448 91. MABATTIA. § 1. EUMAEATTIA. 



5.5. Leaflets beneath alho-punctulate or verruculose. 

 e. Sort marginal or submargmal. 

 7. Synangia 4 — 8-ceUecl. 



(25) M. novoguineensis. 

 7.S'. Synangia, at least the largest, 9 — 12-celled. 

 (2c) M. andaiensis. 

 €.6. Sori more remote from the margin. 



{2d) M. Kingii. 



(Irt) II. squaiiiosa, Christ, in Nov. Guin., VIII, Bot., 163. 



Stipes thick, sulcate, castaneous, clothed like the main rachis with 

 copious black setae and ovate, hlunt or subulate, crisped, black scales. 

 Fronds large, narrowed towards the base. Pinnae distant, more or less 

 petiolate, up to + 40 cm. long, to + 12 cm. broad, narrowed at the 

 base, the rachis brownish, provided with few scattered, black scales, not 

 winged though somewhat dilated. Pinnulae opposite or alternate, nearly 

 sessile, subremote, + 15 — 20 pair below the terminal one, ligulate-oblong, 

 the largest 5 — 7 cm. long, + 1 cm. broad, the apex acute, the edge 

 serrate, revolute, the upper base somewhat broader than the lower; 

 lowest pinnulae very small. Texture coriaceous; colour black-green above, 

 paler beneath; surfaces naked or nearly so ; veins simple, prominent above, 

 immersed beneath. Sori submarginal, numerous, close; synangia + 6 — 12- 

 celled, yellow-brown. — See v. A. v. E. in Bull. Btz., 1911, I, 10. 



Neio Guinea. 



(2) II. sambiicina, Bi. 



Leaflets multijugate, rarely to 11 cm. long and \\ cm. broad; 

 veins very rarely forked. 



(2a) II. ffirooksii, Copel., in PhiUpp. Journ., VIF, 59. 



Stipes clothed towards the base with small, castaneous scales, provided 

 in the upper part with rugiform, transverse thickenings, as is the main 

 rachis. Fronds 3-pinnate. Pinnae long-stalked. Pinnulae short-stalked, 

 i 3 on a side. Leaflets + 5 on a side, sharply serrate, acute or 

 acuminate, broadly cuneate at the base, the lower stalked, the higher 

 the largest, + 5 cm. long, l'/4 cm. broad. Texture subcoriaceous ; veins 



