OF THE 'CHALLENGER* EXPEDITION. Ill 



VlTTARIA ELONGATA, SlV. 



Admiralty Islands, Aru Islands, and Malanipa Island (Philippines). 



Antrophyum plantagineum, Kaulf. 



Humboldt Bay, New Guinea {Prof. Thomson), and Matuku (Fijis). 



Acrostichum (Stenochl^na) scandens, J. Sm. 

 Admiralty Isles. 



A. (Gymnopteris) repandum, var. Quoyanum, Gaud. 

 Admiralty Isles. 



A. (Chrysodium) aureum, L. 

 Tongatabu. 



132*. A. (Photinopteris) Thomsoni, Baker, n. sp. Fronds sub- 

 sessile, membranous, glabrous, the barren part lanceolate, 2-3 feet 

 long, 6-8 inches broad, cut down to a broad wing into lanceolate or 

 deltoid lobes ; those of the centre of the frond 2-3 inches deep, l£-2 

 inches broad at the base, erecto-patent, narrowed gradually to an 

 acute point; those near the base more shallow. Pinnae each with a 

 distinct costa and erecto-patent main veins 3-4 lines apart distinct to 

 the edge, connected by several distinct cross bars as in Campy loneuron ; 

 the final areolae quadrate, minute, furnished with copious, knobbed, 

 free, included venules. Fertile portion of the frond extending over 

 the upper half-foot of the rachis, which bears about 20 pairs of subu- 

 late lomarioid pinnae l£-2 inches long. Rachis brown-stramineous. 

 Both surfaces quite destitute of hairs and scales. 



Admiralty Islands. 



Of known species, only near A. drynarioides, from which it 

 differs by its membranous texture and much smaller size. 



PLATYCERIUM GRANDE, J. Sm. 



Aru Islands. 



Marattia fraxinea, Sm., var. Smithii, Mett. 

 Ternate, 2000-4000 feet. 



Lygodium dichotomum, 8m. 



Admiralty Islands, Aru Islands, Malanipa, Malamaui, and Camiguen 

 (Philippines). 



L. reticulatum, Schk. 

 Matuku (Fijis). 



Ophioglossum pendulum, L. 



Admiralty Islands and Tongatabu. 



Lycopodium cernuum, L. 



Adroiraltv Islands, Banda, Summit of Ternate, and Matuku (Fijis). 



