﻿xiv 
  Contents 
  

  

  LECTURE 
  PAGE 
  

  

  posites. 
  Progressive 
  red 
  varieties. 
  Ap- 
  

   parent 
  losses. 
  Xanthium 
  canadense. 
  

   Correlative 
  variability. 
  Laciniate 
  leaves 
  

   and 
  petals. 
  Compound 
  characters. 
  

  

  VI. 
  Stability 
  and 
  real 
  atavism 
  .... 
  154 
  

   Constancy 
  of 
  retrograde 
  varieties. 
  Atav- 
  

   ism 
  in 
  Kibes 
  sanguineum 
  albidum, 
  in 
  

   conifers, 
  in 
  Iris 
  pallida. 
  Seedlings 
  of 
  

   Acacia. 
  Reversion 
  by 
  buds. 
  

  

  VII. 
  Ordinary 
  or 
  false 
  atavism 
  .... 
  185 
  

   Vicinism 
  or 
  variation 
  under 
  the 
  influence 
  

   of 
  pollination 
  by 
  neighboring 
  individ- 
  

   uals. 
  Vicinism 
  in 
  nurseries. 
  Purify- 
  

   ing 
  new 
  and 
  old 
  varieties. 
  A 
  case 
  of 
  

   running 
  out 
  of 
  corn 
  in 
  Germany. 
  

  

  VIII. 
  Latent 
  characters 
  216 
  

  

  Leaves 
  of 
  seedlings, 
  adventitious 
  buds, 
  sys- 
  

   tematic 
  latency 
  and 
  retrogressive 
  evolu- 
  

   tion. 
  Degressive 
  evolution. 
  Latency 
  

   of 
  specific 
  and 
  varietal 
  characters 
  in 
  

   wheat-ear 
  carnation, 
  in 
  the 
  green 
  dahlias, 
  

   in 
  white 
  campanulas 
  and 
  others. 
  System- 
  

   atic 
  latency 
  of 
  flower 
  colors. 
  

  

  IX. 
  Crossing 
  of 
  species 
  and 
  varieties 
  . 
  . 
  247 
  

   Balanced 
  and 
  unbalanced, 
  or 
  species 
  and 
  

   variety 
  crosses. 
  Constant 
  hybrids 
  of 
  

   Oenothera 
  muricata 
  and 
  0. 
  biennis. 
  

   Aegilops, 
  Medicago, 
  brambles 
  and 
  other 
  

   instances. 
  

  

  X. 
  Mendel's 
  law 
  of 
  balanced 
  crosses 
  . 
  . 
  276 
  

   Pairs 
  of 
  antagonistic 
  characters, 
  one 
  ac- 
  

   tive 
  and 
  one 
  latent. 
  Papaver 
  somnif- 
  

  

  