EFFECT OF FROSTS OF WINTER OF 191 6-17 ON VEGETATION. 41 7 
Cephalotaxus drupacea. U. Aldenham. 
Ceratonia Siliqua. K. Abbot sbury 15 ; B. Leonardsleej 3. 
*Ceratostigma Willmottianum. S. Enfield \ 2 ; U. Kew. 
Cercidiphyllum japonicum. B. Stevenage ; U. Aldenham, Enfield. 
*Cercis chinensis. B. Nymans 2 ; S. Aldenham, Lanarth ; U. 
Leonardslee 4. 
*C. racemosa. U. Lanarth (15 feet by 8 feet). 
Cestrum aurantiacum. K. Abbotsbury ; U. Bosahan. 
C. elegans. K. Abbotsbury ; G. Wakehurstf 7 ; B. Rostrevor. 
C. fasciculatum. B. Headfort ; S. Rostrevor. 
C. Newellii. K. Abbotsbury, Nymans 6 ; G. Lanarth (also B.) ; 
S. Rostrevor. 
C. Par qui. K. Glasnevin ; G. Enfield ; B. Rostrevor. 
C. vespertinum. K. Abbotsbury. 
Chamaerops humilis. B. Guildford 20 (thatched) , Wakehurst (open), 
S. Hayling Island 5 ; U. Bosahan. 
Cheiranthus vars. K. and B. Hever. 
Chilianthus oleaceus. B. Rostrevor. 
Chimonanthus fragrans. B. Crowsley ; U. Aldenham, Enfield. 
Choysia ternata. K. Aldersey (older plants S.), Hever 7 (also B.), 
Stow (old plants) ; G. Chipping Norton 20, Colesborne, Hitchin 
9 (open to N.), Romford, South Molton, Wye ; B. Aldenham 
(also S.), Glasnevin, Headfort, Hever, Hitchin 5 (open to S.), 
Oxon ; S. Aldersey (old plants), Burnham 10, Enfield 20, 
Hayling Island 8, Mangotsfieldf 5, Monmouth 7, Nymans 6, 
Slough 2, Uckfield 7. 
Chrysanthemum nipponicum. K. Grinstead. 
Cineraria Heritieri. K. Rostrevor (others U.), 
C. maritima. B. Grinstead. 
Cinnamomum Camphora. U. Rostrevor. 
C. officinarum. K. Rostrevor. 
Cistus. K. Bettws (a few old plants) , Colesborne (nearly all species) , 
Gatton (most), Grinstead (many), Kew (all except laurifolius, 
cyprius, Corbariensis,* and Loreti) , Wakehurst (except cyprius, 
ladaniferus, and purpureus) . 
C. albidus. K. Headfort, Stevenage 10, Wisley 5. 
C. corbariensis. K. Aldenham (also B.), Tortworth 3 ; B. Wisley, 
Enfield ; S. Kew. 
C. cyprius. B. Aldersey 6 (also S.), Lanarth ; S. Kew, Woodbridge 6 ; 
U. Woodbridge 1 and 2. 
C. florentinus. K. Aldenham, Aldersey, Enfield, Harrow 4 (one 
plant B.), Nymans 6, South Molton 5, Slough 2 ; G. Lyndhurst 
10, Oxon ; B. Epping, Stow 5, Wisley 1-9. 
C. hirsutus. K. Aldenham, Enfield. 
C. ladaniferus. K. Aldersey, Wisley 1-10 ; B. Aldenham, Dorking 
10 ; U. Wisley (small plants in pots) . 
Chionanthus retusus 
C. virginicus. 
