﻿408 53. DIPLAZIUM. § 1. EUDIPLAZIUM. 



jugate, spreading, the highest ones the shortest, the lower ones the largest, 

 short-stalked, broadly lanceolate, + 5 c.M. apart, + 2 c.M. broad, cordate to 

 truncate at the base, the upper base auriculate to hastate, the apex acute to 

 acuminate, the edge regularly bat slightly crenate to serrate. Texture firm, 

 chartaceous or subcoriaceous ; surfaces naked; costae distinct; veins 2 — 3-jugate, 

 inconspicuous. Sori + 25 on each side of the costa, ± 1 c.M. long, only 

 double near the margin. 

 Borneo. 



* (22) D. liObbianum, Moored C. Chr., Ind. Fil. ; Asplenium 

 Lobbianum, Ilk., Spec. Fil., Ill, 244; 2'"i Cent, of Perns, tab. XVII. 



Rhizome suberect, clothed with black, subulate scales. Stipes approximate 

 or subtufled, 15 — 50 c.M. long, scaly at the base. Fronds oblong-ovate, 20 — 45 

 c.M. long, with a pinnafifid apex and to 20 or more pinnae on each side. 

 Pinnae subhorizontal, linear-oblong or lanceolate-oblong, 7 7^ — 15 c.M. long, 

 2 — 4 c.M. broad, stalked, subfalcate, acuminate, the edge more or less serrate, 

 the base + truncate and subauriculate. Texture thinly coriaceous; surfaces 

 naked; veins 2 — 3X forked. Sori not reaching the margin or the midrib. 



Java, Philippines, New Guinea. 



* (23) D. japonieuin, Medd., Christ, Farnkr. d. Erde, 218; 

 B. decussatum, Bedd., Ferns Br.I., II, tab. CCXCII ; Asplenium japonicum, Thb., 

 Hk. Bk., Syn. Fil., 234. 



Rhizome slender, wide-creeping. Stipes 15 — 30 c.M. long, stramineous 

 or brownish, slightly scaly towards the base. Fronds 20 —35 c.M. long, 

 10 — 15 c.M. broad, ovate-lanceolate to subdeltoid. Terminal pinna pinnatifid, 

 narrowed gradually towards the point ; lateral pinnae 8 — 10 on each side, rather 

 distant, to 2'/^ c.M. broad, short-acuminate, cut down in the lower part ^/j 

 of the way to the costa, the base broadly ciineate or subtruncate. Lobes 

 oblong, rounded or bluntish, slightly toothed, approximate. Texture herbaceous; 

 surfaces slightly hairy; rachis ± naked; veins 4 — 6 on each side in the 

 lower lobes. Sori short, not reaching the margin. 



Trap. Asia, China, Japan. 



(24) D. shepherdioideii, C. Citr., Ind. Fil.; Asplenium shep- 

 herdioides, Bk., Ann. of Bot., VIII, 126. 



Stipes 20 — 25 c.M. long, slender, green, naked. Fronds oblong-lanceolate, 

 30 c.M. and more long, 2-pinnalifid; surfaces naked; rachis slender, green, 



