268 



FERNS : BEITISH AlTD FOEEIGN. 



152. AKGIOPTERIS, Soffm. 



Vernation fasciculate, erect, subarboreous ; each frond rising 



from between two fleeliy 

 Btipulseform appendages ; 

 Tsase of the stipes olavate, 

 psendo-articnlated with the 

 axis. Fronds 6-18feet high, 

 bipinnate ; pinnules articu- 

 lated with the rachjs. Veins 

 simple or forked, free. Re-- 

 ceptacles oblong,luiear, sub- 

 teiTninal. Sporangia 7—24, 

 biserial, sessile, free, open- 

 ing by a slit on the inner 

 side. 'Sari oblong, late- 

 rally contiguous, forming a 

 broad, 8ubmai;ginal, trans- 

 verse band. 



1. A. evecta, Hoffm. ,• 



Schh. Ml. t. 150 ; 

 Eooh. Fil. Exot. 

 t. 15. Polypodium 

 evectum, Forst. — 

 Islands of the Pa- 

 cific Ocean and 

 Ceylon. 



2. A. Teysmanniana, 



De Vriese, Mon. 

 Mcuratt. t. 1-2; 

 Lowe's Ferns, 8, 

 t. 76. — Java. 



Genus 152. — Fertile pinnule, under side. 

 No. 2. 



3. A. Brongniartiana, Be Vriese, Mon. Mwratt. t. 3,/. 5. — 



Tahiti. 



4. A. priiinosa, Kwme, Fil. t 91. — Java. 



5. A. hypoleuca, De Vriese. — Java. 



6. A. Miqueliana, De Vriese. A. longifolia, Miq. et Eort. — 



Malayan I^ilRnds. 



