INTRODUCTION; 39 
are attached to tlie vein which produces them is of 
far more importance; that is, whether on the back 
or side of the vein: in all the Spleenworts it has 
this latter character. But it is time to conclude, 
and I must refer to the Glossary which immediately 
- follovs for any further information that may be 
_ required, as well as for an alphabetical summary of 
_ these explanations. And here, I have great pleasure 
Smita’s invaluable ‘Grammar of Botany,’ for many 
of theexplanations adopted in the Glossary: in some 
instanes these are copied verbatim, as shown by 
the invrted commas; ‘in others the meaning rather 
than th: words has been adopted, but even in these 
instance, I am very desirous of acknowledging my 
- great oblgation to the works of our illustrious British 
_ botanist. 
In corrlusion, it becomes necessary to notice, tak 
to show chat I am aware of, the Fern-Books that 
have sprug up around mine, like mushrooms around 
the parert plant: I have read them all; I have 
thought tis a duty, and have performed it: and 
I unhesitdingly pronounce, with the German critic, 
