THE WESTERN YELLOW PINE MISTLETOE. 21 



Table 16. — The effects of mistletoe on the photosynihetic surface of western yellow pine. 





Degree 

 of infec- 

 tion. 



Age. 



Diameter 



breast 



high 



outside 



bark. 



Total 

 heigtit. 



Total 

 volume. 



Crown. 



Crown 

 class. 



Tree number. 



Width. 



Length. 



103 



XXX 





 XXX 











Years. 

 80 

 79 

 83 

 83 

 37 



Inches. 



7.5 

 14.5 



8.1 

 15.2 



7.1 



Feet. 

 20.0 

 42.0 

 26.0 

 49.0 

 21.0 



Cubkfeet. 



2.50 

 19.00 



3.55 

 22.50 



2.40 



Feet. 

 10.0 

 17.0 

 8.5 

 22.0 

 12.0 



Feet. 

 15.5 

 32.0 

 18.5 

 42.0 

 18.0 



X 



104 



X 



105 



c 



106 



c 



107 



D 







Length of leaf tufts. 



Tree 

 num- 

 ber. 



Lower portion of crown. 



Center of crown. 



Upper portion of crown. 



Mean for entire 

 crown. 



Mini- 

 mum. 



Maxi- 

 miun. 



Aver- 



Num- 

 ber of 

 tufts. 



Mini- 

 mum. 



Maxi- 

 mum. 



Aver- 



Num- 

 ber of 

 tufts 



Mini- 

 mum. 



Maxi- 

 miom 



Aver- 



Num- 

 ber of 

 tufts 



Mini- 

 mum. 



Maxi- 

 mum. 



Aver- 



103 

 104 

 105 

 106 

 107 



In. 

 0.6 

 LO 

 .3 

 1.0 

 1.6 



In. 

 7.0 

 11.3 

 11.0 

 11.0 

 12.6 



In. 

 3.2 

 6.3 

 3.7 

 4.0 

 6.8 



81 

 2,161 



242 

 1,522 



379 



In. 

 1.0 

 2.0 

 .6 

 1.5 

 2.5 



In. 

 8.0 

 13.0 

 12.0 

 17.0 

 18.0 



In. 

 3.8 

 5.4 

 4.0 

 6.7 



329 

 2,390 



183 

 1,228 



321 



In. 

 1.0 

 2.0 

 .6 

 2.0 

 2.5 



In. 

 12.0 

 18.0 

 13.0 

 26.0 

 28.0 



In. 

 5.7 

 8.0 

 5.0 

 7.7 

 10.0 



234 

 1,151 

 176 

 445 

 313 



In. 

 0.8 

 1.6 

 .4 

 1.5 

 2.1 



In. 



9.0 

 14.1 

 12.0 

 18.0 

 19.5 



4.2 

 6.2 

 4.2 

 6.1 

 8.5 



Tree No. 



Total 

 number 

 of tufts 

 in entire 

 crown. 



Length of leaves. 



Lower portion of crown. 



Mean 



Mean 



Mean 



mini- 



maxi- 



aver- 



mum. 



mum. 



age. 



In. 



In. 



In. 



1.6 



3.3 



2.6 



2.5 



4.9 



3.5 



2.0 



4.1 



3.2 



4.1 



5.8 



4.9 



3.3 



6.2 



4.5 



Number 

 ofleaves. 



Center of crown. 



Mean 

 mini- 

 mum. 



Mean 

 maxi- 

 mum. 



Mean 

 aver- 



Number 

 ofleaves. 



103 



104 

 105 

 106 

 107 



644 

 5,702 



601 

 3,195 

 1,013 



13, 122 

 518,640 

 109,142 

 365,280 



94, 371 



In. 

 1.7 

 2.8 

 2.3 

 4.4 

 4.1 



In. 

 3.5 

 5.1 

 4.2 

 6.7 

 5.7 



In. 

 2.6 

 3.7 

 3.1 

 5.7 

 5.1 



62, 181 

 803.040 



67, 161 

 289, 808 

 172,972 





Length ofleaves. 



Tree No. 



Upper portion of crown. 



Mean for entjre crown. 





Mean 

 mini- 

 mum. 



Mean 

 maxi- 

 mum. 



Mean 

 average. 



Number of 

 leaves. 



Mean 

 mini- 

 mum. 



Mean 

 maxi- 

 mum. 



Mean 

 average. 



103 



In. 

 1.8 

 2.8 

 3.1 



4.8 

 5.2 



In. 

 4.5 

 5.1 

 5.0 

 6.8 

 6.4 



In. 

 3.2 

 4.1 

 4.3 

 5.9 

 5.9 



84,240 

 470,759 



85,712 

 182,005 

 152,431 



In. 

 1.7 

 2.7 

 2,4 

 4.4 

 4.3 



In. 

 3.7 

 5.0 

 4.4 

 6.4 

 5.7 



In. 

 2.8 



104 



3.7 



105 



3.5 



106 



5.5 



107 



6.1 







