the time of Michaux. Sizable trees of this species 
once lined the highway south of Mermet. A few years 
ago, when this highway was being widened, the forest 
bordering the right-of-way was cut and these trees 
were destroyed. Several sizable willow oak trees re- 
main in Fort Massac State Park and thus are af- 
forded some measure of protection. The number of 
willow oaks in the Black Bottom east of the park is 
decreasing. Soon persons looking for this plant in 
Illinois may be able to see it only at Fort Massac. 
21. JACKSON HOLLOW 
Jackson Hollow occupies about 320 acres in 
Re) 5). andsinssectioni6. sh. 2) Sesheame es totie 
west of Little Bay Creek and a section of the Illinois 
Central Railroad, the section that is commonly called 
the Edgewood cutoff. 
Much of the beauty of Jackson Hollow, like that Fig. 35.-- Willow oak growing in Fort Massac State 
of so many other beautiful sites in southern Illinois, Park. This tree is rare in Illinois. 
be 
EF 
Fig. 36.— A huge undercut in Jackson Hollow, Pope County. Filmy fern grows at the back of this undercut. The two 
figures near the center serve as a scale to determine size. 
26 
