BULLETIN 210, U. S. DEPARTMENT OF AGRICULTURE. 



Table 2. — Classification of trees according to character of crown and presence or absence 

 of cones; number of cones and amount of seed produced by sample trees, and total seed 

 production on plot No. 2, Kaniksu National Forest (area, one-half acre)— Continued. 



NUMBER OF CONES AND AMOUNT OF SEED PRODUCED BY SAMPLE TREES— Contd- 



Tree No. 



Average 

 length 

 of cone. 



Total 

 weight 

 of cones. 



Total 

 volume 

 of cones. 



Weight of 

 clean seed. 



Number of 

 clean seed 

 per pound. 



Per cent 

 of germi- 

 nation. 



Per cent 

 germinating 

 in first 144 

 days of test. 



1 



Inches. 



6.6 



f 5.7 



1 5.8 



/ 6.0 



\ 7.8 



5.9 



/ 7.7 



\ 7.2 



7.1 



5.5 



6.0 



Pounds. 



1.0 



1.5 



4.8 



1.2 



1.9 



.5 



1.6 



2.6 



.2 



.1 



1.0 



Bushels. 

 0.077 

 .171 

 .410 

 .171 

 .189 

 .OSO 

 .273 

 .273 

 .060 

 .015 

 .070 



Grams. 



14.910 



12. 861 



63.659 



8.670 



53. 421 



.555 



18. 283 



25. 035 



2.364 



1.196 



33. 522 



31,200 

 24,352 

 26, 458 

 27, 520 

 26, 619 

 37, 600 

 31,467 

 26, 187 

 31,520 

 38,800 

 26,920 



63.5 

 | 56.5 



| 37 

 P) 



| 40 

 15.5 

 0) 

 34.5 



25.0 



2 



37.5 



1 



6.0 



2 





3 



10 



1 



13.0 



2 





3 



24.5 







Total (8 trees) . 



6.4 



16.4 



1.789 



234. 476 

















TOTAL SEED PRODUCTION. 













Yield from sample trees. 



Yield of germinable seed. 



Crown class. 



Total trees. 



Total sample 

 trees. 



Cones. 



Cleaned 

 seed. 



Germi- 

 nable 

 seed. 2 



Per 



plot. 



Per acre. 



I 



No. 

 13 

 17 

 13 

 21 



Per ct. 

 15 

 20 

 15 

 24 

 26 



No. 

 2 

 3 

 3 



Per ct. 

 15 

 18 

 23 



Bush. 



0.66 



.99 



.14 



Grams. 



91.43 

 105. 96 



37.08 



Grams. 

 52. 702 

 40. 523 

 12. 344 



Grams. 



342. 563 



216. 128 



16. 460 



Grams. 

 685. 126 

 432. 256 

 32. 920 



No. 

 40, 352 



II 



Ill 



26, 016 

 2,032 



IV 





V 

































Total 



87 



100 



8 



11 



1.79 



234. 47 





575. 151 



s 1,150. 302! 68,400 



1 Not tested. 



2 Weight of pure seed multiplied by their percentage of germination. 



3 Equivalent to 2.5 pounds. 



T._:3LE 3. — Classification of trees according to character of crown and presence or absence 

 of cones; number of cones and amount of seed produced by sample trees, and total seed 

 production on plot No. 3, Kaniksu National Forest (area, one-half acre) . 



CROWN CLASSIFICATION OF TREES AND NUMBER BEARING CONES. 



Diameter breast high 

 (inches). 



Number of trees, by 



crown class. 



Trees with cones. 



Trees without cones. 



Class 

 I. 



Class 

 II. 



Class 

 III. 



Class 



rv*. 



Class 

 V. 



Number. 



Per cent. 



Number. 



Per cent. 













2 

 10 

 2 







2 

 18 

 24 

 12 

 9 

 4 

 1 



100 



6 to 8 









s 



20 

 6 







100 



9tol0 







2 

 6 

 8 

 2 







100 



11 to 12 





2 

 9 

 8 

 3 



2 

 9 



7 

 9 

 1 



15 

 50 

 64 

 90 

 100 



85 



13 to 14 



1 

 1 



7 

 1 



50 



15 to 16 







36 



17 to 18 







10 



19to20 











21 to 22 















24 





















29 









































Total 



10 

 10 



100 



22 

 23 



66 



18 

 18 



17 



34 

 35 







14 

 14 







28 

 28.5 



28.5 



70 

 71.5 



71.5 



Per cent 





Per cent of 

 each class 

















