XX 



Fig. No. 

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11:^ 



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LIST OF ILLUSTRATIONS 



Section of Cucumber _ _ - 



„ Gourd _ - . 



„ Turnip > - - 



„ Tomato - - - 



The fibres or tubes of the Potato - 



Potato in section _ - - 



The Jerusalem Artichoke 



Acorns in series _ - - 



Ivy Leaves in series 



Fuchsias in series-parallel - 



Cherry Apples in parallel - 

 Horse Chestnut leaves in parallel 



Apples, in parallel . - - 



Geranium flowers in parallel 

 Elderberries in series-parallel 

 Grapes, in series-parallel 

 Peas, in series-parallel 

 Runner Beans, in series-parallel 

 Electrical structure of the Apple 

 „ >> Onion 



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