CKYPTOGAMIA FILICBS. Aspidlum, 



66l 



** Frondiius pinnatis. 

 2. A. frondibus pinnatis, pinnis lanceolatis falcatis acutis acrostichoides. 

 ciliato-serratis, basi superiore mucronato-auricuiatis, 

 inferiore cuneatis, superioribas fructificantibus mino- 

 ribus, stipite rachique pnleaceis, soris solitariis deniuna 

 confluentibus. JVilhL ip. pi. 5. p. 225. 



A. auriculatum. Schkuhrjilic. 31. /.30. excl. synon. 



Nephrodium acrostichoides. Mich Ji. amer. 2. p. 267. 



On rocks, in shady low places : New England to Caro- 

 lina. 1/ . June — Aug. v. v. Resembles N. auricu- 

 latum. 



Frondili 



sulbipinnaib ; indusiis dimidiatis renifor- 

 ■mibus. 



3. A, frondibus pinnatis, pinnis lineari-lanceolatis pinnati- novelora' 



fidis, laciniis oblongis obtusiusculis subintegerrimis cense. 



ciliatis, soris aiarginalibus, stipite laevi. — lyUld. sp. 

 pi. 5. p. 243. 



A. thelypierioides. Swartx. synop.Jil.ic. 57. 



Nephrodium thelypterioides. Mich. fl. amer. 2. p. 267. 



Poly podium noveboracense. Sp.pl. 1552. 



Icon. Schkuhrjilic. t. 46. 



On river sides and the banks of ditches and ponds : Ca- 

 nada to Carolina. Ij. . July. v. v. 



4. A. frondibus pinnatis, pinnis lineari-lanceolatis pinnatifi- Thehjpteris. 



dis glabris, laciniis ovatis acutis integerriniis, soris 

 marginalibus contiguis demum confluentibus. IVdld. 

 sp. pi. 5. p. 249. 



Polypodium Thelypteris. Mant. 505. 



Polystichum Thelypteris. Roth ft. germ. 3. p. yj. 



Acrostichum Thelypteris. Sp.pl. 1528. 



Icon. Schkuhr jllic. t. 32. Fl. dan. 76O. Engl. hot. 

 1018. 



In low grassy fields and swamps : Canada to Virginia, 

 1/. July. V. V. It is very seldom found with fructi. 

 fications j the leaves are smaller than in the pre- 

 ceding. 



5. A. frondibus lanceolato-ovatis glabris pinnatis, pinnis cristatum. 



subcordato-oblongis pinnatitidis, . laciniis oblongis ob- 

 tusis dentato-serratis, stipite paleaceo. — fFilld. sp, 

 pi. 5. p. 252. 



Polypodium cristatum. Sp.pl. 1551. 



Icon. Schkuhrjilic. i. 37. JJzel. act. holm. 1787. /• 9. . 



