C3 



FEENS : njEITISII AND FOltEIGN. 



pinnatifid, generally membranous, flaccid, 1-3 feet long. Veins 

 compound anastomosing ; primary veins costseform, elevated or 

 internal, generally flexuose, sometimes obsolete. Receptacles 

 compital, superficial. Sori round, or by confluence oblong or 

 linear, irregular or obliquely 1-2-serial. 



1. C. membranacea, /. Sm. Polypodium membranaceum, 



Bon. Polypodium hemionitideum, Wall. ; Lovie's 

 Ferns, 2, t. 7. Colysis hemionitidea, Presl. ; Fee. 

 Hemionitis plantaginea, Bon. Polypodium gran- 

 difolium, Wall. — East Indies. 



2 C. Spectra, /. Sm. Polypodium spectrum, Kaulf. Poly- 

 podium Thouinianum, Gaud, in Freyc. Toy. Bot. t. 5, 

 /. 1. — Sandwich. Islands. 



25. MICB.OSOB.TTM, Link; Fie. 



Rhizome short, subhypogeous. Fronds simple, entire or 

 irregularly sinuose, coriaceous, smooth, 1-3 feet long Veins 



Genus 25.— Portion of mature frond, upper side. No. 1. 



compound anastomosing, internal ; primary veins obscure. 

 Receptacles compital, superficial. Sori round, small, numerous, 

 irregular, sometimes subconfluent. 



1. M. irioides, Fee. Polypodium irioides, Poir.; SooTc. et 

 Qrev. Ic. Fil. t. 125. SooTi. Fil. Exot. i. 4. Poly- 

 podium polycsphalum, Wall. Microsorum irregulare, 

 Link ; Fee. Microsorum sessile, Foe. — /3 apex of 

 fronds crested. — East Indies, Malayan Archipelago, 

 Australia, and Trinidad. 



