466 55. ASPLENIUM. § 3. EH-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. niacrophyllum, Sw. by 

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

 Malacca, Sumatra, Java, Borneo. 



* (59) A. heterocarpum, WaU., Hk. Bk., Syn; Fil., 210; Hk., 

 Spec. PH., ni, tab. CLXXV; Bedd., Ferns S.I., tab. CXXXI; A. cheilosorum, 

 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 15 — 40 c.M. long, o'^ — S c.M. broad, with numerous closely placed 

 pinnae on each side. Pinnae horizontal, subsessile, + '/j — ^/j c.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 together in 

 the teetL 



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



• (60a) A. unilatcrale, -Kom., Bedd., Handb. Ind. Ferns, 132; 

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

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

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

 S.Br.I., Suppl., tab. CCCLVUI. 



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 jong-acuminate. Pinnae stalked or subsessile, 10—50 

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

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

 base + cuneato-subtruncate, Vj- 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. ~/=- rather cuneate ■< 



tar. delicatulum : Fronds and pinnae much, smaller and narrower 

 than in the type, the pinnae loss c^away -at the base on the lower side. 



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

 vai". delicatulum: Malacca; Tenasserim. 



