40 
BRITISH TERNS. 
whole plant is densely clothed with hairs; it hears a 
very cool house, being a North American species. 
The genus Davallia is called after M. Davail, a Swiss 
botanist. Its sori are contained in a cup-shaped hollow. 
Most of the species are stove-ferns. 
Davallia Canariensis. Hare’s-foot fern, Caudex creep- 
ing, densely leafy and hairy, like a hare’s foot ; fronds 
much divided, full green, somewhat triangular in form. 
A very familiar fern in our conservatories. 
Davallia pyxidat a. Shining Davallia, Fronds 18 inches 
high, smooth, tripinnate ; caudex erect, thick, plant 
shrub-like. A native of New Holland. 
The genus Gleichenia is named after the German bo- 
tanist Baron von Gleichen ; it contains many beautiful 
and valuable species. 
Gleichenia dicarpa. Two-fruited Gleichenia, Branches 
forked; little fronds pinnate; pinnae round, looking like 
strings of green beads, about 18 inches high, growing in 
a dense, bushy cluster ; caudex creeping ; sori often con- 
taining two spore-cases, hence the name. A native of 
Australia. 
Gleichenia flabellata. Fan-shaped Gleichenia. Fronds 
divided into branches, fan-shaped, each division from 
6-9 inches in length, drooping ; caudex creeping on the 
surface. A free-growing and very elegant species, the 
fronds 4 feet in height. 
Gleichenia microphylla. Small-leaved Gleichenia. A 
tall fern, slender, and bearing the spore-masses on the 
surface of the frond. 
Gleichenia rupestris . Rock Gleichenia. A curious and 
beautiful fern, the fronds thick, and so much divided 
and drooping as to be quite feathery, of a light green 
colour above, and whitish beneath. It is very rare. 
