1 38 LECTURE VIII. 



the plastic food-materials those, namely, which are used for 

 the building up of the organised structures of plants un- 

 dergo after their absorption, in other words, the processes 

 of constructive metabolism. 



BIBLIOGRAPHY. 



Johnson; How Crops grow (ed. Church and Dyer), 1869. 

 Phillips; Amer. Journ. of Science, 1882. 

 Cameron; Trans. Brit. Assoc., 1857. 

 Knop and Wolf; Chem. Centralblatt, 1866; Landw. Versuchsstat., x, 



1868. 

 Stutzer; Ber. d. deutsch. chem. Ges., IX, and Landw. Versuchsstat., 



xxi, 1878. 



Schmoeger; Ber. d. deut. chem. Ges., xn, 1879. 

 Lawes, Gilbert, and Pugh; Phil. Trans., 1860. 

 Boussingault ; Agronomic, I, 1860. 

 Pasteur; Ann. Chim. et Phys., ser. 3, t. LXIV, 1862. 

 Lehmann; Centralblatt fur Agrikulturchemie, vn. 

 Schulze and Urich; Landw. Versuchsstat., XX, 1877. 

 Boussingault ; loc. ctt., p. 255. 



Schonbein; Ann. d. Chem. und. Pharm., CXXIV, 1862. 

 Berthelot; Comptes rendus, LXXXIII, 1876. 

 Hermann; Journ. f. prakt. Chem., 22, 23, 1841. 

 Warrington ; Journ. Chem. Soc., 1878 9. 

 Schlosing and Miintz; Comptes rendus, LXXXIX, 1879. 

 Arendt; Die Haferpflanze, Leipzig, 1859. 

 Hellriegel; Landw. Versuchsstat., iv, 1862. 

 Hoppe-Seyler; Physiologische Chemie, I Theil, 1877. 

 Loew; Pfliiger's Archiv., XXII, 1880. 

 Boussingault; loc. cit., p. 253 5. 



Lawes and Gilbert ; Composition of Rain and Drainage- waters, 1882. 

 Nobbe; Die organische Leistung des Kaliums, 1871. 

 Naegeli ; Sitzber. d. Akad. d. Wiss. zu Miinchen, 1880. 

 Gris; Ann. d. sci. nat., 1857. 

 Leydhecker ; Landw. Versuchsstat., VIII, 1866. 

 Beyer; Landw. Versuchsstat., xi, 1869. 



Knop und Dworzak; Ber. d. sachs. Ges., 21, 1869, and 27, 1875. 

 Farsky ; Abhl. d. k. b.ohm. Ges., ser. 6, vol. x, 1879. 

 Lange; Ber. d. deut. chem. Ges., xi, 1878. 

 Pfitzer; Flora, 1877. 

 Sachs; Experimental Physiologic, 1865. 

 Wolff; Landw. Versuchsstat., XXVI, 1881. 

 Sir Humphry Davy ; Elements of Agricultural Chemistry, 2nd ed., 



1814. 



