82 
Ferns of British India and Ceylon. 
TRIBE VI.— PTERIDEiE. 
Sori marginal, oblong, or linear ; indusium of the same shape 
as the sorus, formed of a more or less changed and reflexed portion 
of the frond, opening inwardly. 
GENUS XXIIL— ADIANTUM. 
{AdiaJifos, dry; water will not lie on the fronds.) 
Sori marginal, varying in shape from globose to linear, usually 
numerous and distinct, sometimes confluent and continuous ; indu- 
sium of the same shape as the sorus, formed of the reflexed margin 
of the fronds, bearing the capsules on its under side ; veins free. 
T. Adiantum Parishii. {Hook.) Small, c3espitose ; no distinct 
vergent, repeatedly dichotomous ; stipes slender, filiform, ebeneous, 
black, shining, articulated at the summit. Hook. Sp. Fil. ii. 237, and 
Fil. Exot. i. 51 ; Syn. Fil. p. 114. Bedd. F. B. I. t. 16. 
Moulmein, on limestone rocks. 
few (3-5) lobate; 
caudex; roots few, 
fibrous, tomentose ; 
fronds about i inch 
each way, orbicular, 
flabellate, membra- 
neous, pellucid, ste- 
! ile ones crenate- 
dentate, fertile ones 
ADIANTUM PARISHII. [Hook.] 
sinuses deepsorifer- 
ous ; veins origi- 
nating from the 
base, flabellately-di- 
2. Adiantum lunulatum. {Bimji.) Stipes 4-6 inches long, 
tufted, wiry, naked, polished dark chestnut-brown; fronds 6-12 
