1& 



CHAPTER n. 



INORGANIC PART OF PLANTS. 



Tlw ash, <a inor^uiie part of pUnts. Names of rabstanees which 

 CfNMlitBtc this part : Potash, Soda, Lime, Magoesia, Oxide of 

 IxML, Oxide of Manganese, Silica, Chlorioe, Sulphuric acid, 

 Pheaphoric acid. Description of their several properties. 



SBCnOif L 8UBSTAI«CES WHICH C0N8TITDTB THB INOSeANiO 

 PART OF PLAWTS. 



It will be remembered, that although by far the 

 larger portion of the plant disappears when fire is 

 applied, there is always something remaining called 

 the ash, or, as has been before explained, the inorganic 

 part This name inorganic was given to denote a 

 ^riking difference between these two great classes of 

 bodies, the or)]c^nic and the inorganic : the one being 

 products of life and living organs; the other only 

 taken bv the organs to ans^^ n purposes, not 



having been formed by them, iike them liable 



to quick destruction. 



This ash constitutes so small a part of all living 

 plants, that it was for a long time thought to be a 



qiecies of ;-'-•-' ■- *- hut after a time, it 



Wi4 ibund were almost alwars 



present in tiic iii>h oi < The 



mkof the «tamf plant, • Ss, wv 



faand ' uattire; 



thasKl Mnately 



ever) ' t with its roots, 



but ha.. .V .<..;,..)-..■, w; .'^.t.v;.'^'... 



