﻿466 S5. ASPLENIUM. § 3. EU-ASPLENIUM. 



commonly once forked. Sori reaching nearly from the midrib to the edge, 

 sometimes accompanied by smaller ones, which are ± terminal on the 

 veins, sometimes + scolopendrioid. — United with A. macrophyllum, Sw. by 

 intermediate forms, but distinguished by the indistinct, hardly visible veins. 

 Malacca, Sumatra, Java, Borneo. 



* (59) A. heterocariSEBSBs, Wall., Hk. Bk., Syn. Fil., 210; Hk., 

 Spec. Fil., Ill, tab. CLXXV; Bedd., Ferns S.I., tab. CXXXI; A. cheilosonm, 

 Kze, Mett., Farng., VI, Aspl., tab. V, fig. 12—13; C. Chr., Ind. Fil. 



Rhizome creeping, scaly at the apex. Stipes firm, erect, brown, polished. 

 Fronds IS — 40 c.M. long, 372 — S c.M. broad, with numerous closely placed 

 pinnae on each side. Pinnae horizontal, subsessile, ± '/j — ^/s •^•M- broad, 

 dimidiate, the lower side being entirely cut away, the upper and outer edge 

 deeply incised, the crenations crenate or toothed again, the upper base nearly 

 truncate; lower pinnae hardly shorter and more or less deflexed. Texture 

 pellucido-herbaceous ; rachis like the stipe. Sori 1 or rarely 2 togelher in 

 the teeth. 



Malacca, Borneo, Mindoro; Formosa, North. India. 



* (60a) A. us&iiatc''rale, £a»»., Bedd., Handb. Ind. Perns, lo2; 

 A. reseclum, Sm., Rac, Flor. Btz., I, 214; Hk. & Grev., Ic. Fil., tab. CXIV; 

 Bedd., Ferns, S.I., tab. CXXXIl; A. amoenum, Pr., Mett., Farng., VI, Aspl., 

 tab. V, fig. 11; — var. delicatulum, Bedd., Handb. Ind. Ferns, 153; Ferns 

 S.Br.L, Suppl., tab. CCCLVHI. 



Rhizome slender, wide-creeping, the scales small, nearly linear. Stipes 

 scattered, 1— 2 c.M. apart, slender, naked, dark-coloured, ± black-brown and 

 polished like the rachis, some of them sometimes grey and opaque, 10 — 20 

 c.M. long. Fronds 15 — 60 c.M. long, 4 — 10 c.M. broad, rarely narrower, 

 lanceolate-oblong, acute to long-acuminate. Pinnae stalked or subsessile, 10 — 50 

 on each side, trapezoid-lanccolate, horizontal or erecto-patent, the apex blunt- 

 ish or acute, the upper and outer edge inciso-crenate to dentate, the upper 

 base ± cuneato-subtruncate, V, — V3 of the lower side cut away at the base. 

 Texture thinly herbaceous; veins 1 — 2X forked. Sori oblong, occupying the 

 base or the centre of the veinlels. 



War. clelicatuliim : Fronds and pinnae much smaller and narrower 

 than in the type, the pinnae less cut away at the base on the lower side. 



Trop. Asia, Japan, Polynesia, West. Africa and East African Islands; — 

 var. delicatulum: Malacca; Tenasserim. 



