214 



FOREST TREES OF THE PACIFIC SLOPE. 



The detailed range of this species east of the Pacific region will be given in a 

 future publication. 



Fig. 85. — Salix nigra, seed-bearing branch. 



OCCURRENCE. 



On borders of streams, and on low flats, in humus-covered wet or moist gravelly and 

 sandy soils. Forms strips and small patches of pure growth, and grows with other 



