XIII 
XVI 
XVII 
XVIII 
XIX 
xx 
CONTENTS 
PAGE 
INTRODUCTION . fs J . ; : ‘ 9 
THE PLANT AND ITS FOOD. : ‘ é z 13 
EVOLUTION OF CELLULAR STRUCTURE IN SIMPLE 
PLANTS . ; ‘ 3 : ae 
THE CELLS AND THE ORGANISM. : 3 i 40 
THE ‘‘NON-CELLULAR” TYPE OF ORGANISATION 49 
THE GREEN LEAF ; ‘ : ‘ : ‘ee | 
ROOTS AND THEIR FUNCTIONS . . . . @i 
CORRELATION OF FUNCTION AND FORM . e 86 
MECHANICAL PROBLEMS AND THEIR SOLUTIONS. 90 
SPECIAL FEATURES OF CLIMBING AND WATER 
PLANTS . F a . A . a 208 
ADAPTATION ‘ : » R ‘ ie | 
RELATION OF PLANTS TO WATER ° ° » Sol 
THE EPIPHYTES . ‘ ‘ , . ° » 149 
THE FUNGI. : : . ° . ° a SOE 
FUNGAL PARASITES . g . ° ° ao a 
FLOWERING PARASITES . " ° ° ee 
COMPOUND ORGANISMS. ‘ ‘ ° . . 189 
VEGETATIVE REPRODUCTION . . P - 204 
SEXUAL REPRODUCTION | 4 ° ; <./ oa 
THE CELL-NUCLEUS AND FERTILISATION. » 226 
BIBLIOGRAPHY . ‘ ‘ ; " . BBR 
INDEX. ': ° . . ‘ : } . 258 
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