Jan., 1915.] 
Plant Distribution in Ohio. 
4 i 3 
numerous deep ravines. Pine barrens, mostly consisting of 
Pinus virginiana are frequent. The distribution of the more 
important Ohio species, which are mostly if not entirely confined 
to this area and are rather generally distributed in a considerable 
part of it are as follows: 
Distribution of Nine Species in the Western Part of the Non-glaciated 
Alleghany Plateau. 
Rather Generally Distributed in a Considerable Part of the Area. 
Pinus rigida Betula nigra. 
Pinus virginiana. Extends some- Oxydendrum arboreum. 
what beyond. Dasystoma laevigata. 
Aristida dichotoma. Salvia lyrata. 
Stylosanthes biflora. Solidago erect. 
