CULTIVATION. 
405 
hoped that what is now given in the preceding pages 
will be sufficient to show the nature of Ferns, and the 
methods adopted for propagating and preserving 
them in the collections of this country. 
NOTE. 
In the preceding article on Cultivation it has been shown 
that all Ferns are capable of being cultivated in this country 
under one of three conditions as regards temperature, deter- 
mined by the nature of the native climate of the different 
species, which, as regards the species enumerated in the 
preceding catalogue, I classify as follows : — 
1st. Hardy, in the open air. 
North and Central Europe, including Great Britain 
and Ireland, North America, North Asia. 
2nd. Temperate House. 
South Europe, Madeira, South Africa, North 
India, China, Japan, Australia, South of the Tropics, 
Tasmania, Norfolk Island, New Zealand, Chili, 
Mexico. 
A few species of those countries are hardy, — such are marked 
H. after the name of the country ; some others improve by a 
higher temperature, — such are marked Tr. after the name of 
the country. 
3rd. Tropical House. 
West Tropical Africa, including St. Helena and 
Ascension, Mauritius, Ceylon, India, Malacca, the 
