
  i-io. 
  Mr 
  1919. 
  

   , 
  C. 
  Messende 
  Untersuchungcn 
  iiber 
  die 
  Beziehungen 
  zwischen 
  

  

  dem 
  Heliotropismus 
  der 
  Pflanzen 
  und 
  den 
  Lichtreaktionen 
  der 
  

  

  Tiere. 
  Zeits. 
  Bot. 
  11 
  : 
  481-506./. 
  <5. 
  1919- 
  

   Hopkins, 
  L. 
  S. 
  The 
  occurrence 
  and 
  distribution 
  of 
  \^asey's 
  Pondweed 
  

  

  in 
  northeastern 
  Ohio. 
  Torreya 
  19: 
  243-244. 
  22 
  Ja 
  1920. 
  

   Huber-Pestalozzi, 
  G. 
  Morphologic 
  und 
  Entwicklungeschichte 
  von 
  

  

  Gloeotaenium 
  Loitleshergerianiim 
  Hansgirg. 
  Zeits. 
  Bot. 
  11 
  : 
  40I-473- 
  

  

  pi. 
  I-Q. 
  I919. 
  

  

  Hylmo, 
  D. 
  E. 
  Zur 
  Kenntnis 
  der 
  subantarkischen 
  und 
  antarktischen 
  

   Meeresalgen— 
  III. 
  Chlorophyceen. 
  Wissen, 
  Ergeb. 
  Schwed. 
  Sud- 
  

   , 
  polar-Exp. 
  1901-1903- 
  4: 
  1-20./. 
  1-33- 
  .I9I9- 
  

   Ihering, 
  H. 
  von. 
  A 
  distribuigao 
  de 
  campos 
  e 
  mattas 
  no 
  Brazil. 
  Rev. 
  

   Mus. 
  Paulista 
  7: 
  1 
  25-178. 
  pi- 
  I-?- 
  I907- 
  

  

  