252 4bffl. PTERIS. § 1. EUPTERIS. 



broad at the truncate-cuneate base, deeply pinnatifld, the apex long 

 acuminate, repand. Lobes approximate or subcontiguus, separated by 

 acute or subacute sinuses, to 20 on a side, linear, the largest to 1 cm. 

 long by Vi c™. broad, rounded at the apex, entire or subcrenate, some- 

 what narrowed in the fertile region. Texture chartaceous, subpellucid; 

 upper surface naked, lower white-puberulous ; rachises above stramineous, 

 hairy, beneath brown, giabrescent; costae and costulae above hairy and 

 provided with remote, weak, spine-like projections, beneath giabrescent, 

 when young hairy; veins forked, to 7 on a side. Sori short, placed above 

 the middle of the lobes, 1 on each side. 

 NeiD Guinea. 



% 2. CAMPTERIA. 



(38) P(. l^alliehiana, Agm-dh. 



Ultimate lobes sometimes provided with a single basal costular areola 

 besides the costal ones. 

 Also in NeiD Chiinea. 



§ 3. LITOBROCHIA. 



(40a) Pt. 11^ai*l>ui*g'ii, Cltrist; PL finisterrae, Rst., in Fed., Rep. 

 V, 87, 376. 



(406) Pt. finisterrae, Rst. 



Omit this species, it being referred to the preceding. 



46. F»-A.ESI^^, St. Bilaive. 



(3) P. luzonica. Christ, in Phillpp. Journ., IIF, 275. 



Differs from P. rugulosa Kuhn in having the fronds much smaller, 

 with the main rachis fulvous-stramineous, very flexuose, clothed with 

 flexuose, white hairs, asperulous, the pinnae distant, elongate, flexuose, 

 up to 18 cm. long, caudate, the ultimate pinnulae_± 5 mm. long, when 



