193 
Dryopteris (NEPHRODIUM) TRUNCATA O. Kuntze. 
Manokoeari, track to Ambani, terrestrial in “korang” forest, 700’, 
common. Jan. 6206. “Fronds 1:50 m., arranged as in a small tree- 
fern.”’ 
Distrib. New Guinea (D.8.W., Noord River, von Roemer ; N.E.). 
Madagascar to Polynesia and tropical Australia. 
*Dryopreris (LAstREA) STENOBASIS ©. Chr. 
Schouten Island, Bosnik, Wiak, terrestrial in forest, near beach. Jan. 
6280. “ Rosette habit ; frond 2 m. long.” 
Distrib. Celebes; Philippine Islands. 
CycLopeLtTis PrestiaNna Berk. 
Manokoeari, track to Ambani, epiphytic in “ korang” forest, 500’. Jan. 
6207. ‘* Fronds on rhizome.” 
Distrib. New Guinea (D.N.W., Andai, Beccari: sine loc., Gjellerup ; 
N.E.). Malay Islands. Burma. , 
Aspipium (SAGENIA) PACHYPHYLLUM Kze. 
-Manokoeari, base of high forest behind Manokoeari, 200’, terrestrial. 
Jan. 6168. “Sterile and fertile fronds.” 
Distrib. New Guinea (D.8.W., Mt. Carstensz, Kloss; N.E.). Malay 
Islands. Polynesia. 
Aspipium (PieocnemiA) Leuzeanum Kze. 
Manokoeari, track to Ambani, undergrowth in “korang” forest, 700’. 
Jan. 6194. 
Distrib. New Guinea (D.N.W., Arfak, Beccart: im feuchten Urwald, 
Gjellerup ; N.E.; S.E.). Polynesia. Malay Islands. South China. India. 
THYSANOSORIA Gepp, gen. nov. 
Sori parvi globosi copiosi submarginales super venis simplicibus terminales. 
Indusium nullum. Rhizoma scandens; stipes rhizomati haud articulatim adjunctus ; 
frondes dimorphx pinnate, pinnis rhachi articulatim adjunctis. 
THYSANOSORIA DIMORPHOPHYLLA Gepp, sp. nov. (PI. 4.) 
Axis scandens volubilis stramineus paleis deciduis primum vestitus. Frondes 
dimorphe. Stipes basi decurrens haud articulatus, 7-9 cm. longus stramineus 
parcissime paleaceus. rons sterilis oblonga, c. 35 cm. longa 18 em. lata, fere 
pinnata, rhachi angustissime alata, pinnis plerumque alternis 6-8-jugatis sessilibus 
basi articulatis, ad intervalla c. 4 cm. insertis, e basi cuneata lineari-lanceolatis 
acuminatis, 14-15 cm. longis 2 em. latis (pinna apicali ceteris congruente, sed haud 
articulata), margine veniformi integro, venis pinnatim dispositis simplicibus (rare 
fureatis) usque ad marginem excurrentibus. Frons fertilis oblonga, 22-28 em. longa 
c. 15 cm. lata, pinata, pinnis plerumque 9-jugatis stipitatis, rhachi ad intervalla 
