660 
CRYPTOGAMIA FILICE1. 
hyperhorea. 
Uvensis. 
cicutarium. 
72S. WOODSIA. Brown in linn, trans. 11. p. 17^. 
1. W. frondibus pinnatis, pinnis tripartitis vel pinnatifido«» 
incisis cuneiformibus obtusis dentatis snbtus hirtis^ 
soris solitariis demum confluentibus. — Brown /. c. 
cum icone. 
Polypodium byperboreum. Willd. sp. pi. 5. p. I97. 
Polypodium arvonicum. Smith fl. hrit.3.p. 1115. 
Acrostichum ilvense. Huds.angl. 45\. 
Acrostichum alpirium. Bolton filic. "]6. t. 42. 
Acrostichum byperboreum. LUjeUad act. holm. 1793. 
p. 201. t. 8, 
Icon, Schkuhr Jilic. t. 1 7. Pluk. phytogr. t. 89. f. 5. 
Moris, hist. 3. s. 14. t. 3. f. 23. 
In the clefts of rocks : Canada and on the high moun- 
tains of Pensylvania and Virginia. 1/. July. v. v. 
A small fern growing in large tufts, and covered with 
long brown chaffy hair. 
2. W. frondibus bipinnatifidis, laciniis oblongis obtusis in- 
ferioribus repandis, superioribus integerrimis subtus 
hirtis, soris submarginalibus demum confluentibus, 
stipite superne viiloso. — Brown L. c. 
Polypodium ilvense. Willd. sp. pi. 5. p. I98. 
Polystichum Marantae. Roth Ji. germ. 3. p. 92. 
Acrostichum ilvense. Sp.pl. 1528. 
Icon. Schkuhr Jilic. t. 19. Fl. dan. 391. 
On rocks : Canada to Virginia. % . July. v. v. Re- 
sembles the preceding very much but the leaves are 
smaller divided and covered with fine woolly hair, not 
chaffy as in the other. 
724. ASPIDIUM. Swartz, synop. Jilic. 3, 
Nephrodium. Mich.Jl. amer. 2. p. 266. 
* Frondibus ternatis. 
1, A. frondibus ternatis, foliojis pinnatifidis, laciniis acu- 
minatis sinuato-pinnatifidis integerrimis, lateralium 
infima et exteriore lacinia elongata, soris serialibus, 
Willd. sp.pl. 5. p.2\5. 
Polypodium cicutarium. Sp.pl. 1549. 
Polypodium appendiculatum. Swartz* Jl. ind* occid. 3* 
p. 1677- 
Icon. Pluk. aim. i. 23Q.f. 4. ^ t. 2^6. f. 2. 
On rocks in the mountains of Virginia. 2/ . 
