195 



DIPLAZIUM (ANISOGONIUM) PROLIFERUM Thouars. 



Manokoeari, terrestrial in base of high forest, 200'. Dec. 6159. "Like 

 small tree-fern in habit." 



Distrib. New Guinea (D.S.W., Noord River, Versteeg ; Mt. Carstensz, 

 Kloss ; N.E.). Malay Islands to Polynesia and tropical Africa. 



AsPLENIUM LASERPITIIFOLIUM Lam. 



Manokoeari, common in " korang" forest, 500'. Jan. 6183. "Rosette 

 h;il>it, fronds 1 m., naked stipes 50 m., young plantlets make roots on 

 parent plant." 



Distrib. New Guinea (D.N.W., Ramoi, Beccari-, D.S.W., Hellwig-Gebirge, 

 ron Roemer ; N.E. ; S.E.). Malay Islands. Polynesia. Trop. Australia. 



HYPOLEPIS GRANDIFRONS Gepp, sp. nov. 



Frons maxima subdeltoidea (pinna basalis c. 72 cm., pinna media c. 92 cm. longa) 

 tripinnata ; pinna? primariae lanceolate acuminate 22-25 cm. latae ; pinna? secundaria} 

 alternse c. 40-jugate breviter stipitatae, intervallis c. 2'5 cm. insert*, lineari-lanceolate 

 acuminate usque ad 12*5 cm. longe 2'5 cm. late ; pinnule alternae 20-22 -jugate 

 breviter stipitate oblongse obtusissime pinnatifide, lobis anticis 5 et posticis 4 

 instructs, apice flabellatae ; lobi oblongi paucicrenati vel integri, venulis 3 anticis 

 1 postico percursi ; lobus anticus inferior duplo major, venulis 3-jugatis furcatis 

 percursus. Sori in lobis solitarii, in sinu marginis antici positi, lobulo (indusio) 

 parvo luteo-fusco involute obtecti ; in lobo antico inferiore duo sori adsunt. 

 Sporangia circum penicillum paraphysium articulatarum disposita. Textura 

 membranacea ; color valde viridis. Rhachis primaria (? 1 cm. crassa) strain im-a ; 

 rliachis secundaria et tertiaria atque pinnularum coste supenie sulco pilis articulatis 

 brevibus villoso exaratae ; costa et venule pilis paucis hinc illinc instructae. 



Hab. Humboldt Bay, ridge behind " campong," 500', terrestrial by stream 

 in high forest. Jan. 6258. "Magnificent single fronds from underground 

 creeping rhizome, 5 m. long, petiole 3 m., lamina 2 in. deltoid." 



The huge fronds, the stipitate pinnules, and the few sori distinguish this 

 species from the rest. The material consists of two pinnae with fragments of 

 the main rhachis attached. 



PTERIS (EUPTERIS) BAMBUSOIDES Gepp, sp. nov. 



Rhachis erecta crassa atro-purpurea subnitens minute pubescens. Pinnae inter- 

 vallis circa 4 cm. insert*, erecto-patentes, alternse (?) brevi-stipitatae, ad basin imam 

 1-2 -dichotomy, segmentis usque ad 40 cm. longis e basi cuneata linearibus sensim 

 attenuatis, fertilibus integris, sterilibus serrulatis, versus apicem spinuloso-serratis, 

 margine incrassata venuliformi, lamina nitente, costa inferne plerumque rubella et ad 

 latera saepe pubescenti, venulis plurimis (circa 33 in centimetri spatio) conspicuis 

 simplicibus furcatisve. In Just urn angustum brunneolum membranaceum. 



Ildb. Arfak Mts., inundation area of Momi River, and common down to 

 Wariap. Dec. 5732. "Each shoot up to 3 m. tapering; growing in 

 clumps. Pinnre on young fronds plane, but on rhachis twisting in growth, 

 finally arranged spirally." 



