612 REPORT OF STATE GEOLOGIST. 



P. Dryopieris (L.) Fee. Oak-fern. 



In moist woods, thickets, and swamps. 

 Allen (Sanford). 



WOODWARDIA J. E. Smith. 



W. Virginica (L.) J. E. Smith. Virginia Chain-fern. 

 Occurs in swamps in the northern counties. 

 Lake and Laporte. 



CAMPTOSORUS Link. 



0. rhizophyllus (L.) Link. Walking Fern. 



Abundant in southern counties on dry rocks, preferring limestone. 

 Knox (Spillman); Jefferson; Clark; Crawford. 



ASPLENIUM L. 



A. pinnatifidtjm Nutt. Pinnatifid Spleen wort. 

 Occurs on rocks. 

 Gibson. 



A. ebenoides R. R. Scott. Scott's Spleen wort. 

 Occurs on limestone rocks. 

 Jefferson (J. M. Coulter); Crawford (Blatchley). 



A. platyneuron (L.) Oakes. Ebony Spleen wort. 



(A. ebenewn Ait.) 

 On sides of ravines and damp wooded slopes, preferring limestone 

 soils. 



Vigo (Blatchley) ; Steuben (Bradner). 



A. Tbichomanes L. Maiden-hair Spleenwort. 

 Occurs on rocks, preferring limestone. 

 Gibson. 



A. angustifolium Michx. Narrow-leaved Spleenwort. 



Common in central and southern part of State on sides of ravines. 

 Vigo (Blatchley) ; Hamilton (Wilson) ; Tippecanoe. 



A. Ruta-muraria L. Wall Rue Spleenwort, 



Occurs abundantly in southern part of the State. 

 Jefferson, Clark, and Floyd. 



