262 BROOM. TAMARISK 



17 /Z7 Twigs neither stout nor milky; leaf -scars 

 and buds small; leaves not lobed; fruit 

 capsular. 



Typical switch-plant, with slender green 

 angular and furrowed twigs; small 

 trifoliate leaves. Flowers yellow pa- 

 pilionaceous ; fruit a legume. 



Sarothamnus scoparius, Koch. Broom (Fig. 131). Besom- 

 like shrub, 3 6 feet, with the long, tough, thin, channelled 

 shoots 5-angled and slightly rough, and passing to greenish- 

 grey, smooth but finely fissured branches. Buds minute, 

 subtended by extremely small rounded leaf-scars. 



Twigs not conspicuously angular nor 

 channelled; leaves simple. Flowers 

 not papilionaceous. Fruit capsular ; 

 seeds small comose. 



Jf Shoots very slender, and densely 

 covered with grey-green scale-like 

 leaves, giving the plant a peculiarly 

 plumose aspect. Twigs and branches 

 reddish to purple-brown. Flowers 

 pink in spikes. 



Tamarix gallica, L. Tamarisk. Often a small tree 

 (see p. 197). 



$ $ Shoots not covered with scaly -leaves, 

 nor plumose. Twigs stiff and erect. 

 Buds with one scale only. Flowers 

 in catkins. 



[For(-^-f-) -i- Osiers i.e. continually cut back to 



see p. 268.] the ground, and sending up new 



shoots to replace those removed; 

 these grow out in all directions, 

 the general effect being like that 

 of a fountain of long withy twigs. 

 All with narrow, more or less 

 lanceolate leaves, and attaining 

 heights of 510 feet. 



