104 



STUDIES OF TREES 







4 



Fig. 85.— Bark of the Flowering 

 Dogwood. 



Soil and location: 

 It grows naturally on 

 low bottom-lands but 

 will also do wvW in poor, 

 dry soils. 



Enemies: Practically 

 free from disease and 

 insects. 



Value for planting: 

 The catalpa grows very 

 rapidly and is cultivated 

 in parks for ornament 

 and in groves for com- 

 mercial purposes. The 

 hardy catalpa is pref- 

 erable to the common 

 catalpa for planting. 



Commercial value : 

 The wood is extremely 

 durable in contact with 

 the soil and is conse- 

 cpiently used for posts 

 and railroad ties. 



Other characters : 

 The flowers, which 

 appear in late June and 

 early July, are large, 

 white and very showy. 

 Other common 



names: Indian bean; western catalpa. 



Comparisons: The white flowering dog ivood {Cornus flor- 

 ida) is a small tree which also has its leaves in whorls of three: 

 or sometimes opposite. It can be readily told from other 



