ERRATA. 



p. 173, line 20, for CaCO, read Ca(C00H)2 ; for CHO read CH^O. 



p. 174, line 1 and line 36, for CaCOg read Ca(C00H).2 ; also on p. 176, 

 line 22. 



p. 182, for line 23 ve-.u] — 



*' in tlie Pavy method converts it into urotropin so that it iloes not ' 



p. 190, for- Arundo Phraj/mites, L. (Phra<if mites communis, Trin.) lead — 

 Phra<jjmites conmiunis, Tiin. (Arundo Plu'agmites, L.) 



p. 205, for Ulmis read Ulmus. 



p. 207, under Verbaseum replace the repeated line hy— 



" bascum Thapsus, L., and L. viigatum. With., are given as natu- 



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