98 WORKING PLAN, FOREST LANDS IN SOUTH CAROLINA. 
If the reproduction of Longleaf Pine is unsuccessful on dry pine 
land, no other species comes up, and the only soil cover is a growth of 
grass and sedge. Wire grass marks the drier situations, Ese sedge 
LONGLEAF PINE. 
1600° 
1500 
1400 
1300 4 
1200 HH 

San 
1100 fF 
1000 
900 
800 #4 
700 
VOLUME—BOARD FEET. 
600 
500 
400 
mas ae : es 
HH EEE eeetetss 
HH 
200 Beers 
100 
it Sageeceeeussuees 
0 1a Ci SESERSEREE SERS SEER Ee Ree 
26 28 Tae 32 Ee 
DIAMETER BREASTHIGH—INCHES. 
DIAGRAM 2.—Total merchantable volume and volume of merchantable heartwood and sap- 
wood, in board feet by the Two-thirds Rule, on a basis of diameter breasthigh. 

the moister soil. Scrub Oak very rarely follows the removal of the 
pine, as it does in many other parts of the Southern pine belt. 
Longleaf Pine bears very little shade; it must have direct overhead 
sunlight. There is no reproduction in the shade of the old forest. 


