﻿THE FERN BULLETIN 



15 



figured in the Fern Bulletin. Vol. XVI, page 66, was 

 found on this trip in Martin County on the banks of 

 White River. 



Floyd County. 

 The topographic features of this county are varied, 

 there being some rather low marshy land and cliffs of 

 shale, sandstone and limestone. All of the species 

 listed, with the exceptions noted, are found on the 

 knobs. 



Botrychium virginianum, B. ternatum, Osmunda re- 

 gain, Onoclea sensibilis, ( Knobs and wet shade ; banks 

 of Silver Creek). JVoodsia obtusa (shades: banks of 

 Silver Creek). Dicksonia ptilosiuscida (banks of 

 Silver Creek). Cystopteris fragilis, Nephrodium 

 acrostichoides, N. noveboracense, N. goldieanum, N. 

 marginale, Phegopteris hexagoneptera, Camptosorns 

 rhizophyllus, Asplenium ebeneum, A. angustifolium. 

 A. ruta-muraria (Coulter's list). Athryium thelypter- 

 oides, A. fflix-foemina, Adiantum pedatum, Pteris 

 aquilina (on a dry hillside in the knobs region). Poly- 

 podium incanum. According to Coulter's list, this last 

 species occurs in the southern part of this state on 

 trees or rarely on rocks. Clark, Floyd, Pern-. Posey 

 and Jefferson. 



Craii'ford County. 



Both limestone and sandstone cliffs occur in this 

 county but all of the following species were found in 

 the limestone area. Many others will no doubt be 

 found in the county. 



Botrxchium virginianum, B. ternatum, IVoodsia ob- 

 tusa, Cystopteris fragilis. C. bulbifera, Polystiehum 

 acrostichoides, Phegopteris hexagon opt era. Camptos- 

 or us rhisophyUus, Asplenium ebeneum. Adiantum pe- 

 datum, Pelloea atropurpurea. 



