﻿Announcement 
  for 
  1891. 
  

  

  The 
  Botanical 
  Gazette 
  for 
  the 
  coming 
  year 
  will 
  continue 
  in 
  the 
  lines 
  

   already 
  well 
  established. 
  Sugh 
  minor 
  changes 
  as 
  may 
  be 
  needed 
  to 
  make 
  the 
  

   magazine 
  a 
  more 
  effective 
  and 
  acceptable 
  organ 
  for 
  American 
  botanical 
  science^ 
  

   will 
  be 
  introduced 
  from 
  time 
  to 
  time. 
  

  

  The 
  contents 
  of 
  the 
  monthly 
  issues 
  for 
  1890 
  show 
  a 
  wide 
  range 
  of 
  interest 
  

   ing 
  subjects. 
  The 
  following 
  are 
  some 
  of 
  the 
  topics 
  that 
  have 
  been 
  treated 
  : 
  

  

  Systematic 
  Botany: 
  Eevision 
  of 
  portions 
  of 
  the 
  umbellifers, 
  dog 
  woods, 
  

  

  willows, 
  grasses, 
  sphagna, 
  mosses 
  and 
  liverworts, 
  with 
  descriptions 
  of 
  many 
  new 
  

   species. 
  

  

  i 
  

  

  Anatomy 
  and 
  Development 
  : 
  Apical 
  growth 
  of 
  roots, 
  solanaceous 
  

  

  stamens, 
  structure 
  of 
  isopyrum 
  tubers, 
  study 
  of 
  lemon 
  fruit, 
  netted 
  septa 
  in 
  

   xylem 
  vessels. 
  

  

  Physiology: 
  Epinasty 
  in 
  the 
  leaves 
  of 
  the 
  potato, 
  excretions 
  of 
  disease 
  

   producing 
  parasites, 
  fermentation 
  of 
  bread. 
  

  

  Plant 
  Diseases 
  : 
  New 
  spot 
  disease 
  of 
  cotton, 
  lily 
  disease, 
  black 
  rot 
  of 
  the 
  

   grape. 
  

  

  Apparatus 
  and 
  Methods: 
  New 
  plant 
  presses, 
  improved 
  methods 
  of 
  mi- 
  

   croscopic 
  mounting, 
  details 
  of 
  celloidin 
  and 
  collodion 
  imbedding, 
  illustrating 
  

   hydrotropism, 
  studying 
  buds, 
  arrangement 
  of 
  an 
  herbarium. 
  

  

  Biography: 
  Of 
  J. 
  B. 
  Ellis, 
  C. 
  C, 
  Parry 
  and 
  Leo 
  Lesquereux. 
  

  

  Travels: 
  To 
  the 
  Lake 
  Superior 
  region, 
  to 
  the 
  Slover 
  mountain 
  in 
  Cal- 
  

   ifornia. 
  

  

  Editorial 
  Comment 
  : 
  The 
  right 
  and 
  wrong 
  kind 
  of 
  original 
  investigation, 
  

   American 
  botany 
  from 
  a 
  foreign 
  stand 
  point, 
  faulty 
  description 
  of 
  new 
  species, 
  

   naming 
  forms 
  and 
  sub-varieties, 
  a 
  plea 
  for 
  the 
  Gray 
  Herbarium, 
  teaching 
  biol- 
  

   ogy, 
  biological 
  surveys, 
  a 
  proposed 
  international 
  congress 
  of 
  botanists. 
  

   ^ 
  Notes 
  and 
  News: 
  Over 
  200 
  items 
  have 
  appeared 
  under 
  this 
  heading, 
  

   giving 
  a 
  great 
  variety 
  of 
  information 
  about 
  current 
  events 
  in 
  the 
  botanical 
  

   ^orld, 
  and 
  forming 
  one 
  of 
  the 
  very 
  interesting 
  features 
  of 
  the 
  magazine. 
  

  

  Reviews 
  of 
  Current 
  Literature 
  : 
  Over 
  50 
  works 
  have 
  received 
  attention 
  

   ^t 
  the 
  hands 
  of 
  the 
  editors 
  or 
  of 
  persons 
  selected 
  by 
  them. 
  

  

  niustrations: 
  Never 
  have 
  the 
  illustrations 
  been 
  more 
  numerous 
  and 
  im- 
  

   portant, 
  and 
  of 
  such 
  superior 
  quality 
  as 
  during 
  the 
  last 
  year. 
  

  

  The 
  editors 
  believe 
  that 
  American 
  botany 
  is 
  developing 
  at 
  a 
  greater 
  pace 
  

  

  ^ 
  ^ime 
  progresses, 
  and 
  do 
  not 
  doubt 
  that 
  the 
  Gazette 
  will 
  receive 
  a 
  liberal 
  

  

  ^J^re 
  of 
  patronage, 
  as 
  heretofore, 
  and 
  be 
  enabled 
  to 
  grow 
  with 
  the 
  growth 
  of 
  

  

  ^^ 
  science. 
  With 
  this 
  conviction 
  a 
  promise 
  of 
  good 
  things 
  botanically, 
  even 
  

  

  e^ter 
  than 
  given 
  last 
  year, 
  Is 
  held 
  out 
  to 
  subscribers 
  for 
  1891. 
  

  

  John 
  M. 
  Coultek, 
  

   Chaeles 
  K 
  Babxes. 
  

   J. 
  C. 
  Akthub, 
  

  

  Editors 
  and 
  Publishers, 
  

  

  