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free below, pinnz pinnatifid. down to a narrow- 
ly winged rachis; ultimate segments linear. 
Texture firm, membranaceous. Veins a central 
costa in each segment, spurious venules none 
or indistinct. Sori terminal; indusium tubular, 
sunk or somewhat protruding ; mouth very 
distinctly two-lipped with the lips almost tri- 
angular. 
Distribution : Western forests of the 
Bombay Presidency. 
Western forests of the Madras Presidency, up 
to 8,000 feet; Ceylon; Himalayas and Khasya 
hills up to 6,000 feet. Throughout the tropics 
of the whole world. 
Tripe IV.—DavaLLic& 
Sori rounded or oblong, situated at or near 
the margin; indusium adherent at the base, 
open at the apex, i.e. exteriorly, open or free at 
the sides. 
Genus VII.—Leucostecia PRESL. 
(Deriv. Gr. Leucos, white ; stegos, a cover.) 
Indusium small, narrow, thin, fixed only 
by its broad base. Rhizome creeping, stipe 
articulated with the rhizome. 
