164 
[Vor. 4, 1917] 
ANNALS OF THE MISSOURI BOTANICAL GARDEN 
ExPLANATION ОЕ PLATE 
PLATE 13 
The original sample No. 11 of shortleaf pine together with split 
sections of the culture blocks chosen from the various columns as 
labeled. As in pl. 12, the resistance of the heart-wood to fungous 
decay is shown. The average specifie gravity, average decay, and 
resin content of the various columns are given herewith: 
Resin Specific Decay 
Column percentage gravity percentage 
A 22.98 674 5.90 
С 18.50 ‚646 3.84 
D 21.04 682 8.68 
E 14.32 526 5.86 
Е 10.64 ‚495 3.34 
G 94 .539 6.75 
Н 25.34 .551 5.25 
1 18.30 ‚469 11.60 
J 13.38 487 12.40 
K 2.04 428 31.80 
L 1.36 433 54.30 
M 1.44 426 57.10 
N 1.26 433 30.51 
O 3.56 453 21.10 
P 3.24 461 52.50 
