NATIVE WOODY PLANTS OF THE UNITED STATES 249 



Salix humilis Marsh. Prairie willow. 



Range : 15, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29. 

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

 Fruit: Capsule. 

 A small to large shrub ; thicket forming. 



Salix interior Rowl. Sandbar willow. 



8. fluviatilis of auths., not Nutt, in part, 8. linearifolia Rydb., in part, 

 8. longifolia Muhl., 8. thurbcri Rowl., 8. ivheeleri (Rowl.) Rydb. 

 Range : 15, 16, 17, 18, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30. 

 Site : Well-drained, moist, sun. 

 Fruit : Capsule, available in April. 



A large shrub to small or rarely a large tree; forms thickets by stolons. 

 Observations: White-tailed deer. 



Salix irrorata Anders. Bluestem willow. 



Range: 11, 13, 14. 

 Site : Well-drained, sun. 

 Fruit : Capsule. 

 Commonly a small shrub, more rarely a large shrub to small tree. 



Salix laevigata Bebb. Eed willow. 



Range : 1, 3, 4, 5, 9, 10, 11. 

 Site : Well-drained, moist, sun. 

 Fruit: Capsule. 



A large shrub to large tree ; rapid growing when young ; short lived ; com- 

 monly occurs in sandy or gravelly soil. 



Observations: Of fair importance as browse for mule deer. 



Salix lancifolia, see Salto lasiandra. 



Salix lasiandra Benth. 



8. fendleriana Anders., 8. lancifolia Anders., 8. lyallii (Sarg.) Heller. 

 Range : 1, 2, 3, 4, 5, 11, 13, 14. 

 Site: Well-drained, moist, sun. 

 Fruit: Capsule. 



A large shrub to small or large tree ; commonly occurs in sandy and other 

 soils. 

 Observations: Of fair importance as browse for mule deer. 



Salix lasiolepis Benth. Arroyo willow. 



8. bakeri v. Seem., 8. boiseana Nels., 8. sandberaii Rydb. 

 Range : 1, 3, 4, 5, 6, 7, 8, 10, 11, 12, 13, 14. 

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

 Fruit: Capsule. 



A large shrub to small or large tree. 



Var. bigelovii (Torr. ) Bebb, (8. bigelovii Torr., 8. franciscana v. Seem.) 

 occurs in the central northern portions of the range. The form described as 

 8. sandbergii is perhaps better considered a variety of the species. It occurs 

 in regions 8 and 12, and is able to grow in dry sites. 



Observations: Of fair importance as browse for mule deer. 



Salix lemmonii Bebb. Lemmon's willow. 



8. austinae Bebb. 

 Range: 4, 10. 



Site : Well-drained, moist, sun. 

 Fruit : Capsule. 

 A small to large shrub. 

 Observations: Of slight importance as browse for mule deer. 



Salix ligulifolia Ball. 



Range: 4, 13, 14. 

 Site: Moist, sun. 

 Fruit: Capsule. 

 A small or large shrub to small tree. 



Salix linearifolia, see Salix interior. 



Salix longifolia, see Salix fluviatilis, 8. interior, and 8. melanopsis. 



