Senile Changes in Leaves of Certain Plants 305 



TABLE 11 (concluded) 



Number of leaf 



Length 

 (centimeters) 



Breadth 

 (centimeters) 



Area 



(square 



centimeters) 



Weight 

 (grams) 



Area of 



islets 



(square 



millimeters) 



Vine 11, 1.3 centimeters in diameter, 6 annual rings (only nine leaves picked) {concluded) 



15 

 14 



17 

 15 



13 

 11 

 16 



12 



140 



1.6 



0.4006 



98 



1.0 



0.4213 



190 



2.2 



0.4313 



126 



1.4 



0.3679 



Vine 12, 15.3 centimeters in diameter, 57 annual rings 



1 



9 



9 



10 



10 



9 



9 



8 



10 



8 



8 



10 



9 



10 



10 



8 

 10 



7 

 9 



8 

 7 



60 

 54 

 66 

 73 

 48 

 60 

 40 

 63 

 41 

 40 



0.8 

 0.7 

 0.7 

 0.9 

 0.6 

 0.7 

 0.5 

 0.7 

 0.4 

 0.5 



1543 



2 



0.1678 



3 



0.1751 



4 



0.1642 



5 



0.1657 



6 



0.1635 



7 



8 



0.1706 

 0.1613 



9: 



10 



0.1534 

 0.1642 







Average area of islets for vine with 6 rings . 3946 square millimeter 



Average area of islets for vine with 57 rings 0. 1640 square milhmeter 



TABLE 12.- Area of Vein Islets in Leaves of Vines 13 and 14 



Number of leaf 



Length 

 (centimeters) 



Breadth 

 (centimeters) 



Area 



(square 



centimeters) 



Area of 



islets 



(square 



millimeters) 



Vine 13, 1.3 centimeters in diameter, 6 annual rings (only five leaves picked) 



13 

 15 

 12 

 10 



12 



10 



10 



9 



5 



109 



108 



84 



65 



30 



Vine 14, 5.1 centimeters in diameter, 16 annual rings 



180 



70 



110 



112 



16 



16 



10 



10 



13 



12 



13 



13 



1.2 



0.3597 



1.1 



0.4213 



0.9 



0.3489 



0.7 



0.4106 



0.4 



0.4511 



2.1 



0.3209 



0.9 



0.2871 



1.2 



0.2696 



1.2 



0.3213 



