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  BOTANICAL 
  GAZETTE. 
  

  

  [ 
  August, 
  

  

  - 
  ^^7* 
  ?^'^^ 
  JuJiELLE 
  begins, 
  in 
  the 
  last 
  June 
  number 
  of 
  the 
  Rem 
  

   general 
  de 
  Botaniqne, 
  a 
  capital 
  review 
  of 
  the 
  works 
  on 
  vegetable 
  physi- 
  

   ology 
  and 
  chemistry, 
  published 
  between 
  July, 
  1889, 
  and 
  April, 
  1890. 
  

  

  _ 
  Mr. 
  Edmund 
  G. 
  Baker 
  is 
  doing 
  good 
  service 
  in 
  bringing 
  together 
  

   mtormation 
  concerning 
  the 
  genera 
  and 
  species 
  of 
  Malve^, 
  in 
  J(Mr. 
  B<t 
  

   It 
  IS 
  a 
  group 
  that 
  sadly 
  needs 
  monographing, 
  and 
  is 
  an 
  exceedingly 
  per- 
  

   plexing 
  one 
  on 
  our 
  southern 
  borders, 
  which 
  are 
  so 
  largely 
  tinctured 
  

   with 
  Mexican 
  forms. 
  

  

  The 
  Journal 
  of 
  Botany 
  (July) 
  gives 
  an 
  interesting 
  account 
  of 
  the 
  

   cnanges 
  at 
  Kew, 
  and 
  pays 
  a 
  handsome 
  tribute 
  to 
  the 
  services 
  of 
  the 
  three 
  

   bo 
  anists 
  concerned, 
  Professor 
  Oliver, 
  the 
  retiring 
  curator, 
  Mr. 
  J. 
  G. 
  

   ^aker, 
  the 
  new 
  curator, 
  and 
  Mr. 
  Hemsley, 
  who 
  takes 
  Mr. 
  Baker's 
  former 
  

   position 
  as 
  assistant 
  curator. 
  

  

  nf 
  tiS^^^'-^fi"^^ 
  ARTICLES 
  in 
  Zoe, 
  for 
  June, 
  are 
  : 
  Heterosporous 
  fern 
  allies 
  

   Spw 
  T 
  .■ 
  ^T^ 
  ^.?^ 
  Mexico, 
  by 
  Lucien 
  M. 
  Underwood 
  (in 
  which 
  a 
  

  

  nl.^t; 
  f 
  f 
  I' 
  i^s^^bed); 
  Brodieea 
  multiflora, 
  by 
  Carl 
  Purdy; 
  The 
  

   Si? 
  T''^'' 
  ^atalma 
  Island 
  (with 
  2 
  plates), 
  by 
  T. 
  S. 
  Brandgee; 
  M- 
  

  

  Seri?bTT?k'SnX?"^^^^^ 
  "^' 
  ^>' 
  ^"^'^--^^ 
  ^^^^^^' 
  

   Messrs 
  IIxNderwood 
  & 
  Cook 
  have 
  just 
  issued 
  the 
  seventh 
  and 
  

  

  pmVitv. 
  A^ 
  A 
  ^^■■t'^f-".""^ 
  IX. 
  v^uuK 
  nave 
  lust 
  issued 
  tne 
  sevenin 
  auu 
  

   nrpv 
  nn, 
  fi 
  ,°^ 
  ^^^'^ 
  Hepatic* 
  American* 
  in 
  the 
  same 
  neat 
  form 
  as 
  

   previous 
  decades. 
  Onlv 
  . 
  f.^ 
  gets 
  of 
  the 
  two 
  previous 
  decades 
  are 
  left 
  

  

  The 
  sets 
  of 
  illustrative 
  fungi 
  prepared 
  by 
  

  

  and 
  Ep 
  '^'''^ 
  • 
  "'• 
  ^^^y 
  ^ 
  f^^ 
  ««t« 
  of 
  the 
  two 
  

  

  the 
  ;«^ri''^fi!' 
  """^ 
  ^^^- 
  T^^ 
  «ets 
  of 
  illustrative 
  lungi 
  prepareu 
  u: 
  

   Sets 
  Z7rl 
  f 
  ^1*"'' 
  ^''l^ 
  ^^^^ 
  ^old 
  with 
  the 
  exception 
  of 
  three 
  copies. 
  

   ^ets 
  were 
  mostly 
  purchased 
  by 
  colleges 
  and 
  experiment 
  stations. 
  

