60a. PHEGOPTERIS. § 2. LEPTOGHAJUMA. 315 



largest, + l'/-i cm. long by + 4 mm. broad, serrate-crenate, truncate- 

 rotundate at the apex. Texture coriaceous; surfaces naked; costae 

 beneath more or less deciduously flbrillose, above canaliculate with 2 

 interrupted lateral crests ; veins to 8 on a side, forked at the middle, the 

 higher simple. Sori numerous, the lower oblong, occupying the unbran- 

 ched portion of the veins, the higher roundish, subcostular, 

 Java. 



3. GONIOPTERIS. 



(25a) Ph. obtusifolia, v. A. v. R.f Bryopteris obtusifolia, Bst., 

 in Fed., Rep., X, 336; C. Chr., Ind. Fil., Suppl. 



Rhizome short-creeping; scales sparse, contort. Stipes ± 2 — 5 cm. 

 long, dirty-brown, grooved and strigose above, densely clothed beneath 

 with short, adpressed hairs, as is the rachis. Fronds lanceolate, pinnate, 

 acuminate. Pinnae + 8 on a side below the terminal one, alternate, 

 subhorizontal, subsessile, oblong, the largest + 1 ' 2 cm. long, 8 — 10 mm. 

 broad, obtuse, subentire or slightly wavy, truncate or broadly cuneate at 

 the base; terminal pinna lanceolate, pinnatiM at the base, subentire 

 towards the acute apes ; lower pinnae gradually reduced to mere auricles. 

 Texture herbaceo-chartaceous ; colour dark-green; upper surface sparingly, 

 lower densely short-hairy; main veins + 8 on a side; veins 1 — 2, the 

 single or basal ones anastomosing, the others (if present) mostly free. 

 Sori 1-seriate, rarely incompletely 2-seriate, medial between the costaand 

 margin, approximate or confluent in pairs; sporangia setose. 



New Guinea. 



(29d) Ph. acanthocarpa, v. A. ». JS.,- Bryopteris acanthocarpa, 

 CopeL, in Philipp. Journ., VF, 136, tab. XVII; C. Chr. Ind., Fil, Suppl. 



Rhizome creeping. Stipes aggregate, those of the fertile fronds ± 

 35 cm. long, naked. Fronds with an oblong, crenated, abruptly acum- 

 inated terminal pinna + 15 cm. long, 8 cm. broad, rounded at the base, 

 and below this a smaller, subsessile, similar, subentire one on each side, + 

 10 cm. long, and 5 cm. broad, bulbiferous in the axil. Texture coriaceous ; 

 surfaces naked; veins copious. Sori in several rows on each side of the 

 costa, nearly close to the main veins, round or oblong; sporangia spiny. 



Borneo. 



