é “749 
35 BS tructural and Physiological BHAT Ngee 
ware Td a 
NURSE 
S a 
aE 
we aw 
ae= 
ace 
7 pegs 
a 
‘eam. 
@ aly} 
& 
Fic. 472.—A. Part of a transverse section through the stem of Bryoniz alba; 0 epi- 
dermis; C outer cortex (collenchyma) ; R inner cortex ; v ring of lignified cells rf 
p parenchyma of the stem ; G vascular bundle (x 80). 
| 
