﻿

± 



ursp 



£££ 



Wald 







9 



4 



10 



5? 



Betula spp. 





1 

 1 



4-5 





1 + 



- 



- 



1-2 



1-2 





1 













4-5 



2-4 











! 



i 

 i 



6 



3 



6-7 

 I 



5-6 





I 



4-5 



5 

 1 



I 



- 



I 



(I) 



5-6 4-5 



i+ n+ 



i — 

 i- — 



( " r 



i+ i 





(1+) 



V 



III 





I- 



V 







S3 



(I) 



IV 



(I) 



I 



II 



II 





I 

 I 



1 + 



(I-) 

 I 



II 



I- 

 I 



II 



