﻿606 71. POLYPODIUM. § 1. EUPOLYPODIUM. d. PINNATAE. 



the central part of the pinnae, 4 — 10 on each side of the costae, reaching 

 nearly from the midrib to the margin, immersed, the margins of the cavities 

 conspicuously crateriform. 

 Mindanao. 



(89) P. isiliarongae, Christ, Ann. Btz. XIX, 36. 



Rhizome short, oblique, clothed with thin, subulate, brown scales. Stipes 

 short, tufted. Fronds linear-lanceolate, ±15 c.M. long, + i 72 cM. broad, acu- 

 minate. Pinnae numerous, 50— 40 on each side, often opposite, 8 m.M. long, 

 5 m.M. broad, oblong, lower deltoid, higher toothed, the teeth deep, large, ± 

 3 on a side, deltoid, acute. Texture coriaceous; rachis ebeneous, rigid; colour 

 dark; surfaces naked, under side glaucous; veins hidden. Sori medial, large, 

 round, confluent, 1 to each tooth. 



Celebes. 



(90) P. solidum, Mett., Hk. Bk., Syn. Fil., 324; Mett., Farng., I, 

 Polypod., tab. I, fig. 1 — 5; Ctenopteris solida, Kze, (oldest name). 



Rhizome stout, creeping, clothed with lanceolate, ferrugineous scales. Stipes 

 ^Yj c.M. long, firm, erect, naked. Fronds 10—20 c.M. long, 21 c.M. broad, 

 cut down nearly to the midrib into close, distinctly toothed, bluntish lobes 

 + 5 m.M. broad. Texture coriaceous; both surfaces naked; veins once or more 

 times forked. Sori oblong, subimmersed, 1 — 4 on each side, medial between 

 the costulae and the margin. 



Java, Philippines. 



(91) P. sutoobliquatum, Christ, Bull. Herb. Boiss., VI, 197; 

 P. obtusissimum, C. Chr., Ind. Fil. 



Rhizome short-creeping, slightly scaly. Stipes approximate, 1 — 2 c.M. long, 

 brown, clothed like the rachis with short, cinnamon-coloured hairs. Fronds 

 10 — 15 c.M. long, + 2 c.M. broad, lanceolate-oblong. Pinnae obtuse, alternate, 

 ± 2 m.M. broad, dilated at the base, remote, reduced towards the ends of 

 the frond. Texture coriaceous ; colour rufescent ; surfaces naked ; veins oblique, 

 simple, inconspicuous. Sori 4 — 6 on each side, medial, oval, hardly immersed, 

 the margins of the cavities not crateriform. 



Luzon. 



* (92) P. nutaiiiS, JM., Rac, Flor. Btz., I, 92; Bl., Flor. Jav., II 

 182, tab. LXXXVI, A. 



