171 



Betula alba Lin. (verrucosa et odorata). 



Löfsprickning. 



1861 V 15, 62 V 20, 63 V 12, 64 VI 7, 



65 V 17, 67 VI 17, 68 V 13, 69 V 16, 

 70 V 12, 72 V 9, 75 V 22. 



1856 V 18, 57 V 23, 58 V 15, 59 V 19, 

 60 V 21, 61 V 26, 62 V 13, 64 VI 3, 



65 V 19, 66 V 28, 67 VI 12. 



1857 V 25, 58 V 14. 



1861 V 30, 62 V 15, 64 VI 6, 66 VI 1, 

 67 VI 16, 68 V 21, 69 V 13, 71 V 31, 

 72 V 14. 



1856 V21, 57 V 23, 58 V 15, 59 V 17. 



1858 V 15, 59 V 18, 60 V 15, 64 VI 1, 

 67 VI 14, 68 V 18, 69 V 14, 71 V 31, 



72 V 10. 



1857 V 26, 58 V 29. 

 1857 V 10. 



1856 V 16. 



1856 V 9, 61 V 28, 62 V 15, 63 V 23, 



64 V 31, 65 V 16, 66 V 23, 68 V 16, 



69 V 13, 70 V 13. 

 1856 V 17, 59 V 17. 



1863 V 13, 64 V 29, 65 V 17. 

 1870 V 16, 71 V 24. 



1859 V 17, 60 V 7. 

 1856 V 19, 57 V 22. 



1856 V 14, 57 V 21, 58 V 12, 59 V 20, 



60 V 12. 

 1861 V 26, 62 V 12, 64 VI 3, 65 V 16, 



66 V 28, 67 VI 8, 68V13, 14, 69 V 12, 



70 V 9, 71 V 24, 72 IV 27, 73V12(?), 

 74 V 26, 75 V 16. 



1861 V 27, 62 V 12, 63 V 14, 64 V 30, 



65 V 17, 66 V 28, 67 VI 15, 68 V 11, 

 69 V 14, 70 V 3, 71 V 24, 72 V 1, 



73 V 23, 74 V 26, 75 V 17. 



