STATISTICS OF METASPERMAE. 



641 



recollected, the reverse was the case. In the northern extra- 

 tropical generic element the parallelism is resumed as appears 

 in the next table. 



In the above the Archichlamydeae appear once more as 

 distinctly extratropical, both numerically and by percentage. 



The next tables indicate in a most convincing manner the 

 juniority of the Metachlamydeae. Both of these tables are in 

 line with the tabulations of families which precede and those 

 of species which are to follow. 



Prom the above the weak position of the Archichlamydeag 

 and the strong position of the Metachlamydese as furnishing 

 sub-endemic genera is very apparent. Of the total group of 

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