100 FERNS : BRITISH AND FOREIGN. 



* Rhizomes elongated, surculose. Fronds distant Primary 

 veins undefined. 



1. N. rupestris, Spr. ; Hooh. et Ctrev. Ic. Fil. t. 93 ; Loive's 



Ferns, 1, t. 20. Polypodium rupestre, B. Br. Cras- 

 pedaria rupestris, Link. — Australia. Tr. 



2. N. bicolor, Kaulf. ; Hook, et Grev. Ic. Fil. t. 44. — New 



Zealand. Tr. 



3. N. adnaseens, Kaulf. ; Hook. Gard. Ferns, t. 19. Poly- 



podium adnascens, Sw. Syn. Fil. t. 2, /. 2. Nipho- 

 bolus pertusus, Spr. ; Lowe's Ferns, 1, t. 21. Poly- 

 podium pertusum, Boxb.; Hook. Exot.-Fil. t. 162. — 

 East Indies. 



4. N. Lingua, Spr. ; Kunze in Sclilc. Fil. Supp. t. 63. Lowe's 



Ferns, 1, t. 22. Acrostichum Lingua, Thunb. Fil. 

 Jap. t. 33 ; Schk. Fil. t. 1. Polypodium Lingua, Sw. ; 

 Lang, et Fisch. Ie. Fil. t. 5. Cyolophorus Lingua, 

 Lesv. Polycampium Lingua, Presl. Niphobolus 

 Sinensis, Hort. — East Indies and China. 



** Rhizomes short, ccespitose. Fronds contiguous. Primary 

 veins generally evident. 



5. ~N. Gardneri, Kunze ; Hook. Fil. Exot. t. 68 ; Lowe's New 



Ferns, t. 38 B. Polypodium Gardneri, Metten. Gen. 

 Polypodium, p. 129. Niphotjolus acrostichoides, Cat. 

 Fil. Hort. Kew., non Polypodium (Niphobolus) acro- 

 stichoides, Forst. — Ceylon. 



6. N. costatus, Presl. Polypodium costatuni, Wall. — East 



Indies. 



27. CAMPYLONEITBUM, Presl 



Rhizome short and casspitose or elongated, often subhypo- 

 geous. Fronds simple or very rarely pinnate, coriaceous, rigid, 

 smooth, 1-2 feet high. Veins costaaform or undefined, elevated. 



