AN ENUMERATION OF CULTIVATED FERNS. 



101 



or internal and obscure ; venules arcuately or 



stomosing, producing two or more excurrent freg veinlets. \ tie- 



Genus 27. Portion of mature frond, under side. No. 6. 



ceptacles punctiform, terminal or medial on the free veinlets. 

 Sori round, obliquely biserial or irregular, destitute of scales. 



* Fronds simple. 



1. C. ensifolium, /. 8m. Polypodium ensifolram, Willd. 



Marginaria ensifolia, Presl. Campyloneurum angua- 

 tifolium, /3 taeniosum, Moore. Tropical America. 



2. C. angustifolium, Fee. Polypodium angustifolium, Sw. ; 



Radd. Fil. Bras. t. 24, /. 2. Marginaria angustifolia, 

 Presl. Polypodium dimorphum, Link. Polypodium 

 leucorhizon, Kit. Polypodium amphostemum, Kunze. 

 Tropical America. 



3. C. fasciale, Presl. Polypodium fasciale, Humb. P. lapa- 



thifolium, Eadd. Fil. Bras. t. 24, /. 3. Brazil and 

 Venezuela. 



4. C. rigidum, J. 8m. Cat. Cult. Ferns (1857), p. 13. C. luci- 



dum, Moore. Polypodium nitidum, Hook. Fil. Exot. 

 t. 12 (excl. syn.). Tropical America. 



5. C. repens, Presl. ; Hook. Gen. Fil. t. 71 A. Polypodium 



repens, Linn.; Plum. Fil. t. 134. C. caespitosum, 

 Link ; J. Sm. Cat. (1857). Polypodium csespitosum, 

 Link ; Metten. Fil. Hort. Lips. t. 24, /. 4, 5. Tropical 



America. 



