HEAT PRODUCED BY LEAVES 



289 



TABLE 7-b 

 Robinia pseud-acacia 



These leaves were fully grown, picked September 28, 1911, in the morning of 

 a warm, humid, rather cloudy day. 



* Containing 33 grams. 

 t Containing 38 grams. 

 XX Containing 2 kg. 



When removed, on October 4, the leaves in the Dewar flasks were brownish, 

 and the odor indicated that some fermentation had taken place. The leaves in 

 the carboy were rotted, and there was a slight growth of fungus. 



Molisch's results are given in the comparative table. 



