Morphology of angiosperms : (Morphology of spermatophytes. Part II) / by John Merle Coulter ... and Charles James [!] Chamberlain.

  • Coulter, John Merle, 1851-1928.
Date:
1903
Catalogue details

Licence: In copyright

Credit: Morphology of angiosperms : (Morphology of spermatophytes. Part II) / by John Merle Coulter ... and Charles James [!] Chamberlain. Source: Wellcome Collection.

    14/378
    CHAPTER PAGE VII. —Fertilization 143 Historical resume, 143—Development of pollen-tube, 146—Chala- zogamy, 149—The pollen-tube within the embryo-sac, 151—Dis- charge of pollen-tube, 153—Fusion of male and female nuclei, 153—Centrosomes, 153—Double fertilization, 155—Male cell and male nucleus, 160. VIII. —The Endosperm 165 Contrast between Gymnosperms and Angiosperms, 165—The fusion nucleus, 166—Endosperm without fusion, 166—Endo- sperm and pollination, 167—Division of fusion nucleus, 169— Two methods of endosperm-formation, 171—Function of endo- sperm, 179—Xenia, 179—Morphological character, 181—Nature of triple fusion, 182. IX.—The Embryo 187 Monocotyledons, 188—Alisma type, 188—Pistia type, 192— Lilium type, 193—Orchid type, 194—Dicotyledons, 196—Cap- sella type, 199—Other types, 200—Degree of development, 205 —“ Pseudo-monocotyledons,” 206—Phylogeny of the cotyledon. 208—Parthenogenesis, 210—Polyembryony, 213. X.—Classification of Monocotyledons 227 Spiral series, 328—Cyclic series, 234. XL—Classification of Archichlamydeae 240 XII.—Classification of Sympetalae 252 XIII. —Geographic Distribution of Angiosperms 261 Monocotyledons, 262—Archichlamydeae, 266—Sympetalae, 268. XIV. —Fossil Angiosperms 273 Monocotyledons, 272—Dicotyledons, 276. XV.—Phylogeny of Angiosperms 280 Are Angiosperms monophyletic ? 280—Relation to Gymno- sperms, 283—Relation to Pteridophytes, 285—Theories of alter- nation of generations, 288—Theory of the strobilus, 288—The mutation theory, 292. XVI.—Comparative Anatomy of the Gymnosperms and their Allies 296 Pteridophytes, 296—Cycadofilices, 300—Cycadales, 304—Ben- nettitales, 306—Cordaitales, 307—Ginkgoales, 307—Coniferales, 308—Gnetales, 310. XVII.—Comparative Anatomy of Angiosperms 311 Dicotyledons, 311—Monocotyledons, 314.