166 



Forestry Quarterly 



The tabulated results follow. 



TABLE I 



Series I. Calm Sunny Day 



Trees Surviving of Each 100 (%) on Final Count 



Spring 

 Per Ce-nt. 



90 

 86 



72 

 62 

 69 

 56 

 76 



90 



92 



Series II. Calm Cloudy Day 



78 

 81 

 67 



89 

 53 

 43 



58 

 60 

 26' 

 62* 



Unexposed check 84 



85 



84 



Unexposed check 93 



84 



68 

 41 

 55 

 43 

 29 

 10 

 6 



87 



The results in Table I show some irregularity, which is to be 

 expected. In order to make the general tendencies stand out more 

 prominently, this table is contracted (with doubtful results 

 omitted) in Table 11. Fractions are rounded off. 



"Data omitted on account of Lophodermium attack. 

 'Trees somewhat larger than average. 

 ""Trees somewhat smaller than average. 



