Textbook of Theoretical Botany, Volume 2 |
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Page 1359
... layer called the primary parietal layer and an inner layer which is the primary sporogenous layer ( Fig . 1265 ) . The cells of the primary parietal layer divide again , sometimes several times , forming radial files of cells of ...
... layer called the primary parietal layer and an inner layer which is the primary sporogenous layer ( Fig . 1265 ) . The cells of the primary parietal layer divide again , sometimes several times , forming radial files of cells of ...
Page 1484
... layer of highly thickened cells which may be formed from any layer of either integument . Sometimes there may be two or more thickened layers and the protection they afford is often supplemented by fatty cuticles , either between the ...
... layer of highly thickened cells which may be formed from any layer of either integument . Sometimes there may be two or more thickened layers and the protection they afford is often supplemented by fatty cuticles , either between the ...
Page 1486
... layer , which may be a special layer of cells ( Linum ) , or may consist of the caps . of the Malpighian cells or of the walls of the outer epidermis . Where the chief protective layer is not superficial there may be one or more layers ...
... layer , which may be a special layer of cells ( Linum ) , or may consist of the caps . of the Malpighian cells or of the walls of the outer epidermis . Where the chief protective layer is not superficial there may be one or more layers ...
Contents
FLOWERS | 1071 |
POLLINATION AN INTRODUCTION | 1252 |
SEEDS FRUITS AND SEEDLINGS | 1481 |
2 other sections not shown
Common terms and phrases
actinomorphic anatropous androecium Angiosperms anthers antipodal apex axile axis basal base bracts calyx capsule carpels cells colour common contains corolla corolla tube cotyledons cross-pollination cultivated dehisce Dicotyledons dispersal distributed elongated embryo sac enclosed endosperm example female flowers fertilization filaments fleshy floral florets Flowering shoot flowers Fig fruit funicle gardens genera genus germination gynoecium hairs herbs hermaphrodite hypocotyl important inflorescence inner insect integument involucre later layer leaf leaves lobes loculus male flowers margins mature micropyle Monocotyledons nectar Nectar is secreted normal nucellus nuclei occur oosphere outer ovary ovules parietal perianth perianth segments petaloid petals placenta plants pollen grains pollen tube pollination mechanism produced rarely receptacle rhizome seeds self-pollination sepals separate showing shrubs single sometimes species stage stamens stem sterile stigma structure style sub-family surface testa tissue trees tropical unisexual usually vegetative visited wall whorl zygomorphic