MATERIAL TRANSFORMATIONS IN THE PLANT 



177 



Seeds 



Seedlings 



Gain or Loss 



During 

 Germination 



Total dry weight 



Simple proteins 



Nucleui and plastin 



Asparagin and glutamin 



Lecithin 



Fats 



Sugars 



Soluble organic acids. . . 



Cellulose 



Hemicelluloses 



100.00 

 24.06 

 0.96 

 0.00 

 0.44 

 SS-32 

 3-78 

 0.56 

 ^■S4 

 0.00 



88.98 



13-34 



4.0s 



3-6o 



0.71 



21.82 



13.12 



2.16 



10. 25 



3-41 



— II. 12 



— 10.72 

 + 3-09 

 + 3-6o 

 + 0.27 

 -33-5° 

 + 9-34 

 + 1.60 



+ 7.71 

 + 3-41 



The main facts regarding germination may of course be most readily demon- 

 strated from the study of seeds germinated in darkness. Germination in light 

 is identical with that in darkness except for the additional assimilation of carbon 

 and mineral constituents.^ 



* For a treatise on seed germination see: Detmer, Wilhelm, Vergleichende Physiologie des Keimungs- 

 processes der Samen. Jena, 1880. 



