836 APPENDIX. " 90. AHIGOPTERIS; 



cordate or truncate; largest pinnulae ± 15 — 17'/^ c.M long, + 1 '/4 — I'/j 

 c.M. broad; under surface paler iitJEfllsHF than the upper; costa clothed to- 

 wards the base beneath with scattered, chaffy, hair-like or filiform, cadacous 

 scales ; veins close, subhorizontal, generally blackish or fuscous, pellucid ; recur- 

 rent veinlets often very pellucid ; sori intramarginal, rather close, consisting of 

 ± 6 — 12, mostly 9 capsules. — Java, Sumatra. 



{Zf) A. Hartingeana, de rr., 1. c, 25. 



Pinnulae petiolulate, linear-lanceolate, acuminate; upper base + cuneate, 

 lower + rounded; largest pinnulae + 15 c.M. long, + 1 c.M. broad; 

 colour black-green above; costa and veins black; recurrent veinlets pellucid; 

 sori slightly remote from the margin, contiguous, consisting of 10 — 18 cap- 

 sules. — Java. . 



{og) A. angustifolia, JPr., 1. c, 21 ; de Vr, 1. c. 18. 

 Piunulae subsessile. narrowly linear, long-acuminate; upper base + cuneate, 

 lower ± rounded; largest pinnulae + 15 c.M. long, + 1^/4 c.M. broad: 

 colour above deep-green, beneath pale-green; costa rather deciduously, spa- 

 ringly and minutely setaceo-paleaceous beneath; veins close, slender, nearly 

 horizontal, fuscous beneath, subtransparent; recurrent veinlets long, pellucid 

 or opaque; sori often contiguous, remote from the margin, consisting of ± 

 5 — 12 capsules. — Lusiftij Mindah(i6i^ \i^fetW»- iGAjniak c ('. *_X<_ ^ ■'U Tt i u-^ _ i/ 



{oh) A. ang;nstata, sUq., de Vr., 1. c, 26. 



Pinnulae short-stalked, linear, acute, the base slightly cordate, subinequi- 

 lateral; central pinnulae 10—12 c.M. long, + 6—9 m.M. broad; under surface 

 pale; costa beneath fuscous; veins opaque; sori contiguous, + marginal, 

 consisting of ± 6 — 8 capsules. — Java. 



(3t) A. candata, de Tr., 1. c, 20. 



Pinnulae approximate, stalked, linear, caudato-acuminate, the base unequally 

 subcordate, the lower base the broadest; largest pinnulae + 16'/^ c.M. long, + 

 5—8 m.M. broad; upper surface dark-green, lower fuscous, rather woolly on 

 the costa and in the lower part; veins beneath fuscous, opaque, rather hori- 

 zontal; recurrent veinlets long, reaching + the costa; sori contiguous, sub- 

 remote from the margin; consisting of ± 9—18 capsules. — Philippines; 

 Bismarck Islands. 



{of) A. hypoleaca, de Vw., I.e., 21. 



