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NOTICE. 



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This Synoptical Mantissa being a Supple- 

 ment to all the works on Dendrology and Xylo- 

 gy, as well as to my own : those New G. and Sp. 

 of Trees and Shrubs already described by my- 

 self in my various works a!nd Flc/fas, above all 

 my two late Flora TkLLiJRiANX' and Flora of 



North America, as well as my Medical 

 Flora of the 'United ^^at'es, will seldom be no- 

 ticed or repeated here 



The whole of the New Genera of ^uchTi 

 ill be duly reduced to their natural orders, 

 Table formed of them : so as to presen 



at 



once 



of the generic additions to t 



of 



natural groups, and a proper classification 

 such additional Discoveries or Revisions. 



But few Genera of which only the flowers 

 are known and not the fruit, or viceversa, will 

 be introduced ; but some may, as did Gaertner 

 and others when they only obtained imperfect 

 materials or figures. 



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