Gen. IV. Sp. I. — Gen. V. Sp. 2. 
ith long, weak, rusty-brown, hairs, mixed with scales ; besides 
jhich the surface of the frond is covered with a reddish brown 
pwn ; the scales and hair are deciduous. This fern will be easily 
cognised as it is the only member of the genus found in New 
paland ; it is very rare in the Northern Island having hitherto only 
!:en found on the Ruahine ranges, but it is abundant at the south 
S’ the Middle Island. 
Gen. IV. — Dicksonia. 
1. D. squarrosa. A very handsome and abundant tree-fern ; 
ank 10-15 feet high, rough with the black bases of fronds ; young 
ipes clothed with soft, pale brown, wool ; old stipes, rachis, and 
Idribs of the pinnae, rough with little tubercles. This fern may 
easily distinguished from the other species of Dicksonia by its 
"ff texture and dark-coloured rachis; 
2. D. aritarctica. This tree-fern may be known by its trunk 
[rich is covered with matted rootlets ; stipes smooth and pale ; 
-his and mid-ribs clothed, more or less, with soft, deciduous hairs 
'•d a yellowish brown down ; fronds not so stiff as those of D. 
ucirrosa. Wellington. Turanga* 
3. D. lanata. Trunk generally absent, but sometimes found 
the height of 4 feet ; stipes clothed at the base with long, soft, 
ky hairs ; upper part of stipes and main rachis quite smooth and 
;ht in colour, but the upper rachis of the pinnae and pinnules is 
vered With very short hairs or down ; when in seed the whole 
der-surface of the frond is covered with sori, the two-valved, 
x-like, involucra of which are very conspicuous. Bay of Islands, 
angarei. East Coast, and interior of Northern Island. 
Gen. V. — Hymenophyllum. 
§ A. 
1- H. Tunbridgense. A small fern, found throughout the 
ands, on rocks, and roots oftrees ; frond pinnate below ; pinnate or 
inatifid above ; quite smooth ; pinnae pinnatifid, sharply 
ithed ; involucre orbicular, compressed, projecting beyond the 
>nd, and having its lips toothed. 
Yar B. cupressiforme. A taller plant sometimes 3J inches in 
ight with very narrow pinnae, far apart from each other, and often 
tiding downwards, rendering the involucra very conspicuous. 
2. H. unilaterale. Hitherto only found on the Ruahine 
ige ; differing from var B of H. Tunbridgense only in having 
rolucra, with smooth uncut edges. 
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