THE FLORA OF MISSISSIPPI. 



153 



Medeola Virginica, 

 Lilium superbum, 

 Polymnia Uvedalia, 

 Thalictrum purpurascens , 

 Elodes campanulata, 

 Galium trifidum, 

 Actinomeris squarrosa, 

 Ilysanthes gratioloides, 

 Viola cMcullata, 



Platanthera psy codes, 

 Microstylis ophioglossoides, 

 Polygonum Virginianum, 

 Dioclea Boykinii, 

 Penthorum sedoides, 

 Mikania scandens, 

 Mimulus alatus, 

 Inipatiens fulva, 

 Saururus cernuus. 



In open marshy places and bordering or growing in 

 the waters of ponds and sluggish streams the following 

 species are representative: 



Sambucus Canadensis, 

 Eupatorum perfoliata, 

 Eupatorium rotundi folium, 

 Senecio lobatus, 

 Physostegia Virginiana, 

 Sabbatia angularis, 

 Dulichium spathaceum, 

 Sagittaria variabilis, 

 Orontium aquaticum, 

 Brasenia peltata, 

 Aletris aurea, 

 Fuirena scirpoidea, 

 Scirpus lacustris, 

 Peltandra undulata, 

 Ipomoea pandurata, 



Zygadenus glaberrimus, 

 Samolus floribundus, 

 Ranunculus pusillus, 

 Linaria Canadensis, 

 Gratiola sphaerocarpa, 

 Typha lati folia, 

 Rhexia Mariana, 

 Rhexia Virginica, 

 Polygonum sagittatum, 

 Ludwigia alternifQlia, 

 Ludwigia palustris, 

 Jussiaea decurrens, 

 Sparganium simplex, 

 Acorus Calamus, 

 Hibiscus Moscheutos. 



Bluff Hills. — This region embraces a narrow strip 

 10 to 15 miles wide bordering the Delta lowlands on the 

 east from the northern boundaries of the State to the line 

 of Louisiana on the south. From Vicksburg south the 

 bluffs lie close in towards the river, and are more pro- 

 nounced than farther north. The bluff hills lie very little 

 above the general level of the plateau, if at all, the hills 

 being remnants of the ragged edge of the interior plateau 

 produced by the deep cutting of streams in passing from 

 the plateau level to that of the Delta lowlands. 



The marked broken and intricate character of the 



