T T 7AHLENBERGI A. [Campanulaceae.] Hardy or half- 



V V hardy perennials and annuals. The latter should be 



sown in heat in March, and potted or planted out to flower ; 



the former increase by division or seeds. Soil, sandy loam. 



Wall-Cress. See Arabis. 



Wallflower. See Cheiranthus. 



Walnut. See Juglans. 



Water-Lily. See Nymph^a. 



Water-Plantain. See Alisma. 



Water-Reed. See Arundo. 



Weigela. [Caprifoliaceae.] Ver)' handsome hardy de- 

 ciduous shrubs. They are free-growing, striking readily from 

 cuttings or from layers, and grow vigorously in good garden 

 soil. The blossoms, at first white, but changing to rose- 

 pink, are produced, generally in great profusion, in spring. 



IV. amabilis (lovely) ; hardy shrub ; 3 feet ; flowers pink, in 

 May; Japan; 1852. W. rosea (rosy); hardy shrub; 3 feet; 

 flowers pink, in May; China; 1844. ^- Middendorffiana ; 

 hardy shrub ; flowers white, shading to pale-yellow, spotted with 

 carmine ; south of Russia ; 1856. 



There are other species, and a variety with variegated 

 foliage. 



Washingtonl\. [Coniferae.] A magnificent hardy ever- 

 green tree. Soil, loam. Increased by seeds. This tree 

 will survive as far north as Massachusetts. 



W. gigantea (gigantic) ; hardy evergreen tree ; 200 feet ; flow- 

 ers deep purple, in July ; CaUfornia ; 1844. 



Z17 



