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MINNESOTA BOTANICAL STUDIES. 



Table III.— TEiiPEBATURE or Aik and Tree for March, 1894, 



A\erage Temperature of Air, Tree. 



At 6-7 A. M. .52° .64° 



At 12-1 p. 31. 6.1 ° 1.92° 



At 6-7 P. M. 1.43° 2.52° 



For entire day 2.68° 1.69° 



