POLYPODIACE^S. 



Garden of Berlin, in our possession, are not specifically distinct from 

 this New Zealand plant. 



16. Pteris scaberula, A. Rich. 



P stipite semitereti piloso scabro; frondibus coriaceis tripinnatis; pinnulis 

 fertilibus altemis elliptico-lanceolatis acutis basi attenuatis, summis con- 

 fluentibus et in laciniam angustatam integrant aut dentatam desinen- 

 tibus, sterilibus dentato-serratis ; rhachi scabra. 



Pteris scaberula, A. Rich. Bot. Voy. Astrol. 1, p. 82, t. 11 ; A. Cunn. in Hook. 

 Comp. Bot. Mag. 2, p. 365. 



Hab. Bay of Islands, New Zealand : in open dry woods. 



Rootstock elongated underground. Stipe from 12 to 15 inches long, 

 half round, with a single furrow in front, of a chestnut-brown colour, 

 together with the rhachis scabrous, and sparsely hirsute with slender 

 articulated hairs. Fronds broad-lanceolate, acuminate, strictly tripin- 

 nate, coriaceous, from 15 to 20 inches long: divisions alternate, the 

 sterile segments obtusely serrate ; while in the fertile ones there are 

 only a few serratures towards their points. The immersed veins, 

 are either simple or forked. 



§2. ORINTHOPTERIS, Agardh. 



* Frondes decompositas et coriacese. 



j* Segmentis distantibus, cum lobulo interposito. 



17. Pteris esculenta, Forst. 



P. stipite angulato hinc canaliculato ; frondibus rigidis tripinnatis; 

 pinnis pinnulisque triangidari-oblongis pinnatisectis, laciniis linea- 

 ribus obtusis distantibus decurrentibus cum lobulo interposito margine 

 revol utis crenatis subtus pubescentibus, terminali elongata, sinu trian- 

 gulari; rhachi cum costa Icevi basi nodoso-arliculata ; indusio rnem- 

 branaceo subreplicato. 



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