55. ASPLENIUM. § 3. EU-ASPLENIUM. 287 



Stipes tufted or approximate, glaucous-opaque or finally black-glossy, 

 deciduously scaly especially in the lower part. Fronds pinnate. Pinnae 

 pau3ijugate, stalked, lanceolate, + 12 Vj — 17 '/a cm. long, 2 — 4 cm. broad, 

 acuminate, entire or crenate, cuneate at the base; terminal pinna similar' 

 to the lateral ones or incised at the base. Texture flaccid-coriaceous; 

 surfaces naked or the under surface sparingly deciduously squamulose at 

 least on the costae; colour glaucous or pale-olivaceous when dry; veins 

 mostly forked, spreading. Sori long, reaching the costa but not the 

 margin; indusium pale, persistent. 



Sumatra. 



(26b?) A. Kingii, CopeL, in Philipp. .Journ., VF, 79. 



Stipes long, dark-grey, grooved, naked above. Fronds + 50 cm. or 

 more long. Pinnae + 5 on each side, subsessile, + 20 cm. long, + 5 

 cm. broad, abruptly acuminate, obscurely crenate, equal-sided at the base, 

 the lowest stalked, not rarely forked. Texture herbaceous ; surfaces naked ; 

 veins forked. Sori long, reaching neither the costa nor the edge; indusium 

 narrow, black-brown. 



New Guinea, 



(26c?) A. trif'olia<uiM, CopeL, in Phillipp. .Tourn., Y^, 284. 



Rhizome suberect, woody, the scales dense, membranaceous, ovate- 

 lanceolate, entire, acuminate, brown. Stipes clustered, 15 — 20 cm. long, 

 scaly, the higher scales smaller, subdeciduous. Fronds ternate. Lateral 

 segments + 12 cm. long, 3—5 cm. broad, caudate, adnate, decurrent; 

 terminal segment 40 — 50 cm. long, nearly 10 cm. broad, caudate, sharply 

 serrate. Texture herbaceous; upper surface black-green, naked, lower 

 paler, minutely and sparingly scaly; costae black-brown and prominent 

 beneath. Sori unequal, nOt reaching the costa and margin, hardly 1 mm. 

 broad; indusium persistent. 



Borneo. 



(27) it. diTersifoliuiii. Bl. 



Barren fronds simple, lanceolate, acuminate at both ends; fertile 

 fronds sometimes so, commonly pinnate; texture varying from membran- 

 aceous to coriaceous; margins entire to crenate; stipe, rachis, petioles 

 and pinnae more or less distinctly pellucid-margined ; pinnae naked or 

 sparingly minutely scaly. 



