26 
PHARMACEUTICAL BOTANY 
Fig. 7. — Transverse section of white pine needle (leaf) showing epidermis (a), 
infolded parenchyma cells of mesophyll ( b , b'), oil reservoir (c), endodermis ( d ). 
and clear cellular area surrounding fibrovascular tissue in center (e). 
Fig. 8. — Staminate cones of the Austrian pine ( Pinus austriaca) . Below, before 
shedding pollen; above, after shedding. (Gager.) 
