﻿53. DIPLAZIUM. <§ 1. EUDIPLAZniM. 421 



Fronds large. Pinnae petiolate, falcate, oblong, acuminate, the largest 

 30 — 45 c.M. long. Pinnulae short-stalked, spreading, oblong, acuminate, the 

 base cordato-truncate, the edge pinnatifid. Lobes falcate, ovate, bluntish, irre- 

 gularly inciso-serrulate, the margin revolute. Texture subcoriaceous ; surfaces 

 glabrescent; rachis partially aculeolate; costae and costulae paleaceo-asperous, 

 + Hexuose. Sori numerous, at length confluent. 



Java. 



(47) D. ceramicinn, C. Chf., Ind. Fil. ; Asplenium ceramicum, Miq., 

 Ann. Mus. Bot. L. B., IV, 168. 



Main rachis covered with few, deciduous scales; secondary rachises dilated at 

 the base, blackish. Fronds oblong, membranaceous, large, 3-pinnate or 4-pin- 

 natifid. Pinnae and pinnulae alternate. Pinnae short-stalked, lanceolate, acu- 

 minate, the lower ones 35 — 40 c.M. long. Pinnulae 10 — 13 c.M. long, short- 

 stalked, long-acuminate. Tertiary divisions short-stalked, sligthly falcate, the 

 apex obtuse, serrulate, the lower part crenato-pinnatilid, the base broadly cuneate. 

 Veins 2-fid or the lower ones forked or pinnate, the higher branches sori- 

 ferous. Sori linear, medial on the veins; indusium membranaceous, entire, 

 brownish. 



Ceram. 



(48) D. Hiittoni, C Cfcr., Ind. Fil.; Asplenium Hulloni, Bk., Ann. 

 of Bot., V, 311. 



Fronds large, deltoid, decompound. Pinnae oblong-lanceolate, 50 c.M. 

 long or longer. Pinnulae lanceolate. Tertiary segments obtuse, 4 — 5 m.M. 

 broad, deeply pinnatifid. Lobes oblong, obtuse. Texture moderately firm; 

 surfaces naked; main veins (costulae) pinnate in the lobes ; veins erecto-patent, 

 simple. Sori medial, short; indusium firm, naked, persistent. 



Malaya. 



a. 



$ 2. ANISOGONIUM. 



Fronds simple, or with i — 6 lateral pinnae on each side. 

 h. Simple frond or terminal pinna cordate at the base. 



c. Fronds simple, or with i — 2 pairs of lateral pinnae. 



(49) D. cordifoliura. 



C.C. Fronds pinnate; pinnae 3 — 5-jugate. (50) D. Forbesii. 



