NATIVE WOODY PLANTS OF THE UNITED STATES 251 



Salix nevadensis, see Salix exigua. 

 Salix nigra, see also Salix gooddingii. 



Salix nigra Marsh. Black willow. 



S. marginata Wimm. 



Range : 16, 17, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30. 

 Site : Dry, well-drained, moist, sun. 

 Fruit : Capsule, available April-June. 



A large shrub to small or large tree; root system spreading; rapid growing, 

 especially when young ; short-lived ; much injured by fire, wind, and fungi ; seed 

 germination percentage high, vitality transient ; wood used to some extent com- 

 mercially. 

 Observations: White-tailed deer, cottontail rabbit. 



Salix nivalis Hook. 



Range : 4, 12, 13, 14. 

 Site : Well-drained, sun. 

 Fruit : Capsule. 

 A small, prostrate shrub. 



Salix nudescens, see Salix glaucops. 

 Salix nuttallii, see Salix scouleriana. 

 Salix occidentalis, see Salix longipes. 



Salix orestera Schneid. Sierra willow. 



8. glauca orestera, Jeps., /S. glauca, villosn Bebb (Jeps. et al.). 

 Range: 4. 

 Site: Moist, sun. 

 Fruit : Capsule. 

 A small to large, spreading shrub. 



Salix pachnophora, see Salix subcoerulea. 

 Salix padophylla, see Salix monticola. 

 Salix pallida, see Salix bonplandiana. 

 Salix parishiana, see Salix hindsiana. 



Salix parksiana Ball. 

 Range: 1. 



Site : Well-drained, moist, sun. 

 Fruit : Capsule. 

 A small to large shrub. 



Salix pedicellaris Pursh. Bog willow. 



S. myrtilloides of auths., not L. 



Range : 26, 27. 

 Site: Moist, sun. 

 Fruit: Capsule. 

 A small shrub. Var. hypoglauca Fern., is in regions 1, 2, 4, 12, 21, 23, and 24. 



Salix pellita Anders. 



Range : 26, 27. 



Site : Well-drained, moist, sun. 

 Fruit: Capsule. 

 A large shrub to small tree. 



Salix pennata Ball. 



Range: 4, 12. 

 Site : Well-drained, sun. 

 Fruit : Capsule, available in August. 

 A small, spreading shrub. 



Salix perrostrata, see Salix bebbiana. 



Salix petiolaris Smith. 

 /&'. gracilis Anders. 



Range: 13, 15 (Black Hills), 18, 21, 22, 23, 24, 25, 26, 27. 

 Site : Well-drained, moist, sun. 

 Fruit: Capsule. 

 A small to large shrub. 



