io8 



Ferns of British India and Ceylon. 



naked ; fronds subcoriaceous, more or less dimorphous, up to 12 

 inches long by 3-6 inches broad, fertile ones with a long terminal 

 pinna, and 2-4 pairs of lateral ones which are simple, forked, trifid 

 or even more compound, the lateral lobes being pinnatifid, the seg- 

 ments very narrow, i inch or less broad, entire ; sterile fronds gene- 

 rally smaller, more compound, the lateral pinna; being pinnate, 

 sharply toothed, and much broader than in the fertile ; veins forked 

 or simple, diverging at about two-thirds of a right angle from the 

 midrib, very close together. Burin. Fl. Ind. p. 230. Hook. Syn. 



Fil. p. 155. Pteris crenata (Sw.), Bedd. 



F. S. I. t. 35. 



Malabar, rare; Hills of Vizagapa- 



tam district, common; plains of East 



Bengal, Bhotan to Chittagong; Ceylon ; 



Birma ; and Malay Peninsula. 



(Also in Tropical Australia, China, 



and Polynesia.) 



Var. /3 Grevilleana. Margin of 

 the frond, where barren, with some 

 spinulose teeth, lowest pinna; in the 

 barren frond often pinnate, the seg- 

 ments or pinnules acute. Clarke, F. 

 N. I. p. 464. This was included under 

 cretica in the Kew Herbarium, but Mr. 

 Clarke has referred it here on account 

 of the venation, and much divided 

 think, than of 



N°56 



PTERIS DACTYLINA. 



{Hook) 



lower pinna; ; it has more the habit of cretica, I 

 ensiformis. 



Sylhet, Mishmee, Khasya, Chittagong Hills. 



7. Pteris Griffithii. {Hook) A foot and more high, 

 slender graceful; caudex none; roots of tufted fibres; frond ovate - 

 lanceolate, submembranaceous pinnate, upper pinna; simple, 2 or 3 

 of the lower pairs again pinnated simple; pinnae and pinnules 

 exactly linear, \-\\ inch long, obtuse, mostly opposite, everywhere 



