viii BRITISH PLANTS 



CflAPTHB PAGE 



XIV. THE DEFENSIVE EQUIPMENT OF PLANTS - - 135 



XV. THE STORAGE OF FOOD-EBSERVES — ^ECONOMIC BOTANY - 145 



XVT. EEPEODrOTION — MODES OF VEGETATIVE EEPEODITOTION 153 



XVU. RBPRODTJCTION BY SHED — ^POLLINATION 162 



XVm. FRUITS AND SEEDS . . - . . 183 



PART III 



THE BRITISH FLORA : ITS EVOLUTION AND PRESENT 

 DISTRIBUTION 



XIX. VAEIATION AND THE EVOLUTION OF SPECIES - - 201 



XX. THE OEIGIN OF THE BEITISH FLOEA - 207 



XXE. THE CLASSIFICATION OF PLANTS- - - 217 



XXII. PLANT ASSOCIATIONS AND FORMATIONS - - 223 



XXm. AQUATIC VEGETATION .... 233 



XXIV. VEGETATION OF THE MAESH AND BOG - - 240 



XXV. MOORLAND ASSOCIATIONS .... 248 



XXVI. GRASSLAND ASSOCIATIONS .... 257 



XXVU. WOODLANDS ...... 265 



XXVnl. MARITIME ASSOCIATIONS .... 275 



XXIX. VEGETATION OF EOCKS AND WALLS - - 286 



XXX. HEDGEROWS — CULTIVATED AND WASTE LAND - - 292 



APPENDIX I. — WBISMANN'S LAW OF HEREDITY, 1885 299 



APPENDIX II. THE MBNDELIAN THEORY, 1865, 1901 299 



APPENDIX ni. — BOTANICAL PROVINCES - 302 



APPENDIX IV. — BIBLIOGRAPHY - - 303 



GENERAL INDEX - • 311 



INDEX TO NAMES OF PLANTS IN PART III ■> - - 331 



