[10] 90 FLOWERING PLANTS 



Woody (Arboreal) Stems (continued). 



C. Examine the transverse section of a Maple branch three years old and draw a diagram shewing (i) the 

 cork ; (2) the outer cortex ; (3) the inner cortex ; (4) the pericyde ; (5) the secondary phloem ; (6) the cambium ; 

 (7) the secondary xylem with three annual rings ; (8) the principal secondary rays ; (9) the primary xylem, and 

 (10) the pith. 



D. Examine the branch of Portugal Laurel that has been kept with its cut end in a coloured solution. Split 

 it longitudinally and note that the solution is carried up in the wood only. 





