APPENDIX. 36. TAPEINIDIUM. 509 



(3) T. biscrratiiin, v. A. v. it.,- T. cjracile, v. A. v. E., Mai. Ferns, 

 315; T. pinnatimi^ C. Chr., var., C. Chr., Ind. Fil. ; Microlepia pimiata., J. 

 Sm., var. gracilis^ Copel., Polypod. Philipp., 55; M. pinnata, J. Sm., 

 var. Lusonica, Bedd., Handb. Ind. Ferns, SuppL, 15; Wibelia gracilis, 

 Christ (not BL), in Ann. Btz., XV, 154; Davallia biserrata <& gracilis, 

 BL, Enum., 232—233; D. Luzonica, Hk., Spec. Fil., I, tab. LX, fig. 235. 



Forma typica (T. gracile, v. A. v. B., forma grandideniata) : Fronds 

 simply pinnate; pinnae linear, ± 5—15 mm. broad, at least the lower 

 coarsely serrate to toothed or subpinnatifid, the teeth broadly and obliquely 

 deltoid, acute and entire or blunt and 2-serrulate, the lobules short, 

 oblique, obtuse or truncate, subentire, emarginato-2-denticulate or crenulate. 



Forma gracilis (T. gracile. v. A. v. B., forma dissectaj: Fronds 

 pinnate; pinnae + 2 — 5 cm. bi'oad, at least the lower deeply pinnatifid 

 nearly to the costa or pinnate again ; secondary segments (lobes or leaflets) 

 oblong to linear-lanceolate, entire to obliquely toothed, adnate, decurrent 

 or cuneate at the base. 



Malaya. 



(4) T. aiuboiiiciise, C. Chr.; T. gracile, v, A. v. B., forma 

 clecomposita, v. A. v. R., Mai. Ferns, SuppL, 234; Wibelia pinnata, Fee 

 (not Bernh.) var. gracilis, Christ, in Schum. & Laut., Flor. deut. Sch.geb., 

 SuppL, 40. 



Tertiary segments (lobes or leaflets) narrowly hnear or linear-lanceol- 

 ate, entire to serrate or toothed. 



3r- Ar>i.^iNTU]\i, itf»f»^. 



§ 1. EU-ADIANTUM. 



(5c) A. Itobnisonii, »• A. r. R., in Philipp. Journ., XI*^, 110. 



Rhizome short, densely clothed with narrowly linear-subulate, pale- 

 rufo-fuscous scales. Stipes approximate, black-brown, naked, glossy, as 

 are the rachises, scaly and finally roughish towards the base. Fronds 

 about 10 — 15 cm. long, to 12 cm. bread, pinnate with 1 — 2 branches on 

 a side below the terminal one. Leaflets approximate, shortly and finely 

 petiolulate, dimidiate-oblong, 1 — 1% cm. long, to ■■"/,, cm. broad, rounded 

 at the apex, the upper and outer edge serrulate or slightly 2-lobate and 



