122 



FEENS : BEITISH AND FOREIGN, 



Tribe V.— GRAMMITIDE-ffi. 



Son linear, sometimes only oval or oblong,- oblique or trans 

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

 naked. 



entire or rarely forked, 



* Veins free. 



§ 1. Grammi-itece. Fronds Unear, 

 generally smooth. 



47. GaAMMITIS, 8w. in pari. 



Vernation fasciculate, or uniserial and sarmentose, becoming 

 caespitose. Fronds linear-lanceolate, entire, rarely subpinnatifid, 

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



\^ 



Genus 47. — Portion of frond, natural sizcj ditto, enlarged. 



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

 Becepiacles elongated, medial-terminal. Sori ovate, oblong or 

 linear oblique, sometimes punctiform transverse-uniserial. 



1. G. marginella, Sw. Syn. Fil. Sehh. Fil. t. 7. Polypodium 



marginellum, 8w. Fl. Ind. Occ. — St. Helena. 



2. G. AUStralis, B. Br. Grammitis Billardieri, Willd.; Eunze, 



Anal. t. 9,/. 2.— New South Wales. 



48. XIPHOPTEEIS, Kaulf. 



Vernation contiguous, sub-fasciculate ; sarmentum slender, 

 Bub-erect, Fronds 2-6 inches high, linear, dentate-serrate or 



