232 



BIRCH 



A Buds small, on long and very 

 slender whip-like twigs rough 

 with verrucose glands or lenticels, 

 and resinous-odorous or waxy. 

 Leaf-scar small, nearly ellipti- 

 cal, with 3 minute leaf-traces. 

 Pith small, irregular and green. 



rf Twigs more or less pendent, 

 with minute rough waxy glands 

 on\them and on the small buds, 

 or with distinct lenticels. 



Fig. 119. Birch, Betula alba. The left-hand figure enlarged, p. 233 (D). 



