Plate 17. Deciduous Plants for Snowtraps. (2.) A hedge of Niobe weep- 

 ing willow at the South Dakota Experiment Station. Of promise not only 

 for ornamental purposes but for windbreaks owing to the rapid growth and 

 long limbs which hang down and serve to check surface winds weep. 



Plate 18. Deciduous Plants for Snowtraps. (3.) Ten-year-old hedge of 

 Buckhorn (Rhamnus cathartica, L.) at the South Dakota Experi- 

 ment Station, Brookings. This hedge has never been trimmed. 



