THE TIMI 



rfERCE 



-50 per sq. mm. : i 

 a net-work i 

 I lens, fine, size 5 



. long : (' 

 s per mm. : i 



i-fis. An 







. 



> i genital .* 



No. 189. AM 1 



Natma 



nigra, 

 [NOTE. 



groups of 2- 

 rnible " (69). 

 straight, but avoiding 

 ;|round-tissue : ra 

 spaced, a pore-width 



rrow brown line of 

 a thin pore-ring : con- 



(69). Scattered 



or brown : 



older wood. 



< 'tnered : 





,;ys are minute, 

 .e magnification, 

 oiling. : 



CH. Betula lenta. Linn. 



120. 



irh. B. excelsa, Hook. B. 



: B. alba, Linn. : that of Regel 

 folia. Griseb.] 



,ierry Birch, Mountain 

 i (100). Sweet Birch, Yellow 

 Dwarf Birch in Nova Si 



nada (12). Hainbirke 



' 48 Ibs. per 

 . Holly, Elm. 

 >hol colourless. 

 ' and of spark- 

 shining linings 



caling la 1 

 Birch, 

 rher purposes. 



