662 
Callipteris. 
Jancastriense. 
obtusum. 
aculeatum. 
marginale. 
Filix mas. 
CRYPTOGAMiA FiLiCRs. Aspidlunl. i 
/3. A. majusculum ; pinnis alternis, laciniis oblongis In®- 
qualiter adpresso-serratis, fronde apice fructificante. ^ 
Polypodium Callipteris. Ehrh. beitr. 3. p. ^7 . 
Polystichum cristatum. Hoth germ. 3. p. 84. 
y. A. pinnis suboppositis, laciniis triangulari-ovatis acute 
serratis, stipite nudo. — Willd. sp. pl. 5. p. 26l. 
Schkuhrjilic. t. 4\. | 
In rnoist rocky situations: New York to Virginia. 1/. | 
July. V. V. Of middle size. ’ 
Frondibus bipinnatis iriplicato-pinnatisve j indusiis 
dimidiatis reniformibus. 
5. A. frondibus bipinnatis, pinnulis oblongis obtusis supe- j 
rioribus coadunatis dentato-crenatis, rachi superne pu- | 
bescente. IVtlld. sp. pl. 5. p. 254. || 
Polypodium obtusum. Swartz, synop. flic. 3Q. Schkuhr I 
flic. 18. i' 
Icon. Schkuhr flic, t.2\. ^ 43. b. 
In clefts of rocks ; Pensylvania and Virginia. % . July. ! 
V. V. A small species, not above four or five inches 
high. 
^ . A. frondibus bipinnatis, pinnulis ovatis subfalcatis acutis 
mucronato-serratis, basi superiore truncatis, inferiore j 
abbreviato-cuneatis, superioribus fructificantibus, sti- 
pite rachique paleaceis. fVilld. sp. pl. 5. p. 258. 
Polypodium aculeatum. Sp. pL 1552. \, \ 
Polystichum aculeatum. Rothf, germ. 3. p. yg. 
Icon. Schkuhr flic. t. 3Q. ^ 40. Bolt. flic. t. 56. Pluk. 
aim. t. 180. f. 1 . 
In shady rocky places, on the Green mountains, Ver- ' 
mont. 11 . Aug. v. v. The size of No. 5, of a j 
shining and strong texture. ] 
8. A. frondibus bipinnatis, pinnulis oblongis obtusis decur- 
rentibus crenatis, crenis baseos profundioribus, soris 
marginalibus, stipite paleaceo. fVilld. sp. pl. 5. j 
p, 25g, 
Polypodium marginale. Sp.pl. 1522. 
Nepbrodium marginale. Mich. f. amer.2. p.26y . 
Icon. Schkuhr flic. t. 45. b. , 
In rocky shady places : Canada to Carolina. 11. July, i 
V. V Resembles the following. I 
g. A. frondibus bipinnatis, pinnulis oblongis obtusis serratis, 1 
serraturis muticis, soris costae mediae approximatis, sti- ’ 
pile rachique paleaceis. Willd. sp. pl. 5. p. 25g. 
