Ferns of British India and Ceylon. hi 



usually once-forked ; lowest veins reaching the margin above the sinus 

 when very deeply cut, at the sinus when less deeply cut; sori gene- 

 rally partial on the segments, rarely continued to the apex. Retz. 

 Obs. vi. 38. Hook. Syn. Fil. p. 158. Bedd. R S. I. t. 31. 



Throughout India, Ceylon, and the Malay Peninsula, from the 

 plains up to 8,000 feet, very common. 



(Also all round the world throughout the tropics and a little 

 beyond them.) 



The following varieties are tolerably constant even in cultivation : 

 Var. /j argentea. Like the type, but with broad white 



bands down the centre of the pinnae. 



Nilgiris and Western mountains of the Madras Presidency only 



at high altitudes ; much in cultivation even in England. 



Var. y aspericaulis. Rachis and nerves red ; stipe and 

 rachis asperous, generally very rigid, coriaceous, and shining. (Often 

 called rubro-nerva.) 



Wynaad, Coorg, and elsewhere on the western side of Madras 

 Presidency, 3,000-4,000 feet elevation. 



Var. setigera. Rachises and costules setigerous, very 

 membranaceous in texture, nearly all the pinnae bipartite, the lowest 

 pair with sometimes several pinnas descending along the lower side. 

 Bedd. F. B. I. t. 202. 



Coorg and Malabar : Moulmein on limestone rocks. 



Var. £ ludens. Pinnules very abnormally cut, sometimes 

 only with a waved margin for the greater length, then developing 

 normal segments, then again narrowing into only the waved margin. 

 Bedd. F. S. I. tabs. 41 and 219 (under Otaria.) 



Malabar, Quilon ; Ceylon. 



Mr. Clarke gives the following varieties for Northern Indja : 

 Var. v KHASIANA. The lowest pinna; with 5 secondary pinnoe 



