l'(»LVl'<(Itli;.i: — I'OLVlMtDH M. 1 -J/) 



on oiicli side of the costa. about midway between it and tlie margin; rim of 

 cavity project iiifj but not overarch infj. 



Mount M;i jiiyjny, epiphytic on tree tiimks, fitcere. 



(23) P. subobliquatum t'lirist, Hull. Herb. Boiss. 6(1898) :107. Khi 

 zome short-creeping, sparsely scaly; stipe 1 to 2 cm. higli, l)esct with very 

 short ciiuuimoncolori'd liairs; frond 10 to 1.^ cm. liigh, 2 cm. broad, oblong- 

 lancoohitc; pimia; obtuse, alternate with broad bases, remote, reduced toward 

 the ends of the frond, 2 mm. broad, coriacous, rufescent, glabrous; veinlets 

 oblique, simple, inconspicuous; sori 4 to (i on eacli side of costa, ovate, 

 scarcely immersed, midway between costa and margin, rim of cavity plane, 

 not at all crater i form. 



Mount Mariveles, 1,420 m., Loher. This fern must he rare, as our ricli 

 collections from its type locality contain no representative of the group 

 without more or h-^s crnteriform rim around the sorus. 



(24) P. papillosum Blume. Kliizome wide-creeping, subscaly; stipes 8 

 to 20 cm. Iiigh, firm, erect, almost glabrous; frond 30 to 50 cm. long, 4 to 

 6 cm. broad, drooping, abruptly acuminate, pinnate, lower pinnae not 

 reduced; pinna? close, horizontal, about 4 mm. broad, obtuse, serrate toward 

 the apex, herbaceous, glabrous; veinlets evident, forked; sori nearer the 

 margin than tlie costa, round, so immersed that they project, often more 

 than 1 mm. from the upper surface. 



Luzon, Cuming 185; Nueva Vizcaya, Merrill 342; Sorsogon, Baranda; 

 Davao, Copeland 972, 982, 1277. 

 Malaya. 



(25) P. Leys!! Baker. .Tourn. Bot. 17 (1879), p. 6G. 

 Sulu Arcliipclago, Burbidgc. Description not available. 



§ Goniophlebium. 



(20) P. nummularium Mett. Kliizome wide-creeping, slender, clothed 

 with linear subulate, ferruginous scales; stipes scattered, of sterile frond 

 short, of fertile 6 to 10 cm. high; fronds dimorphous, entire, the sterile 

 suborbicular, scarcely 2 cm. long, the fertile G to 10 cm. long and narrowly 

 linear, both coriaceous, glabrous; veins immersed, obscure, anastomosing 

 to form a regular series of triangular and rhomboidal areola;; sori in a 

 single series, round, superficial, but their position marked on the upper 

 surface of the frond. 



Jala-Jala, Rizal. Mrucn; Laguna, Cuming 121. 



(27) P. verrucosum Wall. Stipes 40 to 60 cm. high, glabrous, erect, 

 terete; frond 30 to 120 cm. high, 30 cm. broad, pinnate; pinnae numerous, 

 15 to 20 cm. long, about 2 cm. broad, entire, coriaceous, glabrous or nearly 

 so; veins forming several rows of areola^; sori confined to the costal areolfe, 

 immersed so as to form distinct papilla; on the upper surface. 



Sorsogon and Bataan Island, Baranda ; Davao, Warburg 14155. 



Malacca to northern Aust iMli;i. 



P. (Goniophlebium) phlebodioides Copeland (ined.) is a still larger 

 fern with the bases of the pinihT acute, and mostly three rows of areola;, 

 diflfering from P. verrucosum in tliat the pinnte are broadly serrate. 



Mount Apo. 



