$f -some New Zealand Ferns . 25 
means as I have here at command, I arrive at the conclusion, 
that these clusters (which are evidently formed beneath the 
cuticle) are, in all probability, analogous to the galls on the 
oak and willow ; and like them, too, may owe their origin to 
the punctures of some yet unknown insect of the Hymen- 
apterous order. 
28. H. villosum, n. sp. Plant , climbing, few fronded, 
reclinate and pendulous, glabrous, epiphytical. Frond , 
ovate, sub-acuminate, tripinnate, 3 inches long ; colour, 
tawny green. Pinnules ; primaries , somewhat trapezio- 
lanceolate, acuminate, obtuse, petiolate, alternate , unequal ; 
midrib, sub-fiexuose ; secondaries , somewhat rhombic-ovate, 
obtuse, petiolate, alternate : tertiaries, sub-pinnatifid, cuneate 
petiolate, alternate : segments , deeply incised, 2 — 6 lobed : 
lobes , linear, entire, truncate or slightly emarginate. Invo- 
lucre, ovate, sub-acute and obtuse, solitary, sometimes in 
pairs, axillary in axillae of tertiary pinnules and lobes, pedi« 
celled : Valves , large, entire, and much open. Rachis , 
Petioles, and Ribs, villous underneath, and margined ; 
margin, entire, and slightly ciliated ; Rachis, flexuose. 
Stipe, two inches long, winged to base, brittle and villous. 
Caudex , creeping. 
Hah * On reclining and prostrate trees, dense shaded 
forests near Ruatahuna; January, 1842. 
Obs . This Fern has a peculiarly strong smell, especially 
when dry. It appeared to be a scarce species, a few plants 
only being detected, and these in one locality. 
29. H. PULCHERRIMUM, n. sp. Plant, climbing, fronds 
numerous, sub-erect, spreading, pendulous, glabrous, very 
membranaceous, epiphytical. Frond, rhombic-lanceolate, 
lax, margined, tripinnate; grass-green. Pinnules ; pri- 
maries, rhombic-ovate, sub-acute, petiolate, alternate, remote, 
unequal : secondaries, triangular- or trapezio-ovate, retuse, 
petiolate, alternate : tertiaries, trapeziform, cuneate, and 
pinnatifid : segments , entire, linear, bifid, emarginate and 
