50 MISSISSIPPI STATE GEOLOGICAL SURVEY [Bull. 
numerous species, since the long leaf pine is not usually a low- 
land tree. Sterile sandy ridges in places support, besides the 
pine, a considerable shrubby growth of turkey oak and blue 
jack, 
Remembering that over the greater part of this region the 
long-leaf pine constitutes fully ninety per cent of the tree 
erowth, we append a list of the trees growing on the uplands 
of the region. 
Rhus typhina 
Dicspyros Virginiana 
Sassafras officinale 
Pinus australis 
Pinus mitis 
Pinus taeda 
Pinus heterophylla 
(Juercus cinerea 
Quercus nigra 
Quercus Catesbaei 
Rhus copallina 
Rhus toxicodendron 
Castanea pumila 
Viburnum dentatum 
Pyrus angustifoha 
Liquidamber styraciflua 
Quercus stellata 
Cornus florida 
Prunus Americana 
The following is a partial list of herbaceous species which 
grow beneath the open upland pine forests: 
Tephrosia Virginiana 
Tephrosia spicata 
Phaseolus pauciflorus 
Coreopsis lanceolata 
Aster adnatus 
Aster patens 
Aster paludosus 
Jatropha stimulosa 
Stillingia salvatica 
Cassia nictitans 
Cassia chamaecrista 
Micrantha fuchsioides 
Gerardia aphylla 
Ascyrum stans 
Aseyrum crux-andreae 
Liatris spicata 
Liatris squarrosa 
Stylosanthes elatior 
Ruellia ciliosa 
Houstcnia purpurea 
Eringium yuccaefolium 
Pyenanthemum linifolium 
Asclepias tuberosa 
iryngium virgatum 
Polygala nana 
Polygala lutea 
Polygala grandiflora 
Clitoria mariana 
Centrosema Virginiana 
Rhynchosia reniformis 
Chrysopsis gramifolia 
Afzelia cassioides 
Dasytoma pectinata 
Rudbeckia hirta 
