LIST OF PLATES 



PLATE TO FACE PAGE 



I. Flower Movements of Mesembryanthemum 



Frontispiece 



II. Root System of Scots Pine .... 



III. Leaf Arrangement .... 



IV. Phyllanthus glaucescens and Rubus australis 

 V. "Sleep" Movements of Leaves . 



VI, Wind- and Insect-Pollinated Flowers 



VII. Linaria Cymbalaria .... 



VIII. Youth and Adult Leaf Forms . 



26 



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192 

 206 

 376 

 406 



444 



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IX 



