— 151 — 



Var. sumatrana: Stipites frondium fertilium iisque ad 50 cm. 

 loiigi; pinna termiiialis frondium sterilium usque ad 5 cm. lata; pinnae 

 latérales 3 utrinque, oblongae, ± horizontales, basi truncatae vel cuneato- 

 truncatae; pinnae frondium fertilium conspicue contractae; sorj demum 

 subacrostichoidei, indusio persistenti, distincte, puberulo. — 5//mflf/'fl (5^/7^- 

 koelen, Lebon/j landai, C. J. Brooks No. 157/S). 



\^Dryopteris sagittifolia (Bl.), 0. Ktze, Rev. Gen. PL, il, 813; 

 V. A. V. R., Ferns, 222; Supplem. 1, 182; /4sp/cf/Hm sao^/Y^ae/o/Zw/n, S/., Enum. 

 PI. Jav., 11, 153. 



Also in Sumatra {Benkoelen, Tambang Sawah, C. J. Brooks No. 450/'S). 



■ Dryopteris stipellata (Bl.), O. Ktze, Rev. Gen. PL, II, 813; v. A. 

 V. R., Mal. Ferns, 227; Aspidiiim stipellatum, Bl., Enum. Plant., Jav., II, 152. 

 Forma typica: Pinnae moderately long-acuminate, 



Var. obtusata: Pinnae inferiores breviter et obtusse acuminatae, 

 infimae saepe obtus\ss\m âe. — Sumatra {Bengkoelen, C. J. Brooks, Lebong 

 faiidai No. 277/S, Tambang Sawah No. 449/S). 



Dryopteris subfalcinella, v. A. v. R. 



Nephrodium. - Rhizoma brève; squamae lanceolato-subulatae, fuscae, 

 juvéniles copiose setulosae et ciliolatae. Stipites approximati, 60—90 cm. 

 long!, fusci, dense, bieviter, graciliter puberuli, glabrescentes. Frondes ovato- 

 lanceolatae, ± 70 cm. longae, apice relative abrupte acuminatae, rachide 

 stipitis more puberula. Pinnae papyraceo-herbaceae, supra ubique copiose, 

 (ad costas dense) breviter puberulae, subtus ad costas, costulas, venasque 

 graciliter, breviter villosae, inter venas glabrescentes (decidue glandulosae 

 vel minutissime puberulae); pinna terminalis elongato-deltoidea, basin 

 versus sensim profunde pinnatifida; pinnae latérales copiosae, saepe ± fal- 

 catae; pinnae superiores approximatae, ascendentes, sessiles, basi truncata 

 latissimae; pinnae inferiores remotae, subhorizontales vel patentes, breviter 

 petiolulatae; pinnae inframediales maximae, 15— 20 cm. longae, infra mediam 

 partem 2V4— 3 cm. latae, fertiles quam stériles pauUo minores, apice sensim 

 acuminatae, subintegerrimae, margine costam versus ± V3— '/2 incisae, 

 basi lobis infimis ± obliteratis abrupte rotundato-contractae; pinnae infimae 

 non raro plus minuse abbreviatae vel reductae et basi cuneatae. Lobi 

 subfalcato-oblongi, ± 4 mm. lati, stériles coiiferti, fertiles subremoti, obtusi, 

 integerrimi, decidue appresso-ciliolati; venae usque ad ± 10 utrinque, 

 1 — 2 infimae anastomosantes. Sori numéros!, superiores costulas approxim- 

 ati, inferiores sensim remoti, infimi turmarum contiguarum approximati 

 vel confluentes; indusium persistens, copiose breviter setulosum; sporae 

 spinulis brevissimis, gracilibus echinatae, 



Forest; ait. 1000—1500 m. 



Sumatra (J. A. Lôrzing, Bandar-baroe No. 5338, 13 October 1917; 

 Sibajak No. 5974, 28 August 1918; H. A. B. Bunnemeijer, Mt. Malintang 

 No. 4169, 31 July 1918). 



