205 
Salix cordata var. rigida. EAsTERN HEART-LEAVED WILLOW. 
Location: Salicetum. 
Natural peal New gaia to Pennsylvania. 
Salix disc Pussy WIL 
Locatio: cetum. 
Natural aa Northeastern North America. 
Salix elegantissima. THURLOW’s WEEPING WILLOW. 
Location: Salicetum. 
Natural distribution: Japan. 
Salix Fendleriana. FENDLER’s WILLOW. 
ocation: Fruticetum. 
Natural Fees Rocky Mountain region. 
Salix Forbiana. Forsy’s WILLow 
Location: Fruticetum 
Hybrid 
y. : 
Salix fragilis. BritrLe WILLow. 
ocation: Salicetum. 
Natural dination: Europe and northern Asia 
Salix glaucophylla var. angustifolia. Narrow GLaAucous- 
LEAVED eee 
Location cetum. 
Natural oe ee North nae 
Salix gracilistyla. THUNBERG’S WIL! 
Location: Fruticetum. ta ze of Aquatic Garden. 
Natural distribution: aoe , Korea, and Manchur 
Salix hexandra. EHRHART’s WILLOW. 
ice 
ope. 
Salix holosericea var. ferruginea. SMmiTH’s BRowN WILLOW. 
ocation: Frut m. 
Natural eee Europe and Asia Minor. 
