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the base, open at the apex, ie. exteriorly, 
open or free at the sides. 
Indusium small, narrow, thin, fixed only 
by its broad base. Rhizome creeping, 
stipe articulated with the rhizome. 
Genus VII.—Leucostegia Presl. 
Indusium leathery, attached at sides 
and base, half cup-shaped. Rhizome creep- 
ing, stipe articulated with the rhizome. 
Genus VIII—Davallia Sm. 
Indusium membranaceous, half cup- 
shaped, attached at the sides and base. 
Rhizome creeping ; stipe continuous with 
the rhizome. Geaus IX.—Microlepia Prist, 
Indusium forming a compressed, almost 
round or cup-shaped pouch, only open at 
the top. Rhizome creeping ; stipes tufted, 
not articulated upon the rhizome, 
Genus X.—Stenoloma Fee 
Trine V.—Linpsayve& 
Sori placed in a line at or near the 
margin of the frond at the apex of and 
uniting two or more veinlets. Indusium 
double, i.e. formed of two valves, the inner 
of which is membranaceous, the outer 
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