in Agricultural Chemistry. 

 K 1.— WEEDS. 



529 



EACH PORTION PER CENT. 



Combustible Matter. 



Elements. 



Azotised. 



Unazotised. 



Inorganic Matter or Ash, 



Authority. 



Liebig . 

 Liebig . 



_fl_ 



30*6 

 28-9 



- 7*2 



- 16-4 



11-4 

 7-2 



Liebig 

 Liebig 



29-3 

 15-5 



Liebig , 



1*7 



Liebig . 



Liebig 



Johnston 



Berthier . 

 Earthier . 



16-5 

 37-5 



28'7 

 21'4 



Chi. 

 0-2 



0*21 9'0I - 

 6-1! 1-21 - 



24-4 

 14*4 



Hodges . 

 Liebig . 



13-3 

 1-4 



46-7 

 33-1 



29*4 

 23*4 



15-1 



Clil, 



Chi. 

 2-1 



1-2 j 1 

 15-7 2-3 



use. There is a large field here open to the researches of Chemists to determine what weeds are most injurious to the 

 like reason. h. I have not been able to give the entire composition of these weeds, but it is a point of no great practical 



like reason. h. I have not been able to give the 



Gardeners' Chronicle,' without giving the authority 



VOL. XIII. 



'1 O 



