»J 



450 S4. 4.THYRIUM. 



moderately approximate, petiolate, the lower distant, rhomboid-ovate, unequ 

 sided, lobed, acute, the lower side cuneately cut away, the upper side ai 

 culate; lowest pinnae + S'/j c.M. long, + a'/j c.M. broad at the base. Lo 

 oblique, oblong, obtuse, + 7 on each side, denticulate, the lower shallow 

 lobed again, the lowest deeply incised and sometimes free like the auri( 

 Texture, thin ; surfaces naked like the rachis ; colour dark-green ; veins pinp 

 in the lobes, Sori scattered, numerous, 3 — 7 to a lobe, ovate or roundi 

 indusium reniform. 

 Luzon ; Yunnan. 



(3*^ — A ' , toensneten s c, Ohvi» * , Philipp) Journi. II, I6i i 



Rhizome creeping or oblique, slender, black. .Stipes approxiraatg<^ 

 slender, stramineous, 25 c.M. or more long, the base clothed with^cattei 

 lanceolate, brown scales. Fronds lanceolate, + 30 c.M. long<^ 9 c.M. bro 

 2-piDnatifid, not narrowed at the base. Pinnae sessile^^'S^eading, remote, 

 g ' 25 below the pinnatifid apex, the lowest subdeflejMJlir + 5 c.M. long, + ] 



§ c.M. broad, lanceolate, acuminate, pinnatiM/lIearly to the costa. Lobes s 



S pectinate, + 18 on each side, line3*<^long, + a'/j m.M. broad, blunti 



^ entire or subcrenate. Texlur^/llaccid ; rachis and costae stramineo 



g puberulous; surfaces nake^.^^olour black-green; veins simple, oblique, 



6 — 8 on each side^^^,,S(5ri medial, 6 — 8 on each side, roundish, hardlj 

 m.i\I. broad; indjisfuin thin, hyaline, roundish-reniform, indistinctly umbona 

 caducous. -ji^^By its nephrodioid sori a Dryopleris, but in all other respe 

 a tru^^^lftbyrium. 



Lueont , — .— ■ I 



(3c) A. Copelandi, Christ, Philipp. Journ., II, 161. 



Rhizome branched, short-creeping, blackish. Stipes + 9 c.M. long, pk 

 beo-stramineous, furfuraceo-squamulose like the racliis, the base sparin 

 clothed with brown, lanceolate-subulate scales. Fronds oblong, ± 14 c 

 long, ± 6 c.M. broad, long-acuminate, not narrowed at the base, the rac 

 winged towards the apex. Pinnae sessile, -+ 15 on each side, falcate, 

 higher ones adnate, decurrent, the lower remote, coarsely lobed, ± 3 c 

 long, ± 1 c.M. broad. Lobes + 6 on each side, the lowest anterior larg( 

 triangular-ovate, + 4 m.M. long, 5 m.M. broad, subacute, subcrenate. T 

 ture coriaceous; surfaces naked; colour black-green, paler beneath, m 

 veins pinnate in the lobes with 3 -4 veins on each side, all sorifero 



