VASCULAR CRYPTOGAMIA OF NEW GUINEA. 105 



HyMENOPHYLLACE^E. 



15* Hymenophyllum ooides F. M. & Baker, n. sp. — Stipe 

 short, thread-like, glabrous. Fronds lanceolate, 2-3-pinnate, pen- 

 dulous, glabrous 6-9 in. long, at most an inch broad; rachis 

 thread-like. Pinnre very numerous, lanceolate, ascending, those in 

 the centre of the frond the largest, usually simply pinnate, rarely 

 with small pinnate pinnules. Ultimate segments obovate, obtuse, 

 1-nerved, emarginate, crowded, about T ^ in. long, more or less 

 crisped and complicated. Sori small, terminal on the ultimate 

 segments. Indusium immersed at the base in the lamina of the 

 segments, its valves cuneate with a rounded margin. — New Guinea 

 highlands, alt. 9200 ft. A very distinct species, allied to H. nndu- 

 latum and crispum. 



H. dilatatum Sw. — Mount Musgrave, Mount Knutsford, and 

 summit of Owen Stanley range. (Polynesian and Malay isles. 

 New Zealand). 



H. tmjbriclgense Sm. — Summit of Owen Stanley range. (Cos- 

 mopolitan). 



H..multiJiJum Sw.— Musgrave range, alt. 7000-8000 ft. (Poly- 

 nesia, New Zealand). What is probably an exposed mountain 

 form of the same species, with contracted fronds and a densely 

 scaly rachis, occurs on the same mountains. 



Trichumanes humile Forst. ? Camp No. 1. — (Polynesia, Java, 

 New Zealand). 



T. pallidum Blume. — Mount Musgrave. (Malay and Polynesian 

 isles. Queensland). 



T. rigidum Sw. — Mount Musgrave. (Cosmopolitan, tropical and 

 subtropical). 



T. apiifolium Presl. — Mount Musgrave. (Malay and Poly- 

 nesian isles. Norfolk Island). 



T. trichophyllum Moore. — Mount Knutsford. (Borneo. New 

 Caledonia). 



T. maximum Blume. — Mount Knutsford and Mount Musgrave, 

 7000-8000 ft. (Malay and Polynesian isles, Queensland, Perak). 



PoLYPODIACEjE. 



29.* Dicksonia (Pataxia) rhombifolia Baker, n. sp. — Stipe 

 and rachis slender, naked, castaneous. Frond oblong-lanceolate, 

 bipinnate, under a foot long, green and glabrous on both surfaces. 

 Pinna; sessile, lanceolate, cut down to the rachis into oblong- 

 rhomboidal pinnules £~^ in. long, £ in. broad, which are truncate 

 on the lower side at the base. Veining subflabellate. Sori solitary 

 on the upper margin of the pinnules. Indusium an entire cup of 

 firm texture. N*ar summit of Owen Stanley range. 



Davallia hymenophylloid.es Baker, Camp No. 1. — (Philippines, 

 New Caledonia, Java, Fiji). 



D. Blumeana Hook.— Mount Musgrave, 8000-9000 ft. (Philip- 

 pines to Fiji). 



D. vestita Blume. — Mount Knutsford and Mount Musgrave. 

 (Ceylon, Java). 



