io6 
THE FERN WORLD 
fastened to the paper by means of threads passing over the 
stipes or rachis and secured at the back of the sheet. In 
this way they may be preserved for years, and the collection 
will become doubly an object of interest if to each specimen 
is attached a label bearing not only its name, but the place 
where it was gathered, together with the date of gathering. 
Often in turning over the leaves of such a collection will 
sweet odours be exhaled, like the scent of new-mown hay or 
the breath of a country lane. 
