FOREST ADORNMENT 
ture and contain valuable chemical con- 
stituents which they return to the soil. 
The pine barrens of New Jersey 
illustrate these principles. In close 
proximity to the sea a welcome mois- 
‘ture enters the forest with the ocean 
breezes. Penetrating farther inland, it 
is not so entirely dissipated as to pre- 
clude a varied undergrowth of shrub- 
bery, which in turn renders a welcome 
aid to the forest by the protection it af- 
fords to the porous, sandy soil, which 
would soon dry out under the scant 
shelter of the pervious pines. Under, 
neath these the kalmia or calico bush, 
with its large and showy bunches of 
flowers, is abundant. In late summer 
the sweet pepperbush is there, laden 
with its fragrant racemes; in winter, the 
cheerful evergreen holly of glossy green 
67 
