LASTREA CRISTATA. 79 
Warwickshire, I used a little rich earth mixed 
with leaf mould. 
In Scotland I found a variety of L. dilatata, 
with its pinnules curved in a convex manner. I 
showed the specimen to Mr. Bree, and he thought 
the curved look would vanish with time. This 
has not proved to be the case, though I have had 
the Fern for some years. Lastrea cristata I have 
never found, but I have some good plants of it ; 
it increases quickly in cultivation. L. cristata 
has one peculiarity which I have noticed in no 
other Fern — the venation is clearly defined on the 
outer side, making a regular pattern on the pin- 
nule. This has been the simple mark which has 
always, and at once, made L. cristata known to 
me. The fronds of cristata are slender and pretty, 
but they are of so fragile a nature that they bow, 
bruised and broken, before a high wind, so that 
the plant has usually an untidy appearance in the 
Fernery. 
Asplenium marinum I found at Exmouth grow- 
ing on a rock far removed from the sea. It 
