262 MR. H. N. RIDLEY ON PLANTS 
PoLyPODIUM TENUISECTUM, Blume, Enum. PI. Jav. ii. 134. 
Camps III to VIII and Camp VII, from Camps IX to XI, 2500 to 8300 ft. 
Apparently common. 
Distrib. Malay Peninsula and Java. 
POLYPODIUM SECUNDUM, Ridl., sp. nov. 
Planta cespitosa, radicibus copiosis hirtis. rondes 15-18 cm. longe, 2:5 em. late, 
sicce brunnee. Stipes 3 cm. longus, dense barbatus, rhachi et costa barbatis. 
Pinne simplices, unilaterales, recurve, 1:5 cm. longe, in margine superiore tantum 
lobate; lobi ad costam fissi, parce hirti, obovati, apice rotundati, 1 mm. longi, 
basales et apicales breviores. Sori parvi, ad basin loborum siti, hirti. 
Camps X to XI, 6700 to 8300 ft. 
Allied to P. tenuisecta, Blume, but czespitose, with lobes on the upper side of the costa 
only. The lobes are smallest at the base, and also diminish in size towards the tips. 
'They are oblong to obovate or nearly spathulate, narrowed towards the base. 
PoLYPODIUM PENSILE, Ridl., sp. nov. 
Frondes pendule, 70 cm. longe, dense rufo-barbate, petiolo 5-6 cm. longo; lamina 
subeoriacea, rufo-barbata (presertim in rhachi), pinnata, lobis plurimis (ad 70 in 
utroque latere) linearibus breviter acuminatis obtusis basi in rhachi decurrentibus 
2:5 cm. longis 3-4 mm. latis apice et basi decrescentibus, nervis celatis. Sori 
orbieulares, marginales, plerumque 6 in utroque margine, immersi. 
Camps IX to X, 5500 to 6700 ft. 
Near P. celebicum, Blume, but with remarkable long pendulous fronds of an almost 
fleshy nature, the lobes distinct, but decurrent at the base of the rhachis, so as to form 
narrow wings on it. 
PoLyPopioMm WorrAsTONIL Ridl., sp. nov. 
Rhizoma longum, gracile, squamis ovatis acuminatis brunneis dissitis caducis teóturi: 
Frondes remote, 45 cm. longe, 10 em. late, pinnate, subcoriacee. Stipes 12 cm. 
longus, gracilis, purpureus, cum rhachi minute pubescens. Pinne 5-6 cm. longe, 
ad costam hirte, lobis lanceolato-linearibus falcatis basi decurrentibus parce hirtis 
7 mm. longis 2 mm. latis apicem versus decrescentibus, uno basali longiore erecto, 
apice serrato, nervis furcatis. Sort 2-4 ad basin loborum siti, sepe lobos fere 
tegentibus. : 
Camp III, 2500 ft. 
The whole plant except the stipes dries pale green. 
PoLyPoDIUM ARGYROPUS, Ridl., sp. nov. 
Rhizoma 4 mm. crassum, squamis lanceolatis acuminatis argenteis undique dense . 
tecto. rondes steriles coriacee, lanceolate, acuminate, basi cuneate, 10 em. 
longe, 2-25 cm, late; marginibus incurvis, nervis 40 vel ultra in utraque pagina 
