446 INTRODUCTION TO EMBRYOLOGY OF ANGIOSPERMS 



Germination of pollen, 181, 380 



Geum, 276, 277, 281, 302 



Ginalloa, 99 



Ginkgo, 411, 412 



Gladiolus, 58 



Glandular tapetum, 35, 36 



Globular ia, 243 



Gloriosa, 32, 76, 77 



Gnetallan theory, 413, 418 



Gnetum, 412, 413, 416, 418-422 



Golgi body, 161 



Gomphandra, 56 



Gonocaryum, 56 



Goody era, 296 



Gossypium, 58, 183, 186, 204, 226, 351, 



376, 388 

 Grafting of styles, 378, 379 

 Granular markings on tapetum, 36, 37 

 Grape, 398 

 Grapefruit, 398 

 Gratiola, 291 

 Grevillea, 188, 227, 229 

 Grindelia, 134 

 Gunner a, 108, 110 

 Gymnadenia, 296 

 Gypsophila, 229 



Habenaria, 46, 296 

 Haberlea, 291 

 Halophila, 45, 47 

 Hamamelis, 190 

 Haploid apogamy, 313 

 Haploid-diploid twins, 351 

 Haploid embryos, 205, 314, 391 

 Haploid parthenogenesis, 205, 209, 313, 



393 

 Haploid-triploid twins, 352 

 Hartmannia, 97 

 Haustoria, 77, 78, 133-135, 141, 209, 



227-245, 249, 283, 291-298, 303 

 Haworthia, 370 

 Heckeria, 118 

 Hedychium, 91, 165 

 Helianthemum, 58 

 Heliotr opium, 59 

 Helixanthera, 143, 298 

 Helleborus, 380 



Helobial type of endosperm, 221, 245 



Heloniopsis, 248 



Helosis, 64, 132, 204, 229 



Hemerocallis, 165, 397 



Heptapleurum, 138 



Heterofertilization, 208 



Heterostyly, 193 



Hibiscus, 4 



Hicoria, 209 



Hieracium, 326-328, 334 



Himantoglossum, 154 



Hiptage, 335 



Histology of endosperm, 255 



Holopteiea, 30, 31, 33, 40, 164 



Hordeum, 181, 191, 192, 203, 269, 376, 387 



Hormone, 380, 400 



Hosta, 395 



Houstonia, 61-63 



Hyacinthus, 171, 172, 174 



Hybrids, 3, 41, 46, 183, 384, 386, 387 



Hydrilla, 70-72, 88, 210 



Hydrobium, 103 



Hydrocharis, 35 



Hydrophyllaceae, 237 



H ymenocallis , 58, 68 



Hyoscyamus, 3, 250 



Hypecoum, 134, 295, 297 



Hypericum, 252, 253, 327 



Hypophysis, 272, 273 



Hypostase, 65, 91, 210 



Hypoxis, 248 



I 



Ianthe, 248 

 Identical twins, 351 

 Ilex, 401, 404 

 Ilysanthes, 242 



Impatiens, 164-166, 191, 232, 234, 255 

 Incompatibility, 193, 194, 381 

 Induced parthenocarpy, 398 

 Induced parthenogenesis, 391 

 Integumentary obturator, 187 

 Integumentary tapetum, 63, 65, 395, 396 

 Integumentary vascular bundles, 67, 68 

 Integuments, 55, 187 



Interval between pollination and fertil- 

 ization, 190, 191 

 Intine, 181 

 Lntracarpellary pollen grains, 422, 423 



