Dixon and Atkins — Osmotic Pressures in Plants. 



447 



Botanic Garden, and two growing in a garden outside Dublin, and removed 

 from the smoky atmosphere of the city. Most of the experiments were made 

 on tlie first-mentioned tree, and are denoted in the table by an asterisk. 

 These results are plotted in the graphs of fig. ]. Where two experiments 

 were made on the same date — one on the inner leaves and one on the outer 

 leaves of a bud — the mean is plotted. In Table I the observations marked 

 Svv and Se were made on the two country plants having respectively a 

 western and eastern aspect. 



Table I. 

 Syringa vulgaris : Leaves. 



4 b2 



