I'OI.VI'OIHK.I': — I'nl.VI'ol.ir.M. 1 iM 



sorus oiii' ill cacli sf;,'mciit, laij;)'. .su|)('r(i<'ial, tin- Iouit linlf of tlio segment 

 folded over it until inatuiity. 



Luzon, Cmninij "iOti, Slii-rc: Miniiil Mai ivcli-s, VoftrUnid Jlli; J)avao, 

 \\a)huni UISS, Coprlaiid 100.'). IdHl. 



Ceylnii to Samoa. 



(]:>) P. gracillimum ( opeland. Rliizoine ereepin;,' (»r sulierect, clotiied 

 Willi miiiuti' l)ro\\ii lanceolate scales; fronds in dense ehisters, almost 

 sessile, tiic laij,'er ones 12 cm. long, 4 nun. Inoad, tlaceid, filabrou.s tlirough- 

 out. ])inMatitiil alinnst to tiie laeliis into numerous tine, acute, remote, 

 decurient, ereeto])atent , alternate sei^nients; one vein and one sorus to 

 each segment, the lower half (t( the lamina fohh-d over the sorus. 



Mount Ai)o, 1,800 m., epiphytic on mossy tree trunks, Copeland 1007. 



(14) P. solidum JNIett. Rhizome short, erect, clothed with lanceolate 

 ferruginous scales; stipes clustered, glahrous, to 2 cm. high; frond 8 to 

 15 cm. high. 1 to 2 em. hroad. narrowed from the middle toward hoth 

 enil>. aeiite. ]iinnatili(l down very nearly to the ebeneous rachis into erecto- 

 patent sharply serrate or incised acute segments, coriaceous, glabrous or 

 the lower surface glaucous; main veins of the segments conspicuous, 

 veinlets invisible, simple; sori large, round, costal. A small, relatively 

 narrow form, with short, broadly triangular, almost entire segments is 

 Grawmitix denficulnta Blnme. 



Mount Apo, 1,800 m., Copchiud 1102, 1103. 

 Java. 



(15) P. inconspicuum I'lume. Rhizome short-creeping, clothed witli 

 linear scales; froiuls sessile or nearly so, 10 to 15 cm. high, 1 cm. broad, 

 contracted toward the ends, pinnate; pinnae erecto-patent, entire, coriace- 

 ous, glabrous or glabrescent; veinlets immersed, simple; sori costal. 



Davao, Warburg 14190. 

 Java. 



(16) P. minutum I'dume. Stipes tufted, 4 to 7 cm. high, clothed with 

 soft yellowi.sh hairs; frond 10 to 15 cm. high, 2 cm. broad, narrowed toward 

 the ends, pinnate; pinnae close, erecto-patent, obtuse, crenate, papyraceo- 

 herbaceous, clothed on both sides with soft yellowish hairs; veinlets simple, 

 very short; sori costal, 1 to 3 on each side. 



Luzon, Steere. 

 Ceylon, Malaya. 



(17) P. macrum Copeland. Rhizome short, erect, densely covered with 

 roots, bases of dead stipes and brown scales; fronds crowded, on stipes 1 to 

 2.5 cm. long, the larger ones 25 cm. high, one-tenth as broad, narrowed 

 toward both ends, curved, lax, pinnate; pinna- 1 to 2 mm. broad, rather 

 acute, sinvKite, decurrent, the upper ones conHuent, the lower remote, sub- 

 coriaceous, glabrous; veinlets simple; sori superficial, somewhat elongate, 

 nearer the margin than the costa. 



Mount Apo. Lf..')() ni., epiphytic on ntossy trunks. Copeland lOlfi. 



(18) P. subfalcatum I'.lume. Ithizome short, erect; stipes 1 to 2 cm. 

 high, hairy; fronds about 15 cm. high, 2 to 3.5 cm. broad, narrowed toward 



