110 J. H. Gilbert— Point 



mine whether Plants assimilate Free Nitrogen. 





1 Nitrogen-Grams. 



EE 



[ 2£i | J» 1 or^s. 





1857 an 

 nitrogen 

 The drawings 

 under these 



Wheat... 



00080 



0-0072 



-00008 



0-90 



Barley. .. 



00056 



00082 



+ 00026 



1-46 



Barley ~-.~ 



S-005? 



o'-0056 



+ 00001 



is 



SS*::: 



HZ 



0-0063 



-0-000! 



0-08 



Beans.. . 



Peas .... 



0200 



« 



-o'Zl 



a 





part of the table shows the results obtained in 

 1858 in the experiments in which i o combined 

 is supplied beyond that contained in the seed sown. 

 dw extremely restricted was the growth 

 jonditions, and the figures in the table show that 

 Graminese, the Leguminosse, nor with buck- 

 in any case a gain of three milligrams of 

 snts were conducted in the apparatus of M. G. Ville. 



