AN ENUMEEATION OF CCLTIVATED FERNS. 165 



7. N tisserata, Schott. Aspidium bisseratum, Sw. ; Schlc. 



Fil. t. 33. Nephrodium bisseratum, Presl. — Philip- 

 pine Islands. 



8. N. davallioidos, Moore; Lowe's Fems, 7, t. 23 ; Hooh. Fil. 



Exot. t. 60. Aspidium davallioides, 8w. ; Hooh. Ic. 

 Plant, t. 396-6. — ^Malayan Archipelago. 



80. CYCLOPELTIS, /. 8m. 



Vernation fasciculate, decumbent. Fronde 

 pinnate, 1-3 feet high ; pinnae entire, falcate, 

 lanceolate, 4-9 inches long, sessile, auriculated 

 at the base, articulated with the rachis. Veins 

 two or three times forked; venules free, the 

 lower interior and exterior ones sporangiferous 

 on or below their apices. Ueceptades puncti- 

 form. Son round, transverse, biserial. In- 

 diisiwm orbicular. 



1. C. semicordata, /. 8m. En. Fil. Sort. 

 Kew. (1846) ; Lowe's Ferns, 6, t. 3. 

 Aspidium semicordatum, 8w.; (Plum. 

 Fil. t. 113). Lastrea semicordata, 

 Presl. Hemicardium Nephrolepis, 

 Fee. Polystichum semicordatum, 

 Moore. — ^West Indies. 



Gcnu= 60. — Pinna 

 of mature Irond. 

 under bide. No. 1 . 



§ 5. Didymochlcence. Fronds always hipinnate ; pinnae a/nd 

 pinnules articulate with the rachis. Sort punctiform, ohlong, 

 terminal. Indusium oblong Mppocrepiform. 



81. DIDYMOCHI..ffilNA, Desv. 



Vernation fasciculate and erect, snbarboreons. Fronds bi- 

 pinnate, 2-6 feet long ; pinnules oblong-elliptical, oblique, base 

 truncate, subsessile, articulated with the rachis. Veins radiating, 



