666 



CKYPTOGAMIA FILICES. 



723, WOODSIA. Brown in linn, trans. 1 1. p. 173. 



hyperlorea. ^- W^- frondibus pinnatis, pinnis tripartitis vel pinnatifido- 

 incisis cuneiformibus obtusis dentatis subtus hirtis, 

 soris solitariis demum confluentibus. — Brown I. c. 

 cum icone, 



Polypodium hyperboreum. JVilld. sp. pi. 5. p. 197« 



Polypodium arvonicura. Smith fl. hit. 3. p. 1115. 



Aciostichum ilvense. Huds.angl. 451. 



Acrostichum alpinum. Bolton Jilic. 76. t. 42. 



Acrostichum hyperboreum. Litjellad act. holm. 1793. 

 p. 201. /. 8. 



Icon. Schkuhr Jilic. t. 1 7. h. Pluk. phytogr. t. 89. /. 5. 

 Moris, hist. 3. s. 14. t. 3. /. 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. 



ilvensis. 2. W. frondibus bipinnatifidis, laciniis oblongis obtusis in- 



ferioribus repandis, superioribus integerrimis subtus 

 hirtis, soris submarginalibus demum confluentibus, 

 stipite superne villoso. — Brown I. c. 



Polypodium ilvense. Willd. sp. pi. 5. p. I98. 



Polystichum Marantae. Rothji. germ. 3. p. Q2. 



Acrostichum ilvense. Sp. pi. 1528. 



Icon. Schkuhr Jilic. t. \g. Fl.dan.3gi. 



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. 



ciculariu?n. 1. A. frondibus ternatis, foliolis pinnatifidis, laciniis acu- 

 minatis sinuato-pinnatifidis integerrimis, lateralium 

 inlima et exteriore lacinia elongata, soris serialibus. 

 Willd. sp.pl. 5. p. 215. 



Polypodium cicutarium. Sp.pl. 154Q. 



Polypodium appendiculatum. Swartz. Ji, ind. occid, 3 . 

 p. \6n. 



Icon. Pluk. aim. t. 2QQ.J. 4. & t. 2Q6.J. 2. 



On rocks in the mountains of Virginia. 7/ . + . 



