44 

 Salix sessilifolia Nutt. Silverleaf Willow 



Range. — From Puget Sound to southwestern California, ranging through western 

 Washington and Oregon, western slopes of California, Sierra and coast ranges. 



Xames ix use. — Willow (Cal., Oreg.); Silver Willow (CaL). 

 Salix taxifolia H. B. K. Yewleaf Willow. 



Range. — Texas (near El Paso), southern Arizona (near Tucson and on mountain 

 streams) ; Mexico to Guatemala and Lower California. 



Salix bebbiana Sargent. Bebb Willow. 



Salix rostrata Bich. 



Range. — St. Lawrence River 'Ic^er valley) to Hudson Bay and northwestward 

 to the Arctic Circle (Mackenzie River) and British Columhia (coast ranges); south 

 to Pennsylvania and west to Minnesota: western Idaho and northern Montana to 

 Dakota (Black Hills) : western Nebraska, through Colorado to northern Arizona. 



Salix discolor Muelil. Glaucous Willow. 



Range. — Xova Scotia to Manitoba and south to Delawarey^southern Indiana and 

 Illinois and northeastern Missouri. 



Xames ix use. — Glaucous Willow (E. I., K. Y., Pa., Miss., Mich., 

 Minn., Out.); Pussy Willow (X. J., Minn.); Silver Willow: Swamp 

 Willow (X. J.); Willow (Vt,, BT. Y., Mo.). 

 Salix discolor eriocephala (Michx.) Anderss. 

 Salix discolor prinoides (Pursh) Anderss. 

 Salix cordata mackenzieana Hook. Mackenzie Willow. 



Range. — Great Slave Lake and southward (through region along eastern base of 

 Rocky Mountains) to northern Idaho and California (Lake County). 



Balis cordata lutea (Nutt.) Bebb. Yellow Willow. 



Range. — Southern Assiniboia and northern Montana. 



Sails, niissouriensis Bebb. Missouri Willow, 



Salix cordata var. testita Sargent, not Pursh. 

 Range. — Western Missouri (Courtney, Jackson County, Fort Osage, and near 



Watson. Atchison County). 



Salix lasiolepis Bentli. Bigeiow Willow. 



Range. — Xorthern California (Klamath River) and southward through the west- 

 ern part of the State to Lower California and southern Arizona (Tanners Canyon on 

 Huachuca Mountains, and White River Canyon on Chericahua Mountains). 



]STame in use. — Willow (CaL. Xev.)- 

 Salix nuttallii Sargent. Nuttall Willow. 



Salix flayescexs Xutt. 



Range. — From southern Assiniboia and British Columbia (Columbia River near 

 Donald) southward in the Rocky Mountain region to northern Xew Mexico and 

 Arizona (San Francisco Mountain) : California | Sierra Nevada to the San Bernardino 

 Mountains). 



Xa^ies in use. — Mountain Willow (Mont.) 5 Willow (Oreg.. CJtah); 

 Black Willow. 



Salix nuttallii brachystachys (Benth.) Sargent. 



Range — Western Washington and Oregon, and California coast region. 



Salix piperi Bebb. Piper Willow. 



Range. — Western Washington. 



Salix hookeriana Barratt. Hooker Willow 



Range. — Vancouver Island to southern Oregon — coast region. 



