﻿83. DIPLAZIUM. § 1. EUDIPLAZIUM. 417 



largest to 18 c.M. long, to ± 3 c.M. broad at the base, linear-laLceolate, the 

 point acute or acuminate, the edge lobed, and crenate or toothed, the base 

 truncate or rounded. Texture subcoriaceous; rachis naked; main veins pinnate 

 in the lobes with l> — 8 veins on each side. Sori linear, the lowest much the 

 longest, not reaching the edge. — A variable plant. 

 Trop. Asia, Polynesia Sf Australia, China. 



{51b) O. dolichosorum, CopeL, Phdipp. Journ., I, Suppl., ISl. 



Rhizome strong, clothed with long, black-brown scales. Stipes close, + 

 35 c.M. long, clothed with fuscous, linear, contorted scales, the upper part 

 subglabrescent, at length sparingly muricate. Fronds ovate, 1 — 1^2 M. long, 

 2-pinnate, the apex pinnatifid, the main rachis glabrescent, sometimes asperulous. 

 Pinnae remote, the largest + 45 c.M. long, + 20 c.M. broad, the lowest shorter. 

 Pinnulae short-stalked, ± 2 c.M. broad, subfalcate, acuminate, the base truncate, 

 the edges lobed + ^js-wsij down in the lower part, the apex serrate. Lobes 

 truncate, denticulate. Texture papyraceous; surfaces naked; veins + 6 on each 

 side of the main veins, the lower ones curved. Sori linear. 



Mindanao. 



(38) D. manllense, C. Chr., Ind. Fil.; Asplenium serrulatum, Pr., 

 Rel. Haenk., 1, 46; A. manilense, Spr., Syst., IV, 89. 



Fronds ovate, ± 45 c.M. long, 2-pinnate; main rachis tetragonal, clothed 

 with small, ovate, fuscous, membranaceous scales. Pinnae distant, alternate, 

 petiolate, pinnate, the apex pinnatifid, acuminate; central pinnae + IS'/jC.M. 

 long, the rachises scaly like the main one. Pinnulae spreading, sessile, lanceolate- 

 oblong, 2^/2 — 4 c.M. long, 1 — 1 V4 c.M. broad, acuminate, the base truncate on both 

 sides, the highest ones entire, the central ones serrate with the serratures 2-denti- 

 culate, obtuse, the lowest largest, serrulate. Texture membranaceous; surfaces 

 naked ; veins simply branched. Sori long, naiTOw, double ; indusium diaphanous. 

 Philippines. 



(39) D. veiStiCum, JPr., Copel., Polypod. Philipp., 75 ; Asplenium ves- 

 (Hum, Hk. (not Pr.), Hk. Bk., Syn. Fil., 239; Hk., S^d Cent, of Ferns, tab. XLVI. 



Rhizome erect. Stipes stout, erect, brownish, tomentose, sometimes muri- 

 cate. Fronds 60 — 90 c.M. long, 20 — 45 c.M. broad, with numerous pinnae 

 on each side, the lower ones 10 — 25 c.M. long, to 10 c.M. broad, with num- 

 erous, distinct, subsessile pinnulae, which are ± 2 '/^ c.M. broad, blunt, bluntly 

 lobed to a depth of 3 — 6 m.M., the base narrowed suddenly or even cordate. 



FiLIGES. 27 



