APPENDIX. 
139 
accurately determined. Some ferns are impatient 
of removal ; such may be raised from seed on 
suitable pieces of stone or wood, and afterwards 
introduced into pots, or crevices in walls and 
rockwork prepared to receive them. 
I conceive that a Ward’s case, artistically filled 
with such admirable sandstone as my experiments 
have been made upon, but which I am sorry not 
to be able to tell you the source of, might be 
judiciously sown with seeds of small moisture- 
loving ferns, and form one of the most exquisite 
of drawing-room or cottage conservatories, and 
which, in its gradual progress to maturity would 
delight the eye, expand the understanding, and 
warm the heart in love and gratitude towards the 
Author of that portion of creation which is truly 
the most beautiful, as well as most essential to 
our healthy and happy existence on earth, I mean 
the Vegetable kingdom. 
No kind of vegetation that I am acquainted 
with has ever struck me with such wonder, admi- 
ration, and delight, as the little crops of ferns 
raised as you have seen them, and as I have now 
endeavoured to show you how to raise ; and 
nothing would please me better thpi to see others 
deriving similar enjoyment from this simple and 
accessible source. Any one who makes a garden 
of this kind under a bell-glass, must observe that 
