122 



Jean White 



Plant i^rowii upright. 



Both sides equally darkened. 



Thickness of Walls 



Red Wood White Wood 



Average 



.0043 mm. 



Averasje 

 .0043 mm. 



Internal Diameter 



Red Wood White Wood 



Average Average 



.0103 mm. 



.0110 mm. 



Tax US baccata. 



Plant grown horizontally. 



White wood on the illuminated side. 



Thickness of Walls 



Red Wood 

 Average 



.0053 mm. 



White Wood 



Average 

 .0070 mm. 



Internal Diameter 



Red Wood 



Average 



.0090 mm. 



White Wood 

 Axerage 



.0080 mm. 



Plant grown vertically. 

 Both sides equally darkened. 



Thickness op Walls 

 Red Wood White Wood 



Average Average 



.0035 mm.. .0035 mm. 



Internal Diameter 



Red Wood White Wood 



Average Average 



.0085 mm. .0060 mm. 



Cpyptomepia elegans. 



Plant grown vertically. 



Lateral branches curved. White wood on illuminated side. 



Thickness of Walls 



Red Wood 



Average 



.0020 mm. 



White Wood 



A\eragc 

 .0050 mm. 



Internal Diametkr 



Red Wood Wliitu Wood 



A\erage Average 



.0080 mm. .0075 mm. 



Lateral branches curved. Both sides e(iually darkened. 

 Thicknkss of Walls Internal Diameter 



Red Wood 

 Average 



.0050 mm. 



White Wood 



Average 

 .0050 mm. 



Red Wood 



Average 



.0060 mm. 



White Wood 



Average 

 .0050 mm. 



