116 



DESCRIPTIONS OF THE SHRUBS 



D. Leaves deciduous, blades ^1 inch long ; branches round, pubes- 

 cent ; racemes slender, — 3-8 inches long, June, July ; hardy to 

 middle states. Black-rooted Broom — Cytisus nigricans. 



D. Leaves deciduous of one lanceolate blade ; branches grooved, 

 green; flowers small. In early summer ; plant 1-2 feet. Whin or 

 Dyer's Gkeeitweed (129) — Genista tinctbria. 



D. Leaves almost entirely absent, found only on vigorous shoots 

 near the ground ; very spiny and rigid shrub ; flowers fragrant, 

 f inch long ; calyx 2-lobed. Furze or Gokse (127) — Ulex 

 europfens. 



Laburnum. The Golden Chains are rather trees than shrubs but in 

 the North they are apt to- grow somewhat bushy. They receive their 



Fig. 134. — Scotch Laburnum. 



Fio. 135. —Golden Chain. 



common name from the slender drooping clusters of large, generally yel- 

 low, pea-like flowers in late spring. The leaves are compound of 3 oblong 

 usually entire-edged blades. The pods (2 inches long) are hairy with one 

 thick edge and black or brown seeds. The tallest of these plants is the 

 Scotch LABrRNUM (134) — Laburnum alplnum, — which grows occasionally 

 to the height of 30 feet with late flowers (June) and brown seeds. 

 The commonest species in cultivation is Goldex Chain or Bean Tree 

 (135) — Laburnum vulg^re, — which grows to the height occasionally of 20 



