ASriDIE.i: — GYMNOl'TKKIS. 43 



stipe of sterile fioiul 5 to 20 cm. liij,'li, of fertile 20 to 4it em., scaly or 

 glabrescent; sterile frond simple, or with 1 to 3 pairs of piiinu', the 

 terminal one lanceolate, entire, repand or siiliserrale, often elongate and 

 rooting, lateral ones more or less reduced, herliaceous, glai)rous: main veins 

 distinct, areohe of various forms, with few or no included vcinlets; fertile 

 fronds usually trifoliate or pinnate, .! to Id cm. long, lanceolate. This 

 species is well distinguished from tlie i)receding l>y the venation and the 

 longer, more slender rhi/.ome. This species includes I'oerilnpliris hftrrn- 

 clita Presl ami /'. ilirnsifitlid I'resl. 



Isabela-Luzon, Warbin;) IKIO.S; •.Manila," Haenkc, Cuming 32; Sorsogon, 

 Ilaenkc, linranda ; Davao, Copcland 071, 7.")2. 950. 



India and Malaya. 



(S) G. subrepanda (Hooker) J. Sm. Rhizome w<^ody, wide-creeping; 

 stipe 15 to 30 (111. liigh, stout, erect, nearly naked; sterile frnnd simple 

 and 30 cm. long hy 3 to 5 cm. hroad, or pinnsite, and 00 cm. long hy 30 

 cm. broad, with several pairs of linear-oblong, entire or subrepand pinnfP, 

 subcoriaceous. glabrous; main veins distinct nearly to margin; areola; and 

 included vcinlets copious; fertile frond like the sterile, but smaller. 



Luzon, Cuming 225; Isabela-Luzon. ^Vln■hlll■g 11022. 



Penang. 



(9) G. repanda (Blume) Christ. Rhizome creeping; stipe 15 to 30 

 cm. high, that of the sterile frond usually the longer, naked; sterile frond 

 30 to 00 cm. long, 20 to 30 cm. broad, sometimes elongate and rooting, 

 with numerous pinnie on each side, the lower ones 10 to 15 cm. long, 

 2 cm. broad, cut one-fourth of the way to the costa into entire, obtuse lobes, 

 herbaceous, glabrous; main veins distinct, areolfe copious, without free 

 veinlets; fertile pinna' much sinaller, stalked, entire or repand. Achrosti- 

 chum Quoyanuin (Jaud. is a fcuin with tlie lobes deeper and toothed. This 

 species is construed as including also Poecilopferis fiinuofta Presl, lletc- 

 roncuron arguttim F^e, and Heteroneurum cuspidafum Presl. 



Luzon, Cuming 104. 105, 101; Sorsogon, Haenke; Leyte, Cuming 204. 



Java to China and Polynesia. 



(101 G. inconstans Copeland. Rhizome creeping, scaly; stipe of sterile 

 frond 1 to 3 cm. high, of fertile 3 to 10 cm., filiform, erect, green, glabrous 

 or scaly below; sterile frond 4 to 8 cm. or more long, usually pinnate, 

 linear to ovate in form, membranaceous, glabrous, the terminal pinna 

 usually elongate, linear, proliferous; lateral pinn;p 2 to ])airs. lanceolate 

 to orbicular in form, usually entire, sessile, somewhat decurrent ; veins 

 inconspicuous, forming few areolae, without included veinlets; fertile frond 

 linear, with 2 to 4 pairs of round or oblong remote pinna' 1 to 4 nun. 

 long, the lowest sometimes stalked, with few or no veins beside the costa. 



Lamao Forest Reserve. Luzon. Cnprlnnd 251, Merrill 31 2S. 



Completely covering l)owlders in beds of streams. 



(Ill G. contaminans (Wall.) Bedd. Rhizome short-creeping, thick; 

 stipe 30 to 40 cm. high, glabrescent; sterile frond 30 to 60 cm. high, 

 ovate; pinnnp 10 or more on each side, alternate, sessile or short-stalked, 

 lanceolate, acute, entire, crenate or pinnatifid; terminal pinna commonly 



