﻿Index 
  

  

  835 
  

  

  Heaths, 
  origin 
  of, 
  662 
  

   Heather, 
  577 
  

  

  Hedera 
  Helix 
  arborea, 
  437 
  

   Hedgehog 
  burweed, 
  140 
  

   Hedysarum, 
  664 
  

   Heeger, 
  582 
  

   Heer, 
  Oswald, 
  74, 
  105 
  

   Heinricher, 
  172, 
  173, 
  174 
  

   Helianthemum, 
  53, 
  125, 
  126, 
  

   561 
  

  

  apenninum, 
  53 
  

  

  pilosum, 
  53 
  

  

  polifolium, 
  53 
  

  

  pulverulentum, 
  53 
  

  

  vulgare, 
  440 
  

   Heliclirysum, 
  420 
  

   Helwingia, 
  678, 
  678, 
  683 
  

  

  rusciflora, 
  675 
  

   Hemp, 
  419 
  

   Henbane, 
  283 
  

   Hepatica, 
  322, 
  490 
  

   Heredity, 
  731, 
  734, 
  818 
  

  

  bearers 
  of, 
  632 
  

  

  in 
  teasels, 
  643 
  

   Hesperis, 
  241, 
  322 
  

  

  matronalis, 
  323, 
  411 
  

   Heylandia 
  latebrosa, 
  450 
  

   Hibiscus 
  Moscheutos, 
  591 
  

   Hieracium, 
  59, 
  439 
  

  

  alpinum, 
  696 
  

  

  Hildebrand, 
  160, 
  240, 
  241 
  

   Hoffman, 
  160, 
  663 
  

   Hofmeister, 
  160, 
  370, 
  480 
  

   Holbein, 
  164, 
  596 
  

   Holly, 
  140, 
  196 
  

   Holtermann, 
  449, 
  451 
  

   Hollyhock, 
  427 
  

   Honeysuckle, 
  674 
  

  

  ground, 
  443 
  

   Hordeum 
  distichum, 
  677 
  

  

  hexastichum, 
  677, 
  678 
  

  

  tetrastichum, 
  677 
  

  

  trifurcatum, 
  676, 
  678 
  

  

  vulgare 
  trifurcatum, 
  203 
  

   Hornbeam, 
  European, 
  180 
  

   Horse-chestnut, 
  219 
  

  

  thornless, 
  234 
  

   Horsetail, 
  Canadian, 
  695 
  

  

  European, 
  649 
  

  

  Horsetail, 
  family, 
  641 
  

   Horse-weed, 
  132 
  

   Canadian, 
  453 
  

   Hortensia, 
  134, 
  181 
  

   Horticulture, 
  mutations 
  in, 
  

  

  604 
  

  

  Houseleek, 
  370, 
  371 
  

   Hunneman, 
  John, 
  521 
  

   Hyacinths, 
  178, 
  323 
  

  

  white, 
  160 
  

   Hybrids, 
  58, 
  201, 
  202, 
  206, 
  

  

  250, 
  575 
  

   between 
  elementary 
  species, 
  

  

  253 
  

   constant, 
  263, 
  264, 
  265, 
  266, 
  

  

  267, 
  268, 
  269 
  

   law 
  of 
  varietal, 
  716 
  

   Mendelian, 
  324 
  

   nature 
  of, 
  20 
  

   species, 
  256, 
  260 
  

   splitting 
  of, 
  210 
  

   varietal, 
  208, 
  209, 
  247 
  277, 
  

   278, 
  279, 
  281, 
  285, 
  293, 
  

   294 
  

   Hybridization, 
  706, 
  751, 
  752, 
  

  

  758, 
  759, 
  764 
  

   Hydrocotyle, 
  668 
  

   Hyoscyamus 
  niger, 
  283 
  

  

  paUidiis, 
  283 
  

  

  Hypericum 
  perforatum, 
  725 
  

   Eyssopus 
  ojficinalis, 
  161 
  

  

  Iberis 
  umbellata 
  rosea, 
  195 
  

   Improved 
  races, 
  inconstancy 
  

  

  of 
  

   Indian 
  cress, 
  668 
  

  

  pelorism 
  of, 
  485 
  

   Indian 
  pipe, 
  661 
  

   Ipecac 
  spurge, 
  55 
  

   Iris, 
  456 
  

  

  f 
  aid 
  folia, 
  173 
  

  

  Icaempferi, 
  174 
  

  

  lortetii, 
  521 
  

  

  pallida, 
  173 
  

  

  pallida 
  abavia, 
  681 
  

   Isolation, 
  108 
  

   Ivy, 
  436 
  

  

  