﻿4 
  BOTANICAL 
  GAZETTE. 
  f 
  TanuaiW 
  

  

  bryo 
  is 
  so 
  scanty 
  as 
  to 
  make 
  it 
  impossible 
  to 
  draw 
  positive 
  

   conclusions 
  from 
  a 
  comparison 
  with 
  Anthoceros. 
  It 
  is, 
  how- 
  

   ever, 
  highly 
  probable 
  that 
  the 
  prothallium 
  is 
  more 
  like 
  that 
  

   of 
  the 
  Marattiacea; 
  than 
  any 
  of 
  the 
  other 
  pteridophytcs. 
  as 
  

   the 
  sporophytes 
  of 
  the 
  two 
  agree 
  in 
  manv 
  particulars, 
  and 
  

   this 
  harmonizes 
  with 
  our 
  very 
  imperfect 
  knowledfre 
  of 
  the 
  

   prothallmm 
  derived 
  from 
  the 
  works 
  of 
  Hofmeister*' 
  and 
  Met- 
  

   tenius.' 
  The 
  prothallia 
  of 
  the 
  T^larattiaccc-c* 
  show 
  most 
  sur- 
  

   prising 
  analogies 
  with 
  the 
  liverworts, 
  and, 
  in 
  some 
  noticea- 
  

   ble 
  particulars, 
  with 
  Anthoceros. 
  Tlie 
  archegonia 
  are 
  deeply 
  

   sunk 
  m 
  the 
  oophyte, 
  as 
  in 
  Anthoceros, 
  and, 
  according 
  t'o 
  

   Jenkman, 
  possess 
  three 
  canal 
  cells, 
  in 
  which 
  respect, 
  so 
  far 
  

   as 
  at 
  present 
  known, 
  they 
  stand 
  alone 
  among 
  the 
  ferns 
  bit 
  

   approach 
  the 
  bryophytes. 
  The 
  antheridium" 
  also 
  sunk 
  in 
  

   the 
  prothallmm 
  recalls, 
  though 
  distinctly, 
  the 
  endoLenois 
  

   anthendnim 
  of 
  Anthocerotea^t 
  the 
  only 
  oies 
  of 
  allTnou 
  n 
  

   bryophytes 
  m 
  which 
  this 
  is 
  the 
  case 
  

  

  The 
  statements 
  of 
  Hofmeister"* 
  and 
  Alettenins 
  " 
  thnt 
  fK« 
  

  

  i^ 
  the 
  

  

  universaflv 
  acceotert 
  f 
  , 
  T 
  1- 
  ""= 
  ,''-^"'« 
  statement 
  was 
  

  

  Treub" 
  anVoX'. 
  h 
  v^Svn 
  Tal 
  h'' 
  "" 
  ^""'f^''^^ 
  °^ 
  

   but 
  that 
  the 
  prothaliia 
  nf 
  T 
  , 
  r 
  r 
  '^ 
  "°' 
  ""= 
  "^^^s. 
  

  

  vided 
  with 
  cWoropIn-n. 
  ^^^P"*™ 
  ^'^^ 
  abundantly 
  pro! 
  

  

  o.heYFiliclne''i'r 
  AfBm 
  ''° 
  J''' 
  pP^oglosse.e 
  bear 
  to 
  the 
  

  

  series 
  of 
  ho™sporou?F- 
  Sn 
  " 
  winC' 
  S"^ 
  '^ 
  " 
  f"-l''<-'"= 
  

  

  atone 
  end 
  and 
  the 
  Marat 
  .Sr-^j 
  '?^'"''^""l%'lace» 
  

  

  Iossea!,at 
  the 
  other- 
  and 
  f' 
  ""'' 
  P^"''''P'' 
  ^^<' 
  ^ 
  ' 
  ' 
  

  

  correct 
  one. 
  ' 
  ""' 
  arrangement 
  probablj 
  

  

  Ophioglossum 
  with^theLen^o^nn 
  ■■'"'■ 
  "'^ 
  fo™^ 
  connecting 
  

  

  uoeoei 
  s 
  Outlines," 
  p. 
  245-46 
  

  

  lOLoc. 
  cit 
  

   uLoc. 
  cit. 
  

  

  12 
  Loe. 
  cit. 
  p. 
  245. 
  

  

  13 
  Annals 
  of 
  the 
  Bot. 
  GardPn 
  nf 
  v, 
  -. 
  

   U 
  Bot. 
  Zeitung. 
  1887. 
  ^^ 
  ^uiten^org. 
  

  

  JSLoc. 
  cit. 
  

  

  