91. MARATTIA. § 1. EUMARATTIA. 451 



(5&) 11. caadata, Copel., in Philipp. Journ., IX^, 227. 



Fronds large, the rachis castaneous or black-brown, naked, nearly 

 smooth. Pinnae to 50 cm. long, stalked, the rachis black-brown, smooth. 



Pinnulae stalked, the higher the largest, to ± 15 cm. long, ± 1 '/ 1 '/, 



cm. broad, caudate, serrate, or entire towards the cuneate base. Texture 

 papyraceous; surfaces naked; veins opaque, mostly simple. Sori distant 

 from the margin; synangia 6— 8-celled; indusium black-brown., 



Sumatra. 



(6) Ml. ternatea, de Vr. 



Pinnulae I'/i — 2 '4 cm. broad; largest synangia 12— 15-celled. 

 Omit the information regarding Teysmann's plant. 

 Also in Java (?). 



(6a) IB. papiiaaia, ». A. ». «., in Bull. Btz., 1916, XXIII, 17. 



Fronds probably 2-pinnate, the rachises smooth, apparently naked. 

 Pinnulae to 10 or more on a side, shortly petiolulate, ascending; higher 

 pinnulae largest, linear, 15—20 cm. long, 2—2^'^ cm. broad, serrulate, 

 serrate at the gradually and slightly acuminate apex, the base moderately 

 broadly unequally cuneate or rotundate-cuneate ; lower pinnulae much 

 shorter, unequally rotundate-truncate or rotundate-cuneate at the base. 

 Texture coriaceous; upper surface when dry fuscous; under surface paler, 

 brown ; costae and veins provided beneath with some scattered, deciduous, 

 laneeolate, lacerate-fimbriate, ferrugineous squamules; veins subhorizontal, 

 simple or sometimes apparently forked by their much approximated 

 (confluent?) bases, fuscous, impellucid. Sori more or less remote from 

 the margin, approximate; synangia elongated 12 — 15-celled; indusiuni 

 fimbriate. 



New Guinea. 



(Qb) II. obesa, Christ, in Nov. G-uin., VIE, Bot., 163. 



Stipes up to 50 cm. or more long, black, provided with a few lan- 

 ceolate-subulate, black-brown, scattered scales. Fronds large, up to + 

 150 cm. long, the rachis black or dark-castaneous, naked or subfurfuxaceo- 

 squamulose. Pinnae to ± 40 cm. long or longer. Pinnulae in 5 pair 

 below the terminal one, erecto-patent, ovate-oblong, + 10—18 cm-, long 

 and 272^372 cm. broad, shortly calloso-petiolate, the apex acute, short- 

 acuminate, the margin minutely repando-crenulate, the base unequally 



