162 
[Vor. 4, 1917] 
ANNALS OF THE MISSOURI BOTANICAL GARDEN 
EXPLANATION OF PLATE 
PLATE 12 
е original sample Хо, 3 of shortleaf pine together with sections 
of the pum blocks, which were split after Lenzites saepiaria had 
grown upon them for one year. Samples dn the columns A, B, C, 
heart-wood, while C, D, and F are nearly all sap-wood. This shows 
graphieally the decay 'of the sap- ЕГЕ and the resistance о 
eart-wood in comparison. The average specific gravity, avera 
AT and resin content of the pri are given here for reference. 
R Specific Decay 
Column percentage gravity percentage 
A 4. 53 6.12 
B 2.8 665 2.12 
C 3.3 105 11.73 
D 2.5 .658 22.30 
E 3.2 .686 5. 
F 2.1 624 17.68 
