CULTIVATION IN GREENHOUSES. 
33 
Drynaria pustulata . Pimpled Drynaria. Fronds sel- 
dom a foot long, simple or pinnate ; sori in a row, round. 
A native of New Zealand. 
Aspidium furcatum . Forked Shield-fern. This is a well- 
known and very handsome fern. Its fronds are thick, 
full- coloured, and glossy, like the leaves of the Portugal 
Laurel; on the under-surface they are scattered with 
round sori. This bold-looking fern is a native of Japan, 
the Cape, and India; it is an advantage to it to be 
turned out in the summer. 
Aspidium concavum. Concave Shield-fern. Fronds four 
times pinnate; leaflets ovate, crowded; their margins 
recurved. A large spreading fern of a rich green colour, 
and very handsome. 
Aspidium ordinatum. Regular Shield-fern . Fronds bi- 
pinnate, dark green, with deformed triangular-shaped 
doubly- serrated leaflets. A handsome fern ; its bold 
fronds plume-like and very beautiful. A native of South 
America. 
Aspidium vestitum . Clothed Shield-fern. Fronds bi- 
pinnate, dark green, glossy ; 2 feet in height. There is 
a viviparous variety of this plant, which bears little 
clusters of young plants at the apices of the fronds. 
This and varieties are imported from New Zealand, that 
great treasure-house of ferns. 
Of the many species of Asplenium advertised as half- 
hardy in the catalogues of nurserymen, we select a few 
for description. 
Asplenium appendiculatum. Fronds tripinnate, rising 
a foot high, and rooting again at the extreme point ; 
leaflets oval, sharply and deeply serrated at the margin ; 
sori oblong, crowded ; caudex creeping slowly ; stems 
scaly and winged. From its habit of rooting, and thus 
D 
