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•i-LiAM A. SETCHEL' 



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A Magrazine of General Botany 



VOLUME 17 

 NUMBER 6 

 J U IN^ E 19 14 



PR 



tA 





3 

 Jit 



•»^ 



Notes on the Flora of Some Alaskan Sphagnum 



By George B. Rigg / 167 



An Improved Cog Psychrometer 



By Harry B. Shaw 183 



Notes on the Flora of Louisiana. I. 



By R. S. Cocks 186 



Books and Current Literature 192 



Notes and Comment 197 



PUBLISHBD MONTHLY 



OFFICE OF PUBLICATION 



241»-21 York Road 



baltimore, md. 



EDITORIAL OFFICE 



TUCSON. ARIZONA 



Entered as aecond-class matter March 9. 1912, at the poat office at Baltimore. Maryland, under the Act of July 16, 1894 



