﻿854 APPENDIX. §0. AN6I0PTERIS. 



e. Veins beneath pale, opaque. (Zd) A. crassifolia. 

 e.e. Veins beneath black or fuscous. 



f. Pinnulae + cordate at the base on both sides. 



(5e) A. javanica. 



f.f. Pinnulae not cordate at the base; upper base + 



cuneate, lower + rounded. (3/") A. Hartingeana. 



(og) A. angustifolia. 

 c.c.c. Largest pinnulae under 9 m.M. broad. (3A) A. angustata. 



(3t) A. caudata. 

 h.b. Texture rather thin, membranaceous to papyraceous. 



1. Pinnulae white-waxy beneath. [oj) A. hypoleuca. 



1.1. Pinnulae not white-waxy beneath. 



2. Largest pinnulae less than i4 c.M. long. 



3. Pinnulae + equal-sided at the base. (5/r) A. approximata. 

 3.3. Pinnulae distinctly unequal-sided at the base. 

 1. Upper base narrower than the lower. 



(3/) A. aphanosorus. 

 4t.l. Upper base broader than the lower. 



(3m) A. cuspidata. 

 (3n) A. Teysmanniana. 

 2.2. Largest pinnulae more than 14 c.M. long. 



f. Pinnulae at least 20 c.M. long. (3o) A. Willinckii. 

 •i-.-J*. Pinnulae at best 20 c.M. long. 



+. Veins beneath pale or indistinct. 



^. Veins oblique. (op) A. Presliana. 



CSq) A. pallescens. 

 ^.;k. Veins rather subhorizontal. (3r) A. similis. 



(35) A. D'Urvilleana. 

 +.+. Veins beneath fuscous or dark-coloured, distinct. 



(3f) A. microsporangia. 

 (3u) A. ankolana. 

 a.a. Recurrent veinlets wanting or very short, often hardly visible. 

 h'. Texture thin, rather membranaceous or herbaceous. 



c'. Veins pellucid. (ov) A. amboinensis. 



c'.c'. Veins not pellucid. (otu) A. muricata. 



(5a;) A. crassipes. 

 b'.b'. Texture firm, rather charlaceous or coriaceous. (5s) A. uncinata. 



