

48 
AspLenium, L. 
Trichomanes, L. Common in clefts of liviostaibe rocks. 
ebeneum, Ait. Less abundant than the last. 
viride, Huds. Mt. Mansfield, Pringle. [See American Natu- 
ralist, vol. 9, p. 741.] 
Ruta-muraria, L. Not common. Limestone cliffs. 
angustifolium, Mx. Not common. Damp woods. 
thelypteroides, Mx. Woods. 
Filix-foemina, Bern. Our most abundant species. 
Pueeorpteris, Fée. 
polypodioides, Fée. Common. Woods. 
hexagonoptera, Fée. Not common. Woods. 
Dryopteris, Fée. Common. Open woods. 
Asprpium, Sw. 
acrostichoides, Sw. Dry woods. Common. 
aculeatum, Sw. Var. Braunii. Rock. Abundant on several 
of the higher mountains. 
Thelypteris, Sw. Very common in swampy fields. 
Noveboracense, Sw. Common in mountain forests. 
Jragrans, Sw. Mt. Mansfield, Pringle. 
spinulosum, Sw. Common. 
= var. intermedium, Willd. 
‘a var. dilitatum, Gray. Moist woods. 
a var. Boottu, Gray. Woods. 
eristatum, Sw. Not rare. 
Goldianum, Hook. Damp, rich woods. Rare. 
marginale, Sw. Common. 
SrruTHIOPTERIS, Willd. 
. Germanica, Willd. Damp places. Common. 
Onoctea, L. 
sensibilis, L. Common. 
CystTopTEris, Bern. 
bulbifera, Bern. Shaded ravines. Not common. 
fragilis, Bern. Rocky woods. 
Woopnsta, R. Br. 
ilvensis, R. Br. On rocks. Common. 
hyperborea, B. Br. Mt. Mansfield, Pringle. 
glabella, R. Br. Mt. Mansfield, Pringle. Willoughby Lake. 
obtusa, Torr. Rocky hillsides. 
Dicxson1a, L’Her. 
punctilobula, Kun. Common in moist woods. 
Osmunpa, L. 
regalis, L. Swamps. Common. 
Claytoniana, L. Common. 
cinnamomea, L. Pastures. Common. 

