40 MISSISSIPPI STATE GEOLOGICAL SURVEY (Bull. 
Ceanothus Americanus Hamamelis Virginiana. 
Hyrangea quercifola Corylus Americana 
Hydrangea arborescens Rhus glabra 
All the species, both of trees and of shrubs mentioned 
as common in this sandy subdivision, occur also in the west- 
ern subdivision where the silt lcam soils prevail, the difference 
consisting mainly in different proportions of the species. On 
the silt loam soil pine is not prominent as a part of the original 
growth and becomes less so as the loess bluffs are approached, 
while the number of varieties of hardwood species become 
greater and of more mesophyte character. 
The upland herbaceous forms of this region present less 
diversity than its extent and soil differences would lead us to 
expect. Common open land species are the following: 
Plantago aristata Claytonia Virginica 
Houstonia patens Anemone Caroliniana 
Houstonia longifolia Asclepias tuberosa 
Ranunculus fascicularis Ascyrum Crux-Andreaa 
Nothoseordum striatum Linum Virginianum 
Stylosanthes elatior Oenothera frusticosa - 
Rudbeckia hirta Stellaria media 
Commelyna Virginica Ipomea pandurata 
Draba brachyearpa Erigeron bellidifolius 
Tonactis linariifolius Apogon humilis 
Geranium Carolinanum Krigia Virginica 
Specularia perfcliata Krigia dandelion 
Cerastium viscosum Coreopsis lanceolata. 
Salvia lyrata 
Herbs that grow chiefly beneath open upland woods are the 
follewing : 
/ 
Tephrosia Virginica Podophyllum peltatum 
Antennaria plantaginifolia Smilacina racemosa 
Ruellia ciliosa Mitchella repens 
Viola palmata Rosa humilis 
Viola pedata (in the pine Potentilla Canadensis 
region) Geranium maculatum 
