Trees, Shrubs, and Woody Climbers 13 



can Mock Orange, recognized by its glossy-green ternate leaves and pure- 

 white sweet-scented flowers in April and May. Raised from cuttings and 

 layers. 



Cistus (RocK ROSE). Several species are grown, although they are 

 suitable only for the milder parts of the kingdom. The flowers, although 

 fleeting in character, are produced so profusely in succession that the 

 bushes appear to be always in bloom during the season from May to 

 July. Propagation by seeds, layers, and cuttings. The kinds mostly 



a 



Fig. 418. Chaisya ternata 



Fig. 419. Cistus ladaniferus 



grown for sale in pots are ladaniferus, the Gum Cistus (fig. 419), 4 ft., 

 with narrow clammy leaves and white flowers, which in the variety 

 maculatus have a purple blotch at the base of the petals; laurifolius, 

 5-6 ft., with ovate lance-shaped leaves and white flowers with yellow 

 blotch at base of petals; lusitanicus, 3-5 ft., flowers white, blotched with 

 purple at base; monspeliensis, 4 ft., with yellow blotch at base of white 

 petals. The variety florentinus has wrinkled leaves, and white flowers 

 yellow at the base and tipped with rose. Other species are Cyprius, 

 incanus (or villosus), populifolius, purpureus, salvifolius, &c. 



Cladrastis tinctoria (Virgilia lutea). A small North American Legu- 

 minous shrub with drooping racemes of white pea-shaped flowers in May. 

 Increased by seeds and cuttings of the roots. 



Clematis. Although there are over forty species of Clematis known, 



