Index 



835 



Heaths, origin of, 662 

 Heather, 577 



Hedera Helix arborea, 437 

 Hedgehog burweed, 140 

 Redysarum, 664 

 Heeger, 582 

 Heer, Oswald, 74, 105 

 Heinricher, 172, 173, 174 

 Eelianthemum, 53, 125, 126, 

 561 



apenninum, 53 



pilosum, 53 



polifolium, 53 



pulverulentum, 53 



vulgare, 440 

 Helicfirysum, 420 

 Helwingia, 678, 678, 683 



rusciflora, 675 

 Hemp, 419 

 Henbane, 283 

 Eepatiea, 322, 490 

 Heredity, 731, 734, 818 



bearers of, 632 



in teasels, 643 

 Besperis, 241, 322 



matronalis, 323, 411 

 Heylandia latebrosa, 450 

 Hibiscus Mosoheutos, 591 

 Hieradum, 59, 439 



alpinum, 698 

 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 



hewastichum, 677, 678 



tetrastiohum, 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 

 Eortensia, 134, 181 

 Horticulture, mutations in, 



604 

 Houseleek, 370, 371 

 Hunn^inan, 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 

 Eydrocotyle, 668 

 Hyoscyamus niger, 283 



pallidus, 283 

 Hypericum, perforatum, 725 

 Hyssopus offioinalis, 161 



Iberis umhellata rosea, 195 

 Improved races, inconstancy 



of 

 Indian cress, 668 



pelorism of, 485 

 Indian pipe, 661 

 Ipecac spurge, 55 

 Iris, 456 



falcifolia, 173 



kaempferi, 174 



lortetii, 521 



pallida, 173 



pallida abavia, 681 

 Isolation, 108 

 Ivy, 436 



