FILICES ; LYCOFODIACEiE. 



399 



Latin Names. 

 Asplenium, L., 

 A. pinnatifidura, Xutt , 

 A. Ruta-muraria, L., 

 A. Trichomanes, L., 

 A. ebeneum, Ait., . 

 *A. angustifolium, Mich 

 *A. Filix-foemina, R. B 

 Woodsia, R. Br. 

 ? W. obtusa, T., 1 . 

 Cystopteris, Bernh., 

 C. fragilis, Bernh., . 

 Aspidiunij Swartz, 

 A. Thelvpteris, Sw., 

 A. spinulosum, Sw., 

 A. cristatum, Sw., . 

 *A. marginale, Sw., 

 *A. acrostichoides, Sw., 

 Onoclea, L. 

 ? 0. sensibilis, 

 Osmunda, L., 

 0. spectabilis, Willd., 

 *0. cinnamoraea, L., 

 Botrychium, Sw., . 

 *B. lunarioides, Sw., 

 *B. obliquum, Muhl., 

 ? B. Virginicura, Sw., 

 Opliioglossum, L. 

 *0. vulgatum, L., . 



English Names. 

 Spleen wort. 



Bladder fern. 

 Wood fern. 



Sensitive fern. 

 Flowering fern. 



Moon wort. 



Geolog'l Station 

 Limestone, 



Sandstone 



Limestone 

 Sandstone 



Alluvial, 



Natural Habitat. 



Cliffs. 

 (i 



Shaded cliffs. 

 Rocky woods. 

 Rich woods. 

 Moist woods. 



Cliffs. 



Shady rocks. 



Marshes. 



Woods. 



Swamps and woods. 



Hillsides. Rocky woods. 



Wet shady places. 



Marshy woods. 

 Springs near banks of 

 [Arkansas River. 



Deep rich woods. 

 « u 



u it 



Wet woods. Rich soil. 



Lycopodiacese. Club Moss Family. 

 Selaginella, Beauv. 



S. apus, Sp., Sandy & clayish, Wet ground. 



S. rupestris, Spring, Sandstone, . Dry rocky places. 



Azolla, Lam. 



*A. Caroliniana, Willd., Floating. Pools. 



Mars ilea, L. 



*M. mucronata, Willd., " " 



I have seen it in the southern part of Illinois on the Mississippi River, but not in Arkansas. 



