178 TREES AND SHRUBS 



CHOISYA TERNATA (Mexican Orange Flower). 



CISTUS."* These are very fine, and flower for 

 months if somewhat sheltered.' 



CLEMATIS. Of these very charming are alpina* 

 apiifolici) Flammula* her aclece folia, Vitalba* 



COLLETIA CRUCIATA. 



COLUTEA ARBORESCENS and melanocalyx. 



CONVOLVULUS CNEORUM.* Very pretty plant for 

 a south wall ; silvery foliage and white flowers. 



CORNUS (Dogwood). Of these, alba and varieties, 

 Kousa, florida, sanguinea (very ornamental in winter), 

 Mas and m. variegata* (a very choice, variegated shrub), 

 are the best. 



CORYLOPSIS PAUCIFLORA and C. spicata Both do 

 well on a south wall. 



CORYLUS (nut) AVELLANA purpurea.* One of the 

 most effective shrubs if used carefully. 



COTONEASTERS. Of these, buxifolia, Simonsii, thymi- 

 foh'a* microphylla,* horizontalis* (a species with 

 peculiar spreading flat branches, producing a fine 

 effect if grown on sloping banks), are the most note- 

 worthy. 



HAWTHORN. Cratcegus are valuable hardy trees, 

 flowering at the end of June to July ; the scarlet 

 form is brilliant. 



CYTISUS (Broom). Of this beautiful family, albus* 

 Ardoini* biflorus* decumbens* nigricans, prcecox* 

 purpureus* scoparius and varieties,"* are all splendid 

 growers for dry, sunny situations. 



DABCECIA. Polifolia* alba* bicolor* the Irish 

 Heaths, are beautiful in small beds and rockeries. 



