71. POLTPODIUM. § 6. PLlTOPBLPJS. C*. PHYMATODES. 661 



rigid, pale-brown, 12— 2S c.M. long. Fronds deltoid, 15—20 c.M. long, 20— 

 25 c.M. broad, cut down nearly or quite to the cosla. Segments 5 — 7, lan- 

 ceolate, acuminate, 10—15 c.M. long, 1—2 c.M. broad, the edge obscurely 

 repand. Texture coriaceous; main veins of the segments raised, erecto-patent, 

 distinct and straight to the edge; areolae small, copious, hexagonal. Sori 

 large, round, superficial, solitary between the main veins, the lower medial 

 between the costulae and margin, the higher nearer the margin. 

 Sumatra. 



(200) P- anomaluin, Chri*t, Bull. Herb. Boiss., VI, 201, tab. Ill, 

 fig. 3, a — d; P. helerolobum, C. Chr., Ind. Fil. 



Rhizome creeping, the scales brown, ovate-subulate, crisped, patent. Stipes 

 scattered, 5 — 4 c.M. long, naked like the whole plant, stramineous. Fronds 

 ± 20 c.M. long, the base gradually decurrent; sterile fronds to ± 8 c.M. 

 broad, irregularly pinnatifid ± Vi'^^^Y down to the costa into lobes different 

 in size and shape; fertile fronds lanceolate-ligulate, ± I'/a c.M. broad, the 

 margin irregularly repand. Texture membranaceous ; costa distinct ; main veins 

 conspicuous ; areolae large, principally in ± 4 rows on each side of the costa, 

 with free veinlets. Sori numerous, irregularly scattered. 



Philippines. 



(201) P grandidentatum, nu., Ann. of Bot., V, 479 ; P. dih- 

 latum. Wall., var. grandidentatum, Ces., Fel. di Bor., 27. 



Stipes 30 c.M. or more long below the wing, the wing ± 15 c.M. long 

 to the lowest segment. Fronds oblong, + 90 c.M. long, deeply pinnatifid. 

 Segments lanceolate, the central ones 20 — 25 c.M. long, 2*/2 — 3'/j c.M. broad, 

 sharply foothed, the lower ones much dwarfed. Texture membranaceous; sur- 

 faces naked; main veins of the segments erecto-patent, distinct to the edge. 

 Sori copious, minute, scattered. 



Borneo. 



• (202a) P. pteropus, BL, Rac, Flor. Btz., I, 110; Bl., Flor. Jav., 

 II, 168, tab. LXXVI; P. tridaclylum. Wall., Hk. & Grev., Ic. Fil., tab. CCIX; P/e- 

 opeltis Iridactyla, Moore, Bedd., Ferns Br.I., I, tab. XI; PI. pteropus, Moore, 

 Bedd., Handb. Ind. Ferns, 559. 



Rhizome creeping, the scales lanceolate-subulate, blackish or brownish. 

 Stipes scattered, 5—20 c.M. long, naked or sparingly scaly. Fronds lanceolate, 

 simple to pinnatifid with a large terminal lobe 10 — 30 c.M. long, 2*/j — 5 c.M. 



