:^S 



Photoiuictit^raphs of Battviiciil Studies. 



34. T.S. Root, " Pinus sylvestris." Common Pine. 



Cortical tissue. 



Phloem 



Cambium 



Xylem (Secondary 

 wood) 



Primary wood. 

 Resin duct. 



53— L.S. Growing point of stem, " Pinus sylvestris, " Common Pine. 



stem. 



active 



'^■S^^Mm^^MW. 





