50. SADLERIA. 389 



Pinnae erecto-patent or spreading, 20—40 c.M. long, 1 —5 c.M. broad, cut down 

 into very numerous pinnulae. Pinnulae linear, subfalcate, acute or bluntish, 

 sessile with a dilated base, to 4 m,M. broad, those of the upper pinnae conected 

 at the base, the lower ones free. Texture coriaceous; veins inconspicuous; 

 rachis and both surfaces naked. Sori placed on elevated receptacles. 

 Sumatra; Hawaii. 



SI. DOODI^^, K. Brown. 



Sori oblong, straight or slightly recurved, superficial, placed in 1 or 

 more rows on each side, parallel to the costa. Indusium of the same shape 

 as the sorus, attached at the outer side, opening inwardly. 



Rhizome + erect. Stipes not articulate to the rhizome. Fronds pinnatifid 

 or pinnate ; veins forming 1 or more series of arches between the midrib and 

 edge, on which the sori are placed. Hk. Bk., Syn. Fil., tab. IV, fig. 57; 

 Diels, in Engl. & Prantl, Nat. Pfl.Fam., I*, fig. 134, C— D. 



)|< Fronds pinnatifid, at best pinnate in the lower half, the i — 3 lowest pairs 

 of segments occasionally quite free, rounded and subauriculate at the base. 



(1) D. dives. 



>(c>K Fronds pinnatifid in the upper, pinnate in the lower half, with some of the 

 lower pairs of pinnae cordate or distinctly auricled, or even hastate at the 

 base. (2) D- media. 



* (1) D. dives, Kme, Rac, Flor. Btz., I, 164; Kze, Farnkr., II, tab. 



CV; Bedd., Ferns S.I., tab. CCXXII. 



Rhizome + erect, densely clothed with dark-brown, lanceolate, acuminate 

 '-' scales. Stipes slender, erect, naked, blackish like the rachis, scaly at the 



^ base, 10 30 c.M. long. Barren fronds ovate-lanceolate, to + 30 c.M. long, 



i 7—13 c.M. broad, deeply pinnatifid throughout, at best pinnate in the lower 



S half. Segments several to many, linear or linear-oblong, + blunt, subundu- 

 '^ late, serrate, dilated at the base, + 1 c.M. broad, the higher ones confluent, 

 I the lower ones confluent or contiguous and occasionally the 1—3 lowest pairs 



quite free, rounded and subauriculate at the base. Texture coriaceous; 



surfaces naked. Fertile fronds often longer, with narrower segments; seg- 



