18 
J. BACKHOUSE AND SON. 
T. proliferum (Blume.) A small species from Java , producing 
new fronds from the "bases of the older ones in a very 
singular manner. Bhizome creeping. Fronds about an 
inch across, deeply cleft into a sub-palmate form. 55° to 70°. 
yL pusillum (Sw.) A minute West Indian species, creeping on 
the stems of palms, &c., with oblong or wedge shaped, 
lobed fronds, tapering into very short stalks. 55° to 70°. 
5 ^ pyxidiferum (Linn.) A creeping fern, variable in form, from 
the West Indies , with twice divided {bi-pinnatijid ) smooth, 
firm, and rather flat fronds, 3 to 4 inches high. On trunks 
of palms, &c. 50° to 70°. 
> radicans (Sw.) T. speciosum (Willd.) The “ Killarney Fern." 
A beautiful species, creeping on moist rocks in the south- 
west of Ireland, Madeira, &c. First found in Yorkshire ! 
Frond triangular-ovate, dark green, highly divided (3-4- 
pinnatijid ), on tall hairy stalks. Shady and very humid. 
40° to 70°. 
var. dilatation. Fewer and very broad divisions, a very 
distinct and striking variety, resembling Hymenophyllum 
dilatatum in its broadly winged stem. 
var. dissectum. Very finely divided pinnules. The “anti- 
podes ” of the var. dilatatum ! 
var. Andrewsii. Fronds lanceolate. Fruits freely. 
jL reniforme (Forst.) A very distinct creeping species from New 
Zealand, with nearly round, undivided dark green, beautifully 
veined fronds, heart-shaped at the base, and 4 to 5 inches 
broad, on tall wiry stalks. 40° to 60°. 
%. reptans (Sw.) A very minute species, creeping on palms, &c., 
in the West Indies , with roundish or wedge-shaped, more or 
less incised fronds, having fan-shaped veins. 55° to 70°. 
