Frequent in dry rocky ground, more often in half shade, 

 throughout. The form with more deeply cut pinnae 

 known as var. s erratum occurs occasionally. 



Asplenium montanum Willd. Mountain Spleen- 

 wort. Rare. Growing in crevices of dry, usually 

 overhanging ledges. Known from a few widely scat- 

 tered stations. North Stonington, Scotland, Franklin, 

 East Haddam, Beacon Falls and Salisbury. The last 

 named station, discovered by Mrs. C. S. Phelps, is be- 

 lieved to be the northern limit of its known ranQ-e. 



Asplctiium Ruta-muraria L. Rue Spleenwort. Oc- 

 casional on rocks in the limestone district, rare on the 

 trap dykes, not reported elsewhere. 



Asplenium angustifolium Michx. Narrow-leaved 

 Spleenwort. Rare in moist, rich woods, apparently 

 confined to the region of trap dykes. Guilford, Berlin, 

 Meriden, Southington. 



Athyrium thelypteroides Michx. Silvery Spleen- 

 wort. Moist rich woods occasional throughout. 



Athyrium Filix-fcemina Bernh. Lady-fern. Com- 

 mon in woods, thickets, and along fence-rows in various 

 soils throughout. There are many described forms, most 

 of which seem to be caused by the soil, the exposure or 

 some special habitat. 



Camptosorus rhizophyllus Link. Walking-leaf. 

 On shaded ledges of limestone, granite, sandstone or 

 basalt. Rare or occasional throughout, becoming fre- 

 quent in the limestone district. 



Polystichum acrostichoides Schott. Christmas 

 Fern. Common throughout in woods and on shaded 

 banks. Several forms have been described and are 

 occasionally seen. 



Nephrodium Thelypteris Desv. Marsh Fern. Com- 

 mon in swamps and wet ground throughout. 



Nephrodium simulatum Davenport. Massachusetts 

 Fern. Rare or local in wet woods and cedar swamps 

 in southern part of the state. Not reported from north- 

 ern districts. 



