﻿704 75. DRTMOGLOSStJM. 



areolae hidden. Perile fronds longer, + 10 c.M. long, linear-ligulate, obtuse, 

 + 5 m.M. broad, on stipes + 4 c.M. long; costa conspicuous. Sori linear, 

 parallel to the costa and covering the margin. 

 New Guinea. 



re. CHR,lSTOE»TEK,IS, Copeland. 



Sori long, linear, close to the costa, 1 on each side, finally covering the 

 w^hole under surface of the contracted fertile fronds. No indusiuni. 



Rhizome creeping. Stipes articulate to the rhizome. Fronds dimorphous. 

 Barren fronds sagittate, fertile 3-partite w^ith narrow segments; veins anas- 

 tomosing; areolae with included free veinlets. 



Philippines. 



C sagitta, Copel., Polypod. Philipp., Ill; Philipp. Journ., I, Suppl. 

 157, tab. XIII; Polypodium Sagitia, Christ, Bull. Herb. Boiss., VI, 199. 



Rhizome creeping or scandent, the younger part densely clothed with 

 spreading, cinnamon-coloured, filiform scales ± 8 m.M. long, which are de- 

 ciduous, leaving older parts sparsely covered with ferrugineous scales + 4 

 m.M. long. Stipes fuscous or ebeneous, of sterile fronds + 10 c.M., of fertile 

 + 20 c.M. long, naked. Barren fronds 15 — 20 c.M. long and broad, deltoid, 

 the point acuminate, with a triangular sinus 2 c.M. high and wide where 

 the stipe is attached, with a broad, shallow sinus between the apex and each 

 lateral point. Texture coriaceous; surfaces naked; the 3 main ribs conspicu- 

 ous, the main veins strictly parallel, subevident. Fertile fronds cleft to within 

 ± 1 c.M, of the base into 5 narrowly linear, somewhat spreading, obtuse 

 segments 8 — 20 c.M. long, ± 3 m.M. broad. 



Philippines. 