  

  of 
  a 
  '^ET^fri 
  ^r!!I^". 
  Society 
  of 
  Sciences 
  in 
  Harlem 
  has 
  announced 
  a 
  prize 
  

   lems- 
  Th. 
  t 
  ""] 
  l^ 
  S"^^^^^ 
  ^o^ 
  the 
  solution 
  of 
  the 
  following 
  prob- 
  

   ni 
  tro'^en 
  on/ 
  n 
  bacteria 
  in 
  the 
  destruction 
  and 
  formation 
  of 
  the 
  

  

  which 
  diffLnr^T^f 
  '° 
  different 
  sorts 
  of 
  soils; 
  or, 
  the 
  mode 
  in 
  

   lar 
  Iv 
  the 
  trf. 
  P*"'^' 
  *"/ 
  P'^°ts 
  can 
  unite 
  with 
  each 
  other, 
  and 
  particu- 
  

   Kraftinf 
  hV!!?-''"'^"u 
  °/ 
  ^^^^^"^ 
  ^^^^h 
  accompany 
  the 
  operations 
  of 
  

   Dutch 
  G^^rm.T"';-^"''' 
  °' 
  ^o^t^ct- 
  The 
  papers 
  may 
  be 
  written 
  m 
  

   and 
  m\,?t 
  brsent 
  f' 
  n' 
  ''?• 
  i^^^^^ 
  ^^^ 
  ^e 
  siipposed 
  to 
  include 
  English), 
  

   "J"'* 
  ^^ 
  '^°t 
  to 
  Dr. 
  J. 
  Bosscha, 
  in 
  Harlem, 
  before 
  January 
  1, 
  1891- 
  

  

  nation 
  ofth^v'tl'^ 
  ^a^ 
  recently 
  given 
  special 
  attention 
  to 
  thediscrimi- 
  

   the 
  follow 
  ng 
  rcol 
  pn'^h 
  "^ 
  «""^"^hyma. 
  He 
  is 
  able 
  to 
  disd^gnis 
  

   the 
  corners 
  of 
  tt 
  ^^^ 
  f 
  "^hyma 
  proper 
  with 
  the 
  thickening 
  chiefly.in 
  

   volving 
  he 
  who 
  ^ 
  'T^'o^' 
  ^ast 
  collenchyma, 
  with 
  the 
  thickening 
  m- 
  

   «troig?y 
  all 
  rronn/'^"i 
  ^'- 
  ^'^^^^^^ 
  collenchyAia, 
  with 
  walls 
  thickened 
  

   that 
  the 
  seeZri 
  '^"^ 
  '^^^^ 
  ^ 
  ^^^^^'^ 
  difJerentiated 
  inner 
  lamella, 
  o 
  

   tubesTnbedded 
  in 
  A^^'' 
  '^' 
  ^'^^^^^ 
  °^ 
  ^^^^ilage, 
  apparently 
  separate 
  

   only 
  taiSial 
  w«^i 
  i'^'^^seneous 
  matrix 
  ; 
  4, 
  Plate 
  collenchyma, 
  with 
  

   portioro??helllf 
  l-^^''^'.°'^'' 
  5' 
  Rift 
  collenchyma, 
  with 
  only 
  th 
  t 
  

   6, 
  Metacollenowi 
  r^^''^.^,^'^i«^ 
  borders 
  on 
  an 
  intercellular 
  spac- 
  

   morphS 
  S 
  ttet 
  ^%°^^^ 
  by 
  the 
  siow 
  death 
  of 
  the 
  cell 
  and 
  the 
  niet 
  ■ 
  

   the 
  Ce 
  hfrd 
  basf 
  ^!"; 
  and 
  finally, 
  7, 
  a 
  form 
  which 
  resembles 
  in 
  shap 
  

   r!r^iu„„u 
  " 
  ,." 
  "^^it, 
  ProtosclerenphT^m.:. 
  r 
  -H-.,K„,.i„„,u'a 
  « 
  r^rnv 
  soriscn?' 
  

  

  functionr'ltconsVftn?""^'*'"*^ 
  one 
  which 
  early 
  acquires 
  a 
  mecmm- 
  

  

  growth 
  and 
  enten 
  on'^f^^''^^''''^''^ 
  ''''''' 
  ""^^ 
  ^""^ 
  '^"""^ 
  '"• 
  ''SS-a- 
  

   ceous 
  plants 
  as 
  flj^^ 
  °^ 
  ^^^ 
  organ, 
  but 
  remains 
  particularly 
  m 
  her^a 
  

  

  OeselhyiVxm 
  P^'^'^^^^t 
  mechanical 
  tissue. 
  Cf. 
  Ber. 
  d. 
  deutsclu 
  B(i- 
  

  

  