Trees 155 



green bark in winter; var. aurea has yellow bark. Best effect when 

 planted on margins of water. In extreme North, plant var. dolorosa. 

 The upright willows look much alike, but are good for quick effect 



as screens to be cut out later. , PUSSY (S. discolor). 20 feet. 



Thrives equally on wet or dry ground. , ROSEMARY (S. incana). 



With narrow leaves, white underneath, giving gray effect. Grafted 

 on hardy stock is an effective small lawn specimen, usually used as 

 shrub. 



YELLOW WOOD (Cladrastis tinctoria, Virgilia luted). 50 feet. White. 

 June. Fragrant flowers, like a white wistaria, lasting several days. 

 Sought by bees. Hardy in Canada. Gray beech-like bark. Shy 

 and intermittent bloomer except in South. Fruits hang on all 

 winter. 



YULAN. See MAGNOLIA. 



DECORATIVE EVERGREENS FOR GARDEN USE 



ADAM'S NEEDLE (Yucca filamento so). See HERBACEOUS PLANTS, p. 229. 



ANDROMEDA. See ROSEMARY, WILD, and FETTER BUSH. 



ARBORVITAE (Thuya occidentalis). Up to 40 feet. Best orna- 

 mental evergreen of moderate height. Excellent as hedge, 

 screen, windbreak, or specimen. Foliage brownish green, becom- 

 ing darker with winter. Give good soil and not too dry. 

 The Siberian variety, (var. Ware ana?) is narrower, denser and 

 better coloured in winter. There are many varieties, the most 

 important being "George Peabody," orange yellow, useful for 

 bedding, and var. globosa, dwarf, less than two feet high. 

 Bright green. 



AZALEA, SHOWY (Azalea amcena). 2 feet. Low, dense bush. Leaves 

 become rich bronze in winter. Somewhat resembling boxwood, 

 the leaves being of same size. Flowers rosy purple,, completely 

 obscuring foliage. May. Isolate. The most floriferous ever- 

 green. Useful for hedges or for massing with rhododendrons that 

 do not bloom at same time. Peaty soil. Give protection from 

 severe winds. 



BAY, BULL (Magnolia grandiflora). 80 feet. Pyramidal habit. Leaves 

 thick, leathery, glossy dark green, reddish brown underneath. 

 Most important evergreen tree of the South. Doubtfully hardy 



