86c. LOMAGEAMMA. 437 



the contracted segments of fertile fronds. Paraphyses wanting. Spores 

 oblong or bean-shaped (2-lateral). 



Rhizome wide-scandent over trees. Stipes not articulate to the 

 rhizome. Fronds dimorphous, pinnate or 2-pinnate; pinnae articulate to 

 the rachis; no main veins; veins free, or anastomosing copiously and 

 forming hexagonal areolae without free veinlets. 



Assam, Malaya, Polynesia. 



1. Veins free. (1) L. articulata. 



(2) L. bipinnata. 

 1.1. Veins anastomosing. 



a. Leaflets serrate or toothed. (3) L. lomarioides. 



2.2. Leaflets entire or crenate, at best someivhat toothed towards the apex. 

 3. Main rachis loinged toioards the apex. 



4. Leaflets thin, if firmer, then reddish wlien dry. 



(4) L. pteroides. 

 S:.4L. Leaflets subcoriaceous, not reddish tohen dry. 



5. Veins beneath reddish ivhen dry. (5) L. Brooksii. 

 S.S. Veins beneath not reddish when dry. 



(6) L. abscondita. 

 3.3. Main rachis not ivinged. (7) L. perakensis. 



(1) I^. artieiilata, Copel., in Philipp. Journ., IIF, 32; C. Chr., 

 Ind. Fil., Suppl. ; Acrostichum articulatum, Hk., Hk. Bk., Syn. Fil., 413 ; 

 Polybotrya articulata, J. Sm., Copel., Polypod. Philipp., 40; Christ, Farnkr. 

 d. Erde, fig. 101; C. Chr., Ind. Fil. 



Rhizome woody, wide-creeping, naked. Stipes scattered, + 30 cm. 

 long, firm, shchtly scaly. Barren fronds ovate-oblong, 30 — 80 cm. long, 

 20 — 30 cm. broad, 2-pinnate. Pinnae lanceolate, stalked, spreading, rather 

 remote, articulate to the rachis. Pinnulae rhomboidal, articulate, unequal- 

 sided, + 1 — I'/j ®ii^- long) i ''2 — 1 ^^- broad, blunt, crenate or toothed, 

 the upper base truncate, often auricled, the lower base cuneate. Texture 

 herbaceeus ; costae and veins distinct, more or less scaly. Fertile pinnulae 

 contracted, shortly linear, ± '/^ cm. long, with the sporangia acrostichoid. 



Celebes, Philippines; Society Islands. 



