193 



DRYOPTERIS (NEPHRODIUM) TRUNCATA 0. 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.S.W., Noord River, von Roemer ; N.E.). 

 Madagascar to Polynesia and tropical Australia. 



*DRYOPTERIS (LASTREA) STENOBASIS C. Chr. 



Schouten Island, Bosnik, Wiak, terrestrial in forest, near beach. Jan. 

 6280. " Rosette habit ; frond 2 m. long." 



Distrib. Celebes ; Philippine Islands. 



OYCLOPELTIS PRESLIANA 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. 



ASPIDIUM (SAGENIA) PACHYPHYLLUM Kze. 



Manokoeari, base of high forest behind Manokoeari, 200', terrestrial. 

 Jan. 6168. " Sterile and fertile fronds." 



Distrib. New Guinea (D.S.W., Mt. Carstensz, Kloss ; N.E.). Malay 

 Islands. Polynesia. 



ASPIDIUM (PLEOCNEMIA) LEUZEANUM Kze. 



Manokoeari, track to Ambani, undergrowth in "korang" forest, 700'. 

 Jan. 6194. 



Distrib. New Guinea (D.N.W., Arfak, Beccari : im feuchten Urwald, 

 Gjellerup ; N.E. ; S.E.). Polynesia. Malay Islands. South China. India. 



THYSANOSORIA Gepp, gen. nov. 



Son parvi globosi copiosi submarginales super venis simplicibus terminales. 

 Indusium nullum. Ehizoma scandens ; stipes rhizoinati haud articulatiin adjunctus ; 

 frondes dimorpha pinnat, pinnis rhachi articulatim adjunctis. 



THYSANOSORIA DIMORPHOPHYLLA Gepp, sp. nov. (PI. 4.) 



Axis scandens volubilis stramineus paleis deciduis primum vestitus. Frondes 

 dimorphse. Stipes basi decurrens haud articulatus, 7-9 cm. longus stramineus 

 parcissime paleaceus. Frons sterilis oblonga, c. 35 cm. longa 18 cm. lata, fere 

 pinnata, rhachi angustissime alata, pinnis plermnque alternis 6-8-jugatis sessilibus 

 basi articulatis, ad intervalla c. 4 cm. insertis, e basi cuneata lineari-lanceolatis 

 acuminatis, 14-15 cm. longis 2 cm. latis (pinna apicali ceteris congruente, sed haud 

 articulata), margine veniformi integro, venis pinnatirn dispositis simplicibus (rare 

 furcatis) usque ad marginem excurrentibus. Frons fertilis oblonga, 22-28 cm. longa 

 c. 15 cm. lata, pinnata, pinnis plerumque 9-jugatis stipitatis, rhaclii ad intervalla 



