91. MABATTIA. § 1. EUMAHATTIA. 765 



the central ones to ± 5 c.M. long, to + .'Z,— I'/j e.M. broad, wHh the 

 apex acuminate, the edge serrate, the base cuneate. Texture membranaceous 

 to subcoriaceous ; surfaces naked; veins simple, pellucid. Sori distant from 

 the margin; synangia + S— ^-celled. 



* (3) M. sllvatica, BL, de Vr., Mon. Maratt., 6, tab. Ill, hg. 33 ; 

 Christ, Phillipp. Joum., II, 184. 



Stipes naked. Fronds large, 3-pinnate. Ultimate leaflets opposite or 

 alternate, to ± 10 c.M. long, to ± I'/s c.M. broad, the higher ones larger 

 than the lower, linear-lanceolate, acute, serrate, the base cuneate. Texture 

 flrm-chartaceous ; surfaces naked, upper dark-green, lower paler, minutely albo- 

 punctulate ; ultimate rachises narrowly winged, rather marginate ; veins simple, 

 rather spreading. Sori intramarginal, or nearly medial on the veins; synangia 

 ± 12— 15-celled. 



Java, Luzon, New Guinea. 



* (4) II. pellncida, J"r., de Vr., Mon. Maratt., 6; Christ, Philipp. 

 Joum., II, 184. 



Fronds 2-pinnate. Leaflets linear-oblong, subabruplly acuminate, serrate, 

 the base cuneate; highest leaflets the largest, to ± 12 '/^ c.M. long, to + 

 iVj c.M. broad. Texture herbaceous; surfaces naked, upper rather dark- 

 green, lower paler; costae and veins beneath naked or nearly so; veins most- 

 ly simple, vcrytj a^^ forked, straight, subspreading, pellucid. Sori rather 

 remote from the niai'gin, sometimes nearly medial on the veins; synangia ± 

 6— 8-celled. 



Philippines; New Caledonia. 



* (5) II. fraxinea, Sm., Hk. Bk., Syn. Fil., 440; Bedd., Ferns 

 2[ -:- lY^'Y. M. calliodus, de Vr., Mon. Maratt:, 6, tab. Ill, fig. 20. 



~: l^-- 3 c.M. long, smooth, deciduously scaly and swollen in the 



lower part. Fronds rather large, 2 — 3-pinnate. Highest leaflets largest, elongate- 

 lanceolate, ± 10—18 c.M. long, ± iVa— 2 c.M. broad, acuminate, the edge 

 serrate, the base broadly and obliquely cuneate or slightly rounded. Texture 

 membranaceous; surfaces naked; costae rather naked, or slightly scaly at the 

 very base; veins simple or forked, ± pellucid. Sori somewhat remote from 

 margin; synangia ± 6— 10-celled. 

 Trap. Am, Australia ^ Africa. 



