66 PLANT LIFE OF ALABAMA. 
Of these Dryopteris floridana had hitherto been known only from 
peninsular Florida and from Louisiana; Ophioglossum crotalophoroides 
and Lycopodium alopecuroides are known also from the coast plain of 
the Southern Atlantic and Eastern Gulf States, and the remainder 
extend hither from the Alleghenian area and the upper belt of the 
Carolinian. 
The following, decidediy of northern ‘distribution, seem to find on 
these highlands their southern limit of distribution: 
Uvularia perfoliata. Sanicula trifoliata. 
Uvularia. sessilifolia. Chimaphila wmbellata. 
Vagnera racemosa. Azalea viscosa glauca. 
Trillium stylosum. Nolisma ligustrina (the typical form). 
Polygonatum biflorum. Vaccinium vacillans. 
Smilax ecirrhata. 2 Koellia pyenanthemoides. 
Achroanthes unifolia. Houstonia tenuifolia. 
Habenaria lacera. Houstonia longifolia. 
Habenaria flava. Solidago amplexicaulis. 
Darbya umbellulata. Brachychaeta sphacelata. 
Asarum virginicum. Aster shortu. 
Asimina triloba. Aster sagittifolius. 
Hydrangea arborescens. Sericocarpus asteroides. 
Philadelphus grandiflorus. Silphium compositum. 
Sanicula marilandica. Hieracium venosum. 
The following belong to these hills in common with the Louisianian 
area, and reach here their northern limit: 
Ophioglossum crotalophoroides. Polygala incarnata, 
Danthonia sericea. Hypericum drummondii. 
Campulosus aromaticus. Phacelia dubia. 
Eatonia filiformis. Ipomoea barbigera. 
Cyperus stenolepis. Mohrodendron dipterum. 
Cyperus haspan. Pieris nitida. 
Peltandra sagittifolia. Collinsonia anisata. 
Commelina. erecta. Verbesina aristata (V. wudicculis) . 
Xyris iridifolia. Aster purpureus. 
Tofieldia pubens. Aster dumosus subulaefolius. 
Chrosperma muscueloxicum. Eupatorium pinnatifidum. 
Trillium underwoodi. Gaillardia lanceolata. 
Smilax pumila. Solidago petiolaris. 
Polygala nana. Solidago brachyphylla. 
Vegetation of the Lower Coosa hilis, fertile valley lands, and flat 
woods.—On the extremely rugged area which forms the western out- 
skirts of this region and the watershed between the Coosa and Talla- 
poosa rivers, xerophile plant associations prevail almost exclusively. 
The steep hills of siliceous cherts and obdurate sandstone, which reach 
scarcely an elevation of 1,000 or 1,200 feet, support an inferior growth 
of the upland oaks named before, and pignut hickory, with the long- 
leaf pine scantily interspersed between the hardwood trees and stunted 
sassafras and persimmon, with sumac (Rhus copallina, R. glabra) for 
