


CATALOGUE OF PLANTS. 109 
FILICES. Ferns. 
POLYPODIUM, L. Potyropy. 
P. vulgare, LL. Common Potypopy. 
Rocks. B*, common:— M*, abundant wherever there are 
ledges ; seen growing on a large tree near Cascade some years 
ago :—S, reported as common on damp rocks in woods. 
ADIANTUM, L. Marpenuairr. 
A. pedatum, L. : 
Rocky ravines. B*, occasional; Hawk Hill ; Hancock Hill, 
etc. : — M, occasional within the past twenty years, but now 
exceedingly rare; a fern so beautiful as this should not be per- 
mitted to become extinct when it can be so readily replenished 
from regions where it is abundant, and then carefully pro- 
tected. 
PTERIS, L. Brake. 
P. aquilina, L. 
Thickets and dry knolls. B*, M, S and BB, common. 
WOODWARDIA, Smith. Cuarn Fern. 
W. Virginica, Smith. 
Swamps and woodlands. B*, rare; near Monatiquot 
Stream, etc. :— M™*, frequent in the S. part of the Reservation. 
W. angustifolia, Smith. 
Low woodlands; rare. B*, rare; near Monatiquot Stream, 
W. Quincy ; Cedar Swamp. 
ASPLENIUM, L. Spieenwort. 
A. Trichomanes, L. Fatse Marmennarre. 
Crevices of rocky declivities; becoming rare. 5, frequent on 
ledges near top of Great Blue Hill: — M*, occasional; rocks, 
N. side of Spot Pond; Cascade region; rocky woods, Bear 
Hill. 
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