91. MARATTIA. § 1. EUMABATTIA. 453 



; surface pale; secondary rachises narrowly winged; veins simple, not 

 pellucid. Sori submarginal; synangia 9 — 12-celled. 

 Neio Guinea. 



&2. CHRISTETVSEIXIA., JUaxon. 



(1) C Ciiiiiiu^^iaiia, Christ; Copel., in Philipp. Journ., I.V°, 

 tab. VIII; G. Cumingii, Copel, in Leafl., Ill, 797. 



Synangia often, though not invaiiably, in 2 rows between the main 

 veins. 



Also in Luzon, Negros. 



(2) C acscniifolia, Matv. 



Synangia mostly, though not always, scattered irregularly. 



X, OI*HIOGLOSSACB^\.E, 

 03, OPHIO&LOSSXJM:, lAnni. 



§ 1. EU-OPHIOGLOSSUM. 



(la) O. lineare, Schlt. 4' Brau., in Lautb., Beitr. Flor. Pap., I, 

 59, fig. 3 F. 



Rhizome cylindrical. Whole plant to 5 cm. high, consisting of a 

 single fertile segment without barren blade, the spike dilated, + 1 cm. 

 long, blunt, on a peduncle + 1 — 1'/2 nira. broad. 



Neio Guinea (Bismarck Islands). 



(3) O. iiiconspicuiim, ». A. v. JK.,- — var. majus; O.gregarium, 

 Christ, in Nov. Guin., VIII, Bot., 164; C. Chr., Ind. Fil., Suppl. 



(4) O. puniilum, r. A. v. R. 



Rhizome short, erect. Whole plant 1—8 cm. high. Fronds 1 — 3, 

 sometimes more, the barren segment roundish or oblong, sessile with a 

 cuneate, acuminate, adnate base, placed near the base of the plant, 3 — 12 

 (mostly under 10) mm. long, + '/. — "/s ^^ broad, blunt or minutely 



