146 



FEKNS : BEITISH AND FOREIGN. 



13. A. gigantemn, Blume ; Hook. Sp. Fil. 4, p. 50. Var. 



fi minor, Thwaites, Enum. PL Zeyln. p. 390. 

 Ceylon. 



*** Fronds pinnatifid or pinnate ; the segments sessile, 

 decurrent. 



14. A. Pteropus, Eunze ; Hook. Sp. Fil. 4, p. 47. Aspidium 



decurrens, J. Swi. Cat. 1857. Ceylon. 



71. PLEOCNEMIA, Presl. 



Vernation fasciculate, erect, caudex arborescent. Fronds 

 bi-tripinnatifid, 46 feet long. Veins of lacinias costteform ; 

 Tenules forked, the lower ones arcuately and angularly anasto- 



Genus 71. Portions of barren and fertile pinnae. No. 1. 



mosmg, forming unequal areoles next the costa, the upper ones 

 free. Receptacles medial on the free or anastomosed venules, 

 punctiform. Sori round. Indusium reniform. 



1. P. Leuzeana, Presl; Hook. Gen. Fil. t. 97. Polypodium 

 Leuzeanum, Gaud, in Frey. Voy. t. 6. Nephrodium 

 Leuzeanum, Hook. Philippine and Fiji Islands. 



