Contents 



Preface vii 



Chapter 1. Introduction 1 



PART ONE. GROWTH 



Chapter 2. Growth in General H 



Chapter 3. The Cellular Basis of Growth 23 



Cell division — Cell size — Experimental studies — Plane of cell division - 

 Cell shape. 



Chapter 4. Meristems 55 



Apical meristems — The shoot apex — Experimental studies on the shoot 

 apex — The root apex — Lateral meristems — Meristems in determinate 

 growth. 



PART TWO. THE PHENOMENA OF MORPHOGENESIS 



Chapter 5. Correlation 95 



Physiological correlations — Genetic correlations. 



Chapter 6. Polarity 116 



Polarity as expressed in external structure — Polarity as expressed in internal 

 structure — Polarity in isolated cells — Polarity in plasmodia and coenocytes 

 - Physiological manifestations of polarity - Polarity and developmental 

 pattern. 



Chapter 7. Symmetry 147 



Inorganic and organic symmetries — Radial symmetry — Bilateral symmetry — 

 Dorsi ventral symmetry — Development of symmetry — Symmetry and form. 



Chapter 8. Differentiation 181 



Growth and differentiation — Differentiation as expressed in structure — Ex- 

 ternal differentiation - Internal differentiation - Differentiation during 

 ontogeny —Differentiation in relation to environment — Physiological dif- 

 ferentiation — Differentiation without growth. 



Chapter 9. Regeneration -30 



Regeneration in the lower plants — Regeneration in the higher plants — 

 Reconstitution — Restoration — Reproductive regeneration. 



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