66 2 
Cal lip teris, 
jancastriense. 
o l tusum. 
aculeatum. 
marginale. 
Filix r nas. 
CRYPTOGAMIA FILICES. Aspidium, 
(3. A. majusculum ; pinnis alternis, laciniis oblongis inae- 
qualiter adpresso-serratis, fronde apice fructificante. 
Polypodium Callipteris. Ehrh. leitr. 3. p-ji. 
Polystichum cristatum. Roth germ. 3. p. 84. 
y.A. pinnis suboppositis, laciniis triangulari-ovatis acute 
serratis, stipite nudo. — IVilld. sp. pl. 5. p. 201. 
Schkuhr JUic, t. 41. 
In moist rocky situations : New York to Virginia. 1/. 
July, v . v. Of middle size. 
**** Frondilus bipinnatis triplicato -pinnatisve $ indusiis 
dimidiatis reniformibus. 
6. A. frondibus bipinnatis, pinnulis oblongis obtusis supe- 
rioribus coadunatis dentato-crenatis, rachi superne pu- 
bescente. IVilld. sp. pl. 5. p. 254. 
Polypodium obtusum. Swartz, synop. jilic. 3g. Schkuhr 
jilic. IS. 
Icon. Schkuhr Jilic. t. 21. & 43. b. 
In clefts of rocks ; Pensylvama and Virginia. 1/ . July. 
v. v. A small species, not above four or five inches 
high. 
7. A. frondibus bipinnatis, pinnulis ovatis subfalcatis acutis 
mucronato-serratis, basi superiore truncatis, inferiore 
abbreviato-cuneatis, superioribus fructificantibus, sti- 
pite rachique paleaceis. IVilld. sp. pl. 5. p. 258. 
Polypodium aculeatum. Sp. pl. 1552. 
Polystichum aculeatum. Rothjl. germ. 3. p. Jq. 
Icon. Schkuhr Jilic. t. 3Q. & 40. Bolt. Jilic. t . 56. Pluk . 
aim. t. 180./. I . 
In shady rocky places, on the Green mountains, Ver- 
mont. I/ . Aug. v. v. The size of No. 5, of a 
shining and strong texture. 
8. A. frondibus bipinnatis, pinnulis oblongis obtusis decur- 
rentibus crenatis, crenis baseos profundioribus, soris 
marginalibus, stipite paieaceo. IVilld. sp. pl. 5. 
p. 2 50. 
Polypodium marginale. Sp.pl. 1522. 
Nephrodium marginale. Mich.Ji. amer. 2. p. 267 . 
Icon. Schkuhr Jilic. t. 45. b. 
In rocky shady places : Canada to Carolina. Ip. July. 
v. v. Resembles the following. 
9. A. frondibus bipinnatis, pinnulis oblongis obtusis serratis, 
serraturis muticis, soris costae mediae approximatis, sti- 
pite rachique paleaceis. IVilld. sp. pl. 5. p. 2 59. 
