SCOUTING FOR GIRLS 
389 
CHRISTMAS FERN. 
An evergreen fern growing in woods and rocky places. Range; 
Eastern United States and Canada. Photograph by Mary C. Dickerson. 
can only begin to mention them. In looking about us 
we see wood used in building houses, in making furni- 
ture, for railroad ties, and for shoring timbers in mines. 
In many country districts wood is used for fuel. And 
do you realize that only a short time ago the newspaper 
which you read this morning and the book which you 
now hold in your hand were parts of growing trees in 
the forest? Paper is made of wood-pulp, mostly from 
Spruce. 
Besides the direct uses of wood, we turn to the forest 
for many interesting and valuable products, varying in 
importance from a balsam-pillow filled with the frag- 
rant leaves or needles of the Balsam Fir, to turpentine 
and rosin (naval stores), produced chiefly by the Long- 
leaved Pine of the Southeastern States. Spruce gum is 
obtained from the Black Spruce and Red Spruce. Can- 
ada balsam used in cementing lenses together in micro- 
