NATIVE WOODY PLANTS OF THE UNITED STATES 253 



Salix sericea Marsh. Silky willow. 



Range: 21, 22, 23, 24, 25, 26, 27, 28. 

 Site : Moist, well-drained, sun. 

 Fruit: Capsule. 

 A large shrub. 

 Observations: Cottontail rabbit. 



Salix serissima (Bail.) Fern. Autumn willow. 



S. pallescens Mrtisquama Anders. 



Range : 12, 13, 15, 18, 21, 23, 24, 26, 27. 

 Site : Moist, sun. 

 Fruit: Capsule. 

 A large shrub ; commonly occurs on calcareous soil. 



Salix sessilifolia, see also Salix fluviatilis and 8. hindsiana. 



Salix sessilifolia Nutt. Sandbar willow. 



Range : 1, 2, 4. 



Site: Well-drained, moist, sun. 



Fruit: Capsule. 



A large shrub to small tree, of some importance as a honey plant in 

 California. 



Salix sitchensis Sans. Silky willow. 



S. cuneata Nutt. 



Range: 1, 2, 4, 7, 12. 

 Site : Well-drained, moist, sun. 

 Fruit: Capsule. 

 A large shrub to small or large tree. 



Salix stenophylla, see Salix exigua. 

 Salix stricta, see Salix brachycarpa. 



Salix subcoerulea Piper. Blue willow. 



S. covillei Eastw., S. pachnophora Rydb. 

 Range: 4, 12, 13, 14. 

 Site : Well-drained, moist, sun. 

 Fruit: Capsule. 

 A small to large shrub ; relished by livestock. 



Salix syrticola, see Salix adenophylla. 



Salix taxifolia H. B. K. Yewleaf willow. 



8. microphylla Schlecht. and Cham. . 



Range: 9, 11. 

 Site : Well-drained, sun. 

 Fruit : Capsule. 

 A large shrub to large tree. 



Salix tenera, see Salix cascadensis. 

 Salix thurberi, see Balix interior. 



Salix tracyi Ball. 



Range : 1, 4. 



Site : Well-drained, moist, sun. 

 Fruit : Capsule. 

 A large shrub to small tree. 



Salix tristis Ait. Dwarf gray willow. 



Range: 21, 22, 23, 24, 25, 27, 28, 29. 

 Site : Dry, well-drained, sun. 

 Fruit: Capsule. 

 A small shrub ; commonly occurs in sandy soil. 



Salix tweedyi (Bebb) Ball. 



S. barrattiana tweedyi Bebb. 

 Range: 12. 

 Site : Moist, sun. 

 Fruit : Capsule. 

 A large shrub. 



