28 2. HEMITELIA. § 2. AMPHICOSMIA. 



I w i e nr filifopm oogmonto. — Frondo ' amplo, 2 — 5 pinnato. — Pinnao potiolatc, ovata 

 oblong. Pinnulae subsessile, 5—7 % c.M. long, 1 '/j— 2 c.M. broad, oblojig, 

 acuminate, deeply pinnatifid or pinnate again. Ultimate segments linear-oMong, 

 acute, strongly serrate. Texture membranaceo-papyraceous ; rachises an^costae 

 clothed beneath with scattered, deciduous, bullate scales ; veins sinafple, 1 to 

 each serrature. Sori frequently solitary at the base of the ultimate segments, 

 rarely 3 — 4; receptacle large, prominent; indusium brown, fin^iate. 

 Java, South. Africa, Braxilfi. - / 



» (3) H. .Imighnhiiiana, metf., Rac, Flo/ Btz., I, 38 ; Also- 

 phila Junghuhniam, Kze, Bot. Zeit., 4848, 284; — vai/dissoluta, Rac, 1. c. 



Stipes aculeate at the base. Fronds 'S-pinnalifid or 3-pinnate; main 

 rachis deciduously tomentose. Pinnae lanceolate-ojnohg, to + 60 c.M. long. 

 Pinnulae sessile or subsessile, 5 — 10 c.M. lonsf + IV2 c M. broad, linear- 

 lanceolate, acuminate. Ultimate segments free/or slightly joined at the base, 

 2 — 5 m.M. broad, linear-oblong, straight or sidffalcale, blunlish, the edge crenate, 

 toothed or lobod. Texture membranaceoua/to chartaceous; secondary rachises 

 tomentose; colour deep-green above, pale? beneath ; under surface + hairy or 

 scaly on the costae and costulae, the/scales mostly deciduous; upper surface 

 naked or hairy on the costae; veins 6 — 9 on each side, forked, the highest 

 simple. Sori 1 — 4 on each side, /ccupying the lower veins, + costular. 



Tar. difssoluta: Ultimate segments 1 — 5 m.M. apart. 



Java, Sumatra. / 



* (4) H. suinatmtna, ». A. e. R. 



Fronds 3-pinnatifid/sub-3-pinnate ; main and secondary rachises muricate 

 with numerous, short/sharp, dark-tipped warts, densely but rather deciduously 

 furfuraceo-tomentoso' and purveyed with many, deciduous, linear, spreading 

 scales, the maiii/one rough between the warts. Pinnae + S5 c M. long, 

 stalked. Pinnulae linear-lanceolate, short-acuminate, 8 — 12 c.M. long, + 2 

 c.M. broad, yfleeply pinnatifid, pinnate at the base. Ultimate segments linear- 

 oblong, supcute, + 2' 2 m.M. broad, the lower ones free, the edge + crenato- 

 dentate. /Texture chartaceous, fragile when dry; colour dark above, paler 

 beneajfi ; upper surface piloso-tomentose on the costae (tertiary rachises), under 

 one/densely scaly on the costae and costulae; veins 1 — 2 X forked. Sori 

 1^4 on each side, subcostular, occupying the lower veins, densely mixed with 



tas, fimbriate scales; indusium brown. 



■ ' Smaatm, (Toyomann, Wo. 2 4 50). — ■ 



