662 
Callipteris. 
lancastriense. 
obtusum. 
acukatum. 
marginale. 
Fllix mas. 
CRYPTOGAMIA FILICES. Aspldium, 
/3. A. majusculum j pinnis alternis, laciniis oblongis Inae-* 
qualiter adpresso-serratis, fronde apice fructificante. 
Polypodium Callipteris. Ehrh. heitr. 3. P-7'7. 
Polystichum cristatum. Roth germ. 3. p. 84. 
y. A. pinnis suboppositis, laciniis triangulari-ovatis acute 
' serraiis, stipite nudo. — -Willd. sp. pi. 5. p. 26l. 
Schkuhrjilic. t. Ai. 
In moist rocky situations : New York to Virginia. 7/. 
July. V. V. Of middle size. 
**** Frondihus Upinnatis tripUcato-pinnatisve -j indusiis 
dirnidiatis reniformibus. 
6. A. frondibus bipinnatis, pinnulis oblongis obtusis supe- 
rioribus coadunatis dentato-crenatis, rachi superne pu- 
bescente. Willd. sp. pi. 5. p. 254. 
Polypodium obtusum. Swartz, synop. Jilic. 3Q. Schkuhr 
Jilic. 18. 
Icon. Schkuhr Jilic. #.21. ^ 43. h. 
In clefts of rocks : Pensylvania and Virginia. 7/ . 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. Willd. sp. pi. 5. p. 258. 
Polypodium aculeatum. Sp. pi. 1552. 
Polystichum aculeatum. Roth Jl.germ. 3. p. 79. 
Icon. Schkuhrjilic. t. 3Q. ^ 40. Bolt. Jilic. L 56. Pluk. 
aim. t. ISO. J. } . 
In shady rocky places, on the Green mountains, Ver- 
mont. 7/ . 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 profnndioribus, soris 
marginalibus, stipite paleaceo. Willd. sp. pi, 5. 
p. 259. 
Polypodium marginale. Sp pl. 1522. 
Nephrodium marginale. Mich.Jl. amer. 2. p. 267. 
Icon. Schkuhr Jilic. t. 45. h. 
In rocky shady places : Canada to Carolina. 7/. July. 
V. V Resembles the following. 
9. A. frondibus bipinnatis, pinnulis oblongis obtusis serratis, 
serraturis muticis, soris costae mediae approximatis, sti- 
pite rachique paleaceis. Willd. sp. pi. 5. p. 259. 
