TREES AND SHRUBS 



A deciduous tree, 15-20 ft; Branches terete. 

 Introduced from Europe about 1596. 



LABURNUM, Laburnum vulgare. 



Parks and gardens. This species and its varieties are common in town 

 gardens. It will readily propagate itself by seed. April — June. 



Flowers yellow, papilionaceous, proterandrous, nearly 1 in. long, visited 

 by bees ; Inflorescence a pendulous terminal raceme ; pedicels pubescent ; Calyx 

 shortly toothed, pubescent ; standard of Corolla veined with dark lines ; 

 Stamens monadelphous ; Style ascending ; Fruit a legume, downy ; upper suture 

 thickened and keeled, but not winged ; green, becoming black ; seeds 2-7, 

 kidney-shaped, poisonous. 



Leaves trifoliate, petiolate ; leaflets ovate-lanceolate, entire, pubescent 

 beneath, acute or mucronate ; stipules small, filamentous, persistent. Autumn 

 tint yellow. 



A deciduous tree, 20-25 ft. ; Branches terete, whitish ; Bark smooth, 

 grey-green, poisonous to cattle, but eaten by rabbits ; Twigs olive, smooth, 

 silky Lcnticels conspicuous ; Buds silky, scales few ; Wood hard, dark, coarse- 

 grained, taking a good polish ; sap-wood yellow, heart-wood yellow-brown, 

 greenish-brown to black ; used in turnery and cabinet-work. 



A native of S. Europe ; introduced 1596. Foliage destroyed by larva of 

 Laburnum Moth (Gemiostema laburnella) ; also subject to Laburnum Leaf-spot 

 ( Pli if/lost icta Cijtisi) . 



MOUNT ETNA GENISTA, Genista cethnensis. 



Gardens. A handsome species, well suited for groups or in borders. The 



genus Genista contains about a dozen hardy flowering shrubs. They thrive 



in almost any well-drained soil, and are easily raised from seed sown outdoors 



in March or April. The dwarf species do well on rockeries, and the taller 



are suitable for shrubberies. June — August. 



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