32 



gated in the same Journal, by Professor 

 Dewej. He has described eighty-four 

 species, of which many are entirely new. . 

 The same subject has been recently pur- 

 sued by Mr. De Schweinitz and Dr. Torrey 

 in the Annals of our Lyceum. This Mono- 

 graph of the JVorth American species of the Ge- 

 nus Carex^ contains one hundred and thir- 

 teen species, or more than double the num- 

 ber of species hitherto described in any 

 work on American Botany. 



The want of good elementary works on 

 botany, has long been felt in this country. 

 Those of Locke, Sumner, and Welch, and 

 the republication of Smith's Grammar of 

 Botany and other elementary books, have 

 powerfully contributed to increase the num- 

 ber and activity of our young botanists. A 

 sufficient evidence of the increased atten- - 

 tion paid to this science, is to be found in 

 the fact that four successive editions of 

 Eaton''s Manual of Botany have been publish- 

 ed within the last four years. 



Hitherto our botanists have almost una- 

 nimously agreed to consider the phenoga- 

 mous part of the vegetable kingdom as an 

 insulated study. From the comparatively 



