72 MISCELLANEOUS CIRCULAR 92, U. S. DEPT. OF AGRICULTURE 



Salix pyrifolia Andersson. 44 Balsam Willow. 



Range. — Newfoundland and Labrador to northern Maine, New Hampshire, 

 and New York; westward to British Columbia and to South Dakota. 



Note on nomenclatuee. — Formerly designated as Salix balsamifera (Hooker) 

 Barratt. 



NAME in use 



Balsam Willow 



Salix lasiolepis Bentham. White Willow. 



Range. — Northern California (Klamath River) and southward through the 

 western part of the State to Lower California; Santa Catalina Island; southern 

 Arizona (Tanners Canyon on Huachuca Mountains and White River Canyon on 

 Chiricahua Mountains. 45 



NAMES IN USE 



White Willow (Calif.). Arroyo Willow (lit.). 



California White Willow (lit.). Bigelow Willow (lit.). 



Salix mackenzieana Barratt. 



Range. — Great Slave Lake and southward (in region east of Rocky Moun- 

 tains) to northern Idaho, western Nevada, and northwestern Wyoming; Cali- 

 fornia (Calaveras and Mariposa Counties). 



Note on nomenclature. — Formerly designated by some authors as Salix 

 cordata mackenzieana Hooker. 



name in use 

 Diamond Willow 



Salix missouriensis Bebb. Missouri River Willow. 



Range. — Northeastern Kansas, eastern Oklahoma, western Missouri (Mis- 

 souri River bottoms) to southwestern Nebraska; also from the vicinity of St. 

 Louis to southeastern and western Iowa 46 ; Illinois (Richland County). 



NAME IN USE 



Missouri River Willow 



Salix discolor Mueklenberg. Pussy Willow. 



Range. — Nova Scotia to Manitoba and south to Deleware, southern Indiana 

 and Illinois, South Dakota (Black Hills), Iowa, and northeastern Missouri. 



NAMES IN USE 



Glaucous Willow (R. I., N. Y., Pa., Silver Willow. 



Miss., Mich., Minn., Ontario). Swamp Willow (N. J.). 



Pussy Willow (general in northern Willow (Vt., N. Y., Mo.). 



United States). Bog Willow. 



Salix discolor eriocephala (Michaux) Andersson. Pussy Willow. 



Salix discolor prinoides (Pursh) Andersson. Pussy Willow. 



m Commonly a shrub and known to be arborescent only in the vicinity of Fort Kent on the St. Johns 

 River, Maine (Sargent). 



« Britton and Shafer (North Am. Trees, 198, 1908) extend the range of this species into Nevada and 

 perhaps also into southern Oregon. 



« Britton and Shafer (North Am. Trees, 197, 1908) extend the range of this species into Illinois, Kentucky. 



