452 91. MARATTIA. § 1. EUMARATTIA. 



rotundate-cuneate. Texture firm, flaccid; colour pale-yellow-green, somewhat 

 glossy; costae distinct, deciduously squamulose beneath; veins distinct, 

 subspreading, mostly simple. Sori marginal, close; synangia ± 6 — 8- 

 celled, yellowish or pale-brown. 

 Neto Guinea. 



(la) II. Teysinaiiniaua, ». A. ». «., in Bull. Btz., 1916, XXIII, 

 18; M. ternatea, de Vr., v. A. v. R., Mai. Ferns, 766, p. p. 



Rachises pale-yellow-brown, substramineous, apparently naked. Ul- 

 timate pinnulae ascending, petiolulate, lanceolate, acuminate, serrulate, 

 serrate at the apx, obliquely rotundate-cuneate at the base, broadest at 

 the upper base; higher (largest?) pinnulae 12 — 15 cm. long, 2 — 274 cm. 

 broad. Texture soriaceous, when dry very fragile and pale-olivaceous on 

 both sides but somewhat darker on the upper side ; under surface minutely 

 albo-punctulate, sparingly and deciduously squamulose on the costae and 

 veins; veins subhorizontal, pale, impellucid. Sori somewhat remote from 

 the margin; largest synangia 10— 12-celled; indusium fimbriate. 



Ternate Island. 



(lb) M. rugiilosa, ». A. ». K., in Bull. Btz., 1916, XXIII, 17. 



Fronds probably 2-pinnate, the rachises dirty-pale-brown, provided 

 with scattered elevated points or transversely oblong, low thickenings 

 when dry connected by numerous longitudinal, fine, irregular rumples. 

 Pinnulae 5—6 on a side, stalked, the higher the largest, lanceolate, 

 ascending, 10-15 cm. long, 2 — 2'/,, cm. broad at the middle, acuminate, 

 serrate, obliquely cuneate or rotundate-cuneate at the base. Texture 

 coriaceous, fragile when dry; surfaces naked; upper surface when dry 

 brown or fuscous; under surface pale-brown; veins subhorizontal, simple, 

 partly forked, not pellucid. Sori more or less remote from the margin; 

 largest synangia 8 — 10-celled ; indusium fimbriate. 



Borneo. 



(7c) II. granclifolia, Copeh, in Philipp. Journ., VF, 66. 



Near M. fraxinea Sm. but the pinnulae larger, the largest more thai! 

 20 cm. long and 3 cm. broad, acuminate, slightly acutely serrated, the 

 base unequally rotundate-cuneate, on stalks to 2 mm, long, the stalks 

 subvelutinous, glabrescent. Texture firm-herbaceous ; surfaces naked ; under 



