CHAPTER XVI. 



CLASSIFICATION. 



NECESSITY FOR BASIS OF CHARACTERS -* SHAPE ITS REGULARITY 

 FLAVOR COLOR THEIR SEVERAL VALUES THOMAS' CLASSIFI- 

 CATION GERMAN WRITERS DIEL'S SEVEN CLASSES MODIFICA- 

 TIONS BY DOCHNAL ROBERT HOGG'S MODIFICATION BASED UPON 

 SEASON DIEL'S CONSPECTUS OF CLASSIFICATION DOCHNAL'S 

 THE AUTHOR'S CLASSIFICATION EXPLAINED EXPLANATION OF 

 TERMS TOPICS COMBINED CONSPECTUS OF CLASSIFICATION USED 



IN THIS WORK. 



The need of some classification grows more and more 

 pressing, as our fruit lists have become more extended, 

 and they now reach many hundreds. A good and reliable 

 systematic classification has become absolutely necessary, 

 and has received a great deal of consideration. 



Upon what principle shall this classification be founded ? 

 The common alphabetical arrangement of most text books 

 may be very convenient for a mere dictionary of fruits, 

 but is utterly useless to the novice who does not know 

 the name of his specimen. The arrangement by season 

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