AN ElTUMEEATION OJ CtJLTIVAl'ED rSENS. 



139 



anastomcsing, producing from their junction an excurrent, 

 anastomcsing, sterile veinlet. Beceptacles medial or sub- 

 terminal. Sori round. Indusmm reniform, rarely ' nearly 

 orbicular. 



Genus 65. — Portion of mature frond. No. 5. 



* Vernation uniserial, distamt. 



1. N. unitum, B. Br.^ Sooh. Gen. Fil. t. 48 B. Polypodium 



unitum, Lvim. Aspidium unitum, Schh. Fil.t. 33 B, 

 f. 1. Aspidium serra, ScKk. Fil. t. 33, f. 2. — Tropics. 



2. N. pteroides, /. Sm. Polypodium pteroides, Betz. Aspi- 



dium pteroides, 8w. Aspidium terminans, Wall. 

 Nephrodium terminans, J. Em. Oat. Fil. Sort. Kew. 

 1846.— East Indies. 



3. N. venulosum, Sooh. Sjp. Fil. 6,p. 17. — Fernando Po. 



** Vernation fasciculate, erect or deawmhent. 



4. N. Hookeri, /. 8m. Aspidium Hooteri, Wall. ; Sooh. lo. 



Fl. t. 922.— Bast Indies. 



5. N. gramilosuni, J. 8m. Polypodium granulosum, Fresl. 



Beliq. Scenh. t. 4, /. 2. Aspidium glandulosum, 

 Bhime. ; Lowe's Ferns, 7, t. 9. Nephrodium multi- 

 lineatum, Moore amd Soulst. [non PresT). — Plulippine 

 Islands, Java. ' 



6. W. artieulatum, Moore amd Soulst. im Gard. Mag. of Bot. 



1851 ; J. 8m. Gat. Gult. Ferns, 1857 ; Lowe's Ferns, 

 6, /. 29.— Ceylon. 



