DoweEL.L: ON THE STUDY OF FERNS 53 
a semitropical world, and to my own unqualified enjoy- 
ment of his society. 
BALTIMORE, Mp., 31 DecemBeEr, 1910. 
On the study of ferns 
‘Pare Dowstn ea 
¥ scale and ‘occasional miliactins on ae : 
study of bone are here presented for the consideration of 
the reader in the hope that they may be of help to some 
and of interest to others. 
The particular course of lint unas to be: pursded, 
like our calling in life, need not be hastily decided on. 
That will depend largely on circumstances and individual 
bent and capacity, and need not even be considered at 
the outset. Some of the most noted botanists have 
begun by simply going afield and enjoying nature. By 
constantly associating with plants they have become 
interested in them and more or less acquainted with ae 
them, and later they have become more deeply ore oe 
in some special line of plant study. foe 
In order that the student may arrive at the safest con 7 aS 
