ARBOR DAY. 93 



latitude 47, and Thursday, May 5, for the part nortli of 

 that parallel. They also urge city councils, boards of 

 trade, town officers, school boards, and others in authority 

 to take steps for the local observance of the day. Every 

 citizen is urged to plant at least one tree as a memorial 

 of the day. They recommend for street planting : White 

 elm, box-elder, and hard maple. For parks and farms: 

 Cut-leaved weeping willow, European white birch, laurel 

 larch, English and American larch, mountain ash, blue 

 spruce, white elm, white ash, and box-elder. Cottonwood 

 is much planted for a quick-growing tree, but consider- 

 able difficulty has been experienced the last three years 

 in getting cuttings to grow, and those having experience 

 recommend cutting thrifty shoots, tying in bundles, and 

 throwing in water to soak five or six weeks, until the 

 buds begin to start, before planting, which will be about 

 the twentieth of April. 



THE NATIVE TREES of Dakota which will be sure to 

 grow under almost any conditions are : Elm, cottonwood, 

 and willow on low ground, and native ash (Fraxinus vir- 

 idis) and box-elder on the high prairie. The pure, dry 

 atmosphere, lack of snow in winter, and hot, drying 

 winds of summer, make it difficult to grow hard maple 

 and many other kinds of trees which are not used to a 

 rigorous climate. With the planting of trees will come 

 a change of climate, which will make it safe to set out a 



