260 ME. H. N. EIDLEY ON PLANTS 



POLYPODIUM CARSTBNSZENSE, Ridl., sp. nOV. 



Rhizonia sqiiamis tenuibus lanceolatis acuminatis pallide brunnescentibus tectum. 

 Frondes simplices, petiolatae, petiolis teretibus pubesceutibus 7-8 cm. longis 

 gracilibus; lamina linearis, acuminata, basi cuueata, subcoriacea, mai-giue superne 

 undulata, basin versus breviter lobata lobis obtusis latis, 20 cm. longa, 1'5 cm. 

 lata, nervis circiter 80 vindulatis, nervulis 6 brevibus. SoH elliptici, parvi, sub- 

 immersi, 6 cum quoque nervo in apicibus nervulorum orti. 



Camps XI to XIV, 8300 to 10,500 ft. 



Allied to P. sumatranum, Baker, differing in tbe distinctly lobed fronds and flexuous 

 nerves. 



POLYPODIUM PETIOLATUM, Ridl., Sp. noV. 



Bhizoma gracile, squamis lanceolatis acuminatis argenteis tectum. Frondes simplices, 

 petiolatse, petiolis glabris canaliculatis gracilibus 4-8 cm. longis; lamina oblanceolata, 

 basi attenuata, coriacea, 12 cm. longa, 1-5-1-8 cm. lata, margine recurvo obscure 

 undulate nee lobato, nervis pluribus gracilibus rectis, nervulis obscuris brevibus 6 

 in utroque nervo. Sori orbiculares, majusculi, in apicibus nervulorum juxta 

 nervum orti. 



Camps IX to X, 5500 to 6700 ft. 



Allied to the last species, but with different scales on the rhizome, a glabrous 

 channelled petiole and straight nerves, shorter nervules and larger sori, wliich are 

 elevated on the upper surface. 



POLYPODIUM StanletantjM, Baker, in Journ. Bot. xxviii. (1890) 107. 

 Camps XIII to XIV, 10,500 to 12,500 ft. 

 Distrib. Endemic in New Guinea. 



POLTPODIUM PAPUANUM, Hidl., Sp. nOV. 



Eerba parva, caspitosa, 5 cm. alta. Frondes sessiles, lineares, angustse, 1 mm. latae, 

 paullo acuminatse, obtusse, versus basin paullo attenuatse, subcoriacea?, pilis atris 

 panels munitoe, costa elevata, nervis celatis. Sori in apice copiosi, elliptici, primo 

 distantes, mox congesti, laminam tegentes. 



Camp III, 2500 ft. 



Allied to P. universe, Baker, but less coriaceous and less hairy, with many more sori. 



POLYPODIUM BISERIALE, Bidl., Sp. noV. 



Serba ceespitosa, rhizomate squamis ovatis obtusis brunneis tecto. Frondes integrae, 

 lanceolatEe, aeuminatse, glabrae, versus basin attenuatae, marginibus undulatis, 

 14 cm. longte, 4-5 cm. lata>, pilis brevissimis atris dissitis, nervis obscuris undulatis 

 simplicibus, stipitibus gracilibus teretibus pubesceutibus. Sori rotundi, prope 

 costam a margine remoti, 1 mm. lati, 2-4-ni in lineas transversas dispositi. 



Camps VIII to IX, 4900 to 5500 ft. 



