POI.YPODIU.M, •^i Kri'OLYl'ODHM. 103 



SuiJORi). IX.— POLYPODIE.E, Pr. 



Sort subrotund, rarely oblong, destitute of Involucre. 



1. PoLYi'ODiuM, Linn. 



(Hook. Gen. Fil. tab. LXIX. B. Ilolcosorus, 

 Mooi'e. Gramniitis, Sw., et alior., in part. Hook. Gkn. 

 Fil. tab. LXXll. figs. 1-6. Calyinodon, Fr. Plecto- 

 ])tcris, Fee. Adeiiophorus, Gaud. Cteiiopteris, Bl. Kze. 

 Monachosorum, Kze. Phegoptcris, Pr. Arthroptcris sj)., 

 J. Sm. Cryptosorus, Fee. Goniopteris, Pr. Hook. Gen. 

 Fil. tab. XXXVIII. Goniophlebium, Pr. Hook. Gen. 

 Fil. tab. LXX. B. Craspedaria, Fee. Clirysoptcris, 

 Link. Marginaria, Pr. Bory '^ Hook. Gen. Fil. tab. 

 LI. and tab. XIV. (venation in both figures im])erfect.) 

 Dictyopteris, Pr. Hook. Gen. Fil. tab. LXXI. B. 

 Campyloneurum, Pr. Hook. Gen. Fil. tab. LXXI. A. 

 Pleopeltis, Tluinh. et Boiqd. Hook. Gen. Fil. 'J'ab. 

 XVllI. Phlebodium, Pr., J. Sm. Hook. Gen. Fil. tab. 

 CXII. Pleuridium, Fee. Phymatodes, Pr. Hook. Gen. 

 Fil. TAB. XXIX. Dry nuna, Bory. Anaxetum, Schoit. Mi- 

 crosoruui. Link. Aglaouiurpba, Schoit. Hook. Gen. Fil. 

 TAB. XCI. Psygniiuiii, Pr. IN'iphobolus, Kuulf. Hook. 

 Gen. Fil. tab. LXXI II. Colysis, Pr. Cyclophorus, Pr. 

 Dipteris, Reinw.) 



Sari dorsal, usually subrotund, or more or less oblong. 

 luvoiucre none. Veins free or variously anastomosing, with 

 sori terminal or medial. — Ferns of very varied form, size, 

 and structure^ simple or compound, inhabiting the tropics, us 

 ivell as temperate and even cold regions. Caudex erect or 

 creeping. 



The above generic synonyms of wliat we here bring under llie genus Putypo- 

 ilium are by no means ail that might l)e included, but which are, like many of tiic 

 above, rejected by the ablest pteridologists ; and they will many of them be re- 

 ferred to under the synonymy of the species. 



§ EupoLvroDiuM. — Sari subrolund or ohionrj, terminal or more rarely on the hack 

 of the veim. Veins free, rarely })arlially anaxlomosing. Fronds simple or very 

 frenuently pinnatifid, or pinnate, or decompound. Caiidev ccespitose, erect, or 

 creepiny. Stipes not unfreqiienily jointed at tlie base upon tfie caudex. Poly- 

 podium, Pr., iuclndiny i'hegopteris* of autliors. 



Fern-aulhors arc divided as to the propriety uf considering Plieyopteris a 



