400 53. DIPLAZIUM. § 1. EUDIPLAZinSI. 



•$>.•{•. Cosl4ie and costulae paleaeeo-asparous. 



(46) D. prionophyllum. 

 a.a.n.u.a. Fronds 3-pinnafe to A-pinnatifid. 



•{>. Tertiary divmons a'enalo-pinnalifid at the base. (47) 0. ceramicum. 

 f .f. Tertiary divisions deeply pinnalifid. (48) D. Huttoni. 



* (1) D. snbserratuni, Moore, Bedd., Handb. Ind. Ferns, 174 ; 

 Ferns Br.I., II, tab. CCLXXXIX; Asplenium subserralum, Bl., Rac, Flor. Biz., 

 I, 220; Hk., Spec. Fil., Ill, tab. CLXIV, B. 



Rhizome short, erect, (after Bedd. creeping & elongated). Stipps firm, 

 erect, naked, 2'/, — 20 cM. long. Fronds 20—50 c.M. long, 1 — 4 c.M. broad, 

 narrowed gradually towards both ends or rounded at the base, the apex 

 acuminate, toothed or bluntly crenate. Texture herbaceous or firm-membra- 

 naceous; surfaces naked; costa slender, firm, prominent, scaly beneath; main 

 veins pinnate with few veins. Son linear, occupying ± */, of the space 

 between the costa and the edge. 



Java, Malacca. 



(2a) D. llerrilli, Copel., Philipp. Journ., II, 128, tab. II, A. 



Rhizome creeping. Stipes clustered, 2 — 3 c.M. long, densely clothed 

 with narrow, horizontal, black-brown scales. Fronds 15 — 23 c.M. long, nar- 

 rowed towards both ends, acuminate, deeply pinnatifid, the sinuses narrow 

 or the lobes often imbricated. Lobes oblong, nearly horizontal, the central 

 ones the largest, ± 1 c.M. broad, the apex rounded, the edge sometimes 

 denticulate. Texture herbaceous; costa densely scaly beneath, but slightly 

 so above; veins forked, minutely scaly beneath; upper surface black-greenish, 

 lower olive-coloured. Sori linear, not reaching the co&tulae. 



Mindoro. 



* (2fe) D. zeylanieum, Moore, C. Ghr., Ind. Fil; D. Ceylanicum, 

 Christ, Frankr. d Erde, 216, fig. 679; Asplenium zeylanicum, Hk., Hk. Bk., 

 Syn. Fil., 230; Hk., 2nd Cent, of Ferns, tab. XVI. 



Rhizome creeping, slightly covered with lanceolate, brownish scales. Stipes 

 erect, firm, scaly, '/» — ^ c.M. apart, to 10 — 20 c.M. long. Fronds 15 — 30 

 c.M. long, 2'/2 — 5 c.M. broad, lanceolate, the apex acuminate, the upper '/4 — 

 % slightly lobed, the lower ^/j — \ more or less deeply lobed to pinnatifid, 

 the base cut down to the rachis into 1 — 4 sessile or subsessile pinnae, with 



