io8 Fkrns of British India z\nd 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 pinnae 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. Burm. Fl. Ind. p. 230. Hook. Syn. 
Fil. p. 155.- Pteris crenata (Sw.), Bedd. 
F S. L 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 pinnae in the 
barren frond often pinnate, the seg- 
ments or pinnules acute. Clarke^ F 
JV. 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 
lower pinnae; it has more the habit of cretica, I think, than of 
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 pinnae simple, 2 or 3 
of the lower pairs again pinnated simple; pinnae and pinnules 
exactly linear, inch long, obtuse, mostly opposite, everywhere 
PTERIS DACTYLINA. [Hook.) 
