FLORA OF WORCESTER COUNTY. 317 
ebeneum, Ait. Common. 
thelypteroides, Michx. 7 
Filix-foemina, Bernh. i 
PHEGOPTERIS, Fée. Beech Fern. 
polypodioides, Fée. Damp woods. 
hexagonoptera, Fée. i . 
Dryopteris, Fée. os = 
AspIpium, Swartz. Shield Fern. 
Thelypteris, Swartz. Woodlands, common. 
Noveboracense, Swartz. iss - 
spinulosum, Swartz, var. intermedium, D. C. Eaton. 
Common. 
cristatum, Swartz. Quite 
se s var. Clintonianum. Worcester. 
Goldianum, Hook. Spencer. Miss A. E. Tucker. 
marginale, Swartz. Rich woods, common. 
acrostichoides, Swartz. Christmas Fern. te 
Cystorreris, Bernh. Bladder Fern. 
fragilis, Bernh. Worcester. 
Onoc tea, L. Onoclea. 
sensibilis, L. Sensitive Fern. Very common. 
: “ var. *obtusilobata. Princeton. 
WW. B.& J. F.C. 
Struthiopteris, Hoffm. Ostrich Fern. Worcester. 
Woobpsi, R. Br. Woodsia. 
Ilvensis, R. Br. Spencer. Miss A. #. Tucker. 
obtusa, Torr. Miss Wheelock. 
Dickson, L’Her. Dicksonia. 
pilosiuscula, Willd. Moist shady places, common. 
