454 



Harper: Explorations in Georgia 1904 



grandifiora, Acer floridanuni, Leucothoe raceniosa and Mcsadcnia 



ovata. 



The extent of this formation east and west is unknown, but I 

 have not heard of the occurrence of anything of the kind in any 

 other county. The age of the formation is not definitely known 

 either, but is doubtless either Eocene or Oligocene. 



Immediately north of the northernmost of these rocky areas, 

 and perhaps also between them, is a region with strongly calcare- 

 ous soil and outcrops of soft limestone, characterized by some or 



Figure i. View in the rocky woods about a mile soutli of Elko, Plouston 

 County, April i6. ' Topography and vegetation rather exceptional for the coastal plain. 

 Polystichiun acrostichoides, Ilicoria glabra, Fagus americana, Nyssa syhafica and 

 Cornns Jlorida appear in the view, and the whole aspect of the place is much like that 

 of many points in the Alleghanies and farther north. 



all of the following plants : Taxodium disticlmm, Carcx chcro- 

 kecNsis, Rhapidophyllnm Hystrix, Arisacma Dracontimn^ Tillandsia 

 usncoidcs, Trillium lanceolaann, Zephyranthcs Atamasco, Jtiglans 

 nigra, Hicoria mmta, Querais liybrida^ Q. acuminata, Morns rubra, 

 Ulmus fulva, Crataegus (several species), Primus americana, Ctrcis 

 canadensis, Geranium maculafum, Ptelea trifoliata, Rhamnus caro- 

 liniana, Viola multicatdis, Bumelia lycioidcs, Spigelia marilandicay 

 and Phlox divaricata. 



