publication. We have since examined it, and find it a 

 decided improvement upon the first edition ; the paper and 

 printing are better, the colour of the flowers and many 

 useful signs indicating general characters of growth have 

 been added throughout; it contains nearly two hundred 

 pages more than before; and, as far as we can ascertain, 

 by taking an average of the pages, it comprehends about 



species and 



J. L. 



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f. 



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