116 NATURE STUDY AND AGRICULTURE 
of the particular purpose or location for which they are de- 
sired, and (6) with a view to furnishing a succession of bloom 
throughout the spring and summer. 
The Buckthorn has dark green foliage that looks healthy 
throughout the season and makes it a favorite bush. A few 
coarse thorns appear on the older plants. It stands pruning 
well and makes an excellent hedge. 
SPRIGS OF SHRUBS 
a, Buckthorn; 6, Caragana; c, Flowering Currant; d, Dogwood. 
The Caragana or Siberian Pea Tree thrives well in the north 
and is a favorite in the Dakotas, Montana, and northwest 
Canada. It is especially handsome in the spring, when its 
light green, feathery foliage is fresh. Toward autumn it takes 
on a somewhat rusty appearance. This plant is often used 
for hedges and may be pruned to suit the fancy. 
The Flowering Currant or yellow currant produces racemes 
of fragrant yellow blossoms in the spring. It is a popular 
shrub and planted everywhere. 
Dogwood. — There are several good varieties, such as the 
red-twigged and red osier dogwood. The former grows from 
