53. piflLAZIUM. § 1. EUDIlfLAZIUM. 419 



the base. Lob^ + 15 on each side, + 3 m.M. long, porrect, triangular- 

 falcate, acute, the -edges serrulate, often reflexed. Texture very rigidly coriace- 

 ous, nearly woody; surfaces naked; colour black-brown; veins + 4 — 7-jugate, 

 oblique, stout, simple. Sori reaching from the costulae nearly to the edge, 

 very oblique, convex, black-brown, linear, simple ; indusium coriaceous, brown, 

 persistent. 

 Palawan. 



(42) D. amplissimum, IHelg, in Engl, k Prantl, Nat. Pfl.Fam., 

 P, 227; Asplenium amplissimum, Bk., Ann. of Bot., V, 310. 



Fronds ample, -S-pinnatifid. Pinnae oblong-lanceolate, 30 — 45 c.M. long. 

 Pinnulae lanceolate, lower short-stalked, 7-10 c.M. long, 2 '/j — 3 '/i c.M. broad, 

 cut down to a narrow wing into oblong-lanceolate, crenate tertiary segments. 

 Texture moderately firm; surfaces naked; rachises brown-stramineous, naked 

 or sparsely fibrillose; veins 6 — 7-jugate, mostly forked. Sori oblong, reaching 

 from the midrib Va'^^Y *<> the edge. 



Amhoyna. 



(43a) O. oligOSOruin, Copel., Philipp. Journ., II, 128. 



Rhizome erect. Stipes close, + 40 c.M. long, the base castaneous, swpllen, 

 aculeate, slightly scaly, the rest smooth and yellowish-brown like the rachises. 

 Fronds 50 — 60 c.M. long, 40 — 50 c.M. broad, acuminate, 3-pinnatifid. Lateral 

 pinnae opposite, + 3-jugate, rather equal, + 10 c.M. apart, stalked, horizontal, 

 acuminate. Pinnulae subsessile, + 7 c.M. long, + 2 c.M. broad, caudato- 

 acuminate, the base truncate, the edge cut down nearly to the costa into- 

 oblong, obtuse, subfalcate, entire or serrulate segnrents 4 — 5 m.M. broad. 

 Texture thinly coriaceous; surfaces naked, the upper black-green, the lower 

 paler; veins distant, often simple. Sori minute, nearer the edge than the 

 costulae. 



Mindoro. 



* (436) D. polypodioides, m., Christ, Farnkr. d. Erde, 219; 

 Bedd.,* Ferns Br.I., II, tab. CCXGIII; Asplenium polypodioides, MetL, Rac, Flor. 

 Btz., I, 227, p. p. 



Caudex erect, krong, subariorescent, densely clothed at the crown with 

 long, brown scales. Stipes densely tufted, stout, 30—100 c.M. or more long. 

 Fronds 90—120 c.M. long, + 50—60 c.M. broad, 2-pinnate, with + 8—9 

 distant, stalked, .divided pinnae on each side below the simple higher ones. 



