CUMBERLAND—BELI. AND HARI COUNTIES. 21 
-of these again give out on nearing the top of a mountain, and 
mountain oak, dwarf chestnuts, the pines (especially P. mitisand 
vigida, or yellow and pitch), etc., take their places... That the 
most marked change dependent upon exposure to different 
points of the compass is found in the case of the Lzrzodendron 
and white oak, the former flourishing most on northern expos- 
ures, the latter on southern. That the principal change noted 
in this part of Kentucky, due to geological formation, is fur- 
nished by the hemlock, which is found only on Conglomerate 
‘soils. These and other minor inferences can be deduced from 
a study of the tables. 
The difference between the timbers of Eastern and West- 
ern Kentucky is not marked enough to be worthy of special 
notice beyond what kas been given to it in previous pages. 
‘So it only remains ', give a table of all the timbers met with 
dn Bell and Harla: counties, which will be found below: 
OkKDER CUPULIFERAX—MASTWORTS. 
1. Genus Quercus. 
White oak, Quercus alba (L.) 
Post vak, Q. obtusiloba (Mx.) 
Cheztnut oak, Q. castanea (Muhl.) 
Red oak, Q. rubra (L.) 
Black oak, Q. tinctoria (Bart.) 
Pin oak, Q. palustris (Mx.) 
Scrub oak, Q. illicifolia (Willd.) 
Dwarf chestnut oak, Q. prinoides (Willd.) 
Spanish oak, Q. falcata (L.) 
Swamp white oak, Q. bicolor ( Willd.) 
2. Genus Castanea. 
Common chestnut, Castanea vesca (L.) 
3. Genus Fagus. 
Common beech, Fagus sylvatica (L.) 
Ned beech, F. ferruginea (Att. ) 
4. Genus Corylus. 
Hazelnut, Corylus Americana (Walt.) 
5. Genus Ostrya. 
Hop hornbeam, or ironwood, Ostrya virginica (Willd.) 
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