122 



FERNS : BRITISH AND FOREIGN. 



Tem V.— GRAMMITIDE^!. 



Sort linear, sometimes only oval or oblong, oblique or trats 

 verse, marginal or costal, or more or less complete, reticulated 

 naked, 



* Veins free. 



§ 1. GrammitecB. Fronds linear, entire or rarely forked, 

 generally smooth. 



47. GRAMMITIS, Sw. impart. 



Vernation fasciculate, or uniserial and sarmentose, becoming 

 CEespitose. Fronds linear-lanceolate, entire, rarely siibpinnatifid, 

 plane, opaque, smooth or pilose, 6-10 inches high. Veins simple 



Genus 47. — Portion of frond, natural size ; ditto, enlarged. 



or forked, generally clavate, free ; the anterior venule fertile. 

 Receptacles elongated, medial-terminal. Son ovate, oblong or 

 linear oblique, sometimes punetiform transverse-uniserial. 



1. G. marginella, Sw. Syn. Fit. Schh, Fil. t. 7. Polypodium 



marginellum, Sw. Fl. Ind. Occ. — St. Helena. 



2. G. Australia, B. Br. Grammitis Billardieri, Willd.; Kunze, 



Anal. t. 9,/. 2— New South "Wales. 



48. XIPHOPTERIS, Kaulf. 



Vernation contiguous, sub-fasciculate ; sarmentum slender, 

 sub-erect. Fronds 2—6 inches high, linear, dentate-serrate or 



