Preface, viii Introduction, IX Sources for Figures, xi Chapter 1: An introduction to flowering plants, 1 Alternation of generations, 1 Gametophyte development, 1 Development of the sporophyte, 3 Further reading, 18 Chapter 2: Characteristics of plant development, 19 Plant cells, 19 Larger patterns, 24 Theoretical framework for the study of developmental mechanisms, 26 Conclusions, 27 Further reading, 27 Chapter 3: Cell-intrinsic information, 29 Lineage, 29 Case study 3.1: Laser ablation of cells in the Arabidopsis root tip, 34 Case study 3.2: Green-white-green periclinal chimeras, 36 Case study 3.3: Mutations affecting division patterns, 39 Relationship between age and position, 43 Case study 3.4: Mutations affecting the rate of leaf initiation in Arabidopsis, 44 Conclusions, 46 Further reading, 46 Chapter 4: Primary axis development, 48 Embryonic axes, 48 Case study 4.1: Longitudinal axis of the Fucus embryo, 49 Case study 4.2: Longitudinal axis of the Arabidopsis embryo, 54 Case study 4.3: Radial axis of the Arabidopsis embryo, 64 Conclusions, 71 Further reading, 71 Chapter 5: Axis development in the leaf and flower, 74 Leaves, 74 Case study 5.

1: Adaxial-abaxial axis of the leaf, 75 Case study 5.2: Proximodistal axis of the leaf, 84 Case study 5.3: Determinate nature of leaf development, 87 Flowers, 91 Case study 5.4: Radial axis of the flower, 92 Case study 5.5: Adaxial-abaxial axis of the Antirrhinum flower, 100 Conclusions, 104 Further reading, 105 Chapter 6: Position relative to a particular cell, tissue or organ, 110 Case study 6.1: The pattern of trichomes on the Arabidopsis leaf, 111 Case study 6.2: The pattern of root hairs in Arabidopsis, 116 Case study 6.3: Phyllotaxy, 123 Case study 6.

4: Coordination of leaf and vascular development, 131 Conclusions, 134 Further reading, 134 Chapter 7: Light, 138 Light perception, 138 Developmental responses to light, 143 Case study 7.1: Light-induced germination, 143 Case study 7.2: Seedling etiolation and photomorphogenesis, 146 Case study 7.3: Shade escape, 151 Case study 7.4: Phototropism, 154 Case study 7.5: Photoperiodic control of flowering, 156 Conclusions, 161 Further reading, 161 Chapter 8: Environmental information other than light, 165 Case study 8.1: Gravitropism, 165 Case study 8.2: Thigmomorphogenesis, 172 Case study 8.

3: Effects of uneven nutrient supply on root development, 177 Case study 8.4: Vernalization, 180 Conclusions, 186 Further reading, 186 Chapter 9: The coordination of development, 190 Case study 9.1: Initiation and maintenance of the shoot apical meristem, 191 Case study 9.2: Transition from embryonic to post-embryonic development, 200 Case study 9.3: Phase transitions in post-germination development, 203 Case study 9.4: Shoot branching, 213 Conclusions, 219 Further reading, 220 Chapter 10: A comparison of plant and animal development, 224 Control of cell fate, 225 Development of pattern, 226 Consequences of autotrophy versus heterotrophy, 229 Conclusions, 230 Further reading, 230 Index, 233.