XXX 
Edward Newman 
Trichomanes Europaeum, Sm. in Bees’ Encyc. xxxvi. 
Trichomanes alatum, Hook. Flor. Lond. t. 53. 
Hymenophyllum alatum, Sm. E. B. 1417. 
Trichomanes radicans, ( Newm . in litt. 1838, non Swartz ) ; 
Hook, and Am. 576 ; Bab. 416. 
Bhizoma hairy, creeping extensively; stipes about as 
long as the frond ; frond pendulous, triangular, twice or 
thrice pinnate. 
In Ireland only. Shaded wet glens and the vicinity of 
waterfalls in Cork and Kerry. 
Genus. — Hymenophyllum, Smith. 
Involucre shorter and rounder than in the preceding ge- 
nus, and bivalved : the receptacle or capsuliferous vein not 
longer than the involucre. 
Hymenophyllum Tunbridgense. 
Trichomanes Tunbridgense, Linn. Sp. PI. 1561 ; With. 
Arr. 781. 
? Trichomanes pyxidiferum, Bolt. Fil. Brit. 56, t. 30. 
Trichomanes Tunbridgense, Iluds. FI. Any. 461, ad partem. 
Hymenophyllum Tunbridgense, Sm. E. F. iv. 326, E. B. 
162; Mack. FI. Hib. 345; Newm. N. A. 29, F. 321 ; 
Hook, and Am. 577 ; Bab. 416. 
Eliizoma filiform, creeping extensively ; frond drooping, 
pinnate ; pinnae alternate, composed of four or five alter- 
nate, dichotomously forked divisions, consisting, as in Tri- 
chomanes, of a membranous wing and a median stiff wiry 
vein, margins of the wing serrated ; involucre in the axil 
of the pinnae, flattened, serrated at top. 
A small moss-like plant, growing on rocks, local. 
Hymenophyllum unilaterale. 
Trichomanes Tunbridgense, Lightf. FI. Scot. 681 ; Huds. 
FI. Any. 461, ad partem ; Bolt. Fil. Brit. 58, t. 81. 
1810. Hymenophyllum unilaterale, Willd. Sp. PI. v. 521 ; 
Newm. F. 14. 
1830. Hymenophyllum Wilsoni, Hook. Brit. Flor. 446, E. 
B. S. 2686 ; Mack. FI. Hib. 345 ; Newm. N. A. 29, F. 
325 : Hook, and Am. 577 ; Bab. 416. 
