310 Harris M. Benedict 



TABLE 18. Area of Vein Islets in Leaves of Vines 25 and 26 



Number of leaf 



Length 

 (centimeters) 



Breadth 



(centimeters) 



Area 



(square 



centimeters) 



Weight 



(grams) 



Area of 



islets 



(square 



milHmeters) 



Vine 25, 3 centimeters in diameter, 11 annual rings (only five leaves photographed) 



13 

 14 



14 

 13 



12 



14 

 13 

 15 

 15 

 13 



125 

 130 

 145 

 135 

 100 



1.4 

 1.5 

 1.6 



1.5 

 1.1 



0.3761 

 0.3506 

 0.3391 

 0.3476 

 0.3736 



Vine 26, 12.7 centimeters in diameter, 35 annual rings (only five leaves photographed) 



1 



2 



3 



12 

 13 

 14 

 11 

 12 



11 

 13 

 15 

 13 

 13 



90 

 100 

 150 

 100 

 110 



1.0 

 1.1 

 1.7 

 1.1 

 1.2 



0.2216 

 0.2035 

 0.2107 



4 



5 



0.2316 

 0.2217 



Average area of islets for vine with 1 1 rings . 3574 square milHmeter 



Average area of islets for vine with 35 rings 0.2178 square milhmeter 



TABLE 19. Area op Vein Islets in Leaves of Vines 27 and 28 



Number of leaf 



Length 



Breadth 



(centimeters) I (centimeters) 



Area 



(square 



centimeters) 



Area of 



islets 



(square 



millimeters) 



Vine 27, 5.1 centimeters in diameter, 17 annual rings (only five leaves photographed) 



1 15 15 150 



2 13 12 110 



3 16 15 165 



4 13 13 110 



5 13 13 115 



1.7 



0.3281 



1.3 



0.3011 



1.8 



0.3132 



1.3 



0.3313 



1.2 



0.3063 



Vine 28, 7.6 centimeters in diameter, 25 annual rings (only five leaves photographed) 



1 



11 



11 



85 



0.9 



0.2261 



2 



12 



11 



90 



1.0 



0.2306 



3 



14 



13 



125 



1.4 



0.2413 



4 



13 



10 



100 



1.1 



0.2371 



5 



15 



13 



125 



1.4 



0.2283 



Average area of islets for vine with 17 rings . 

 Average area of islets for \'ine mth 25 rings . 



. 3160 square millimeter 

 . 2327 square millimeter 



