MISSOURI BOTANICAL GARDEN BULLETIN 25 



Approx. 

 Common Approx. Color of time of Habitat 



Botanical name name height flowers bloom 



Salix incana Willow 15-25' . . Incon- 

 spicuous Europe 



Sambucus nigra European 



elder 15-25' . .White. ..May-June Europe 



Sambucus nigra var. 



aurea Yellow 



foliage 



Sambucus nigra var. 



laciniata Cut- 

 leaved 

 foliage 



TREES FOR WATERSIDE PLANTING 



Alnus glutinosa Black alder... 50-70'.. Incon- 

 spicuous '. .Europe 



Betula alba and va- 

 rieties European 



white birch. 60-80'.. Incon- 

 spicuous Europe, Japan 



Betula Ermanii Erman's birch. 40-60'.. Incon- 

 spicuous Asia, Japan 



Betula Maximovyiczii. Birch 80-90'.. Incon- 

 spicuous Japan 



Carpinus Betulus . . . .European horn- 

 beam 60-70'.. Incon- 

 spicuous Europe, Persia 



Populus alba White poplar. . 100-120'.Incon- 



spicuous Europe, Asia 



Populus laurifolia Certinensis 



poplar 80-100'.Incon- 



spicuous Siberia 



Populus nigra Black poplar . . 100-120'. Incon- 

 spicuous Europe, Siberia 



Populus tremula European 



aspen 50-60'.. Incon- 

 spicuous Europe 



Sulix babylonica and 



varieties Napoleon's 



willow 30-40'.. Incon- 

 spicuous Caucasus 



Salix elegantissima . . Thurlow's 

 weeping 



willow 30-40'.. Incon- 

 spicuous Japan 



