48a. PTERIS. § 1. ETIPTERIS. C*. BIPmNATIFIDAE. 369 



± 170 c.M. long. Fronds 130—200 c.M. long. Terminal pinna 50 c.M. or 

 more long, 7 c.M. or more broad, with numerous closely placed, linear, + 

 spreading, straight or falcate segiAents on each side, which are sometimes 

 S c.M. long, 1 c.M. broad, dilated at the base and slightly serrate in the 

 barreh partr Lateral pinnae several, similar to the terminal one, the lowest 

 distant, to 60 c.M. long and to 20 c.M. broad, whether or not forked at the 

 base. Texture subcoriaceous ; rachis channelled and sparingly bristly above; 

 both surfaces naked; veins once forked. Sori not reaching the apex of the 

 segments. 



Malaya; North. India, Fiji, Hawaii. 



$ 1. EUPTERIS. c. CoinpojSitac. **. Partitae. 



5tc At least the barren ultimate segments inciso-crenate to dentate or serrate 



throughout or towards the apex. (31) Pt. longipes. 



)(c>|; Both barren and fertile ultimate segments entire or somewhat crenulate. 



^ (32) Pt. radicans. 



* (31) i*t. longipes, non, Rac, Flor. Btz., I, 154; Pt. pellucens, 

 Agardh., Bedd., Ferns S.I., tab. XXXII; Pt. Zollingeri, Mett., Ann. Mus. Bot. 

 L. B., IV, 97. 



Rhizome erect, densely clothed with lanceolate scales. Stipes 30 — 120 

 c.M. long, erect, naked, stramineous or pale-brown. Central branch with a 

 terminal pinnula about 7 — 15 c.M. long, t — 272 c.M. broad, cut down nearly 

 to the costa into numerous erecto-patent, linear-oblong lobes on each side 

 about V2"~*V2 ^•^- ^^^^' ^ — ^ ™-^- Iroad, bluntly toothed towards the point 

 when barren; below this numerous lateral, pinnate or pinnatifid pinnulae on 

 each side. Lateral branches similar to the central one. Texture herbaceous; 

 rachises and both surfaces naked or the secondary rachises slightly scaly above; 

 veins not prominent, forked. Sori not reaching the apex of the segments. 



Trap. Asia. 



(32) Pt. radicans, Christ, Ann. Btz. XV, 110. [See Supplement 1. 



Stipes about 100 c.M. long, reddish-yellow. Fronds to 150 c.M. long, 

 deltoid, with a central branch and 2 lateral branches on each side, which are 

 half as long as the central one. Branches pinnate; pinnulae distant, + 15 

 on each side of the central branch and + 6 on each side of the lateral 



FiLicEs. 24 



