276 
INDEX. 
Cattleya Harrisonise ; var. alba, 188 
— Mossias, var. 260 
Ceanothus coUinus, 140 
Ceropegia vincaefolia, 162 
Chorizema varium, 115; culture and propaga- 
tion of, 176 
Clirysorrhoe nitens, 258 
Cineraria Waterhousiana, 260 
Cinerarias, plants called hybrid, belong to tlie 
genus Senecio, 42 
Cleisostoma rosea, 189 
Clematis caerulea, culture of, 116 
— Sieboldii, hardihood of, 117 
Clematis, grafting the species of, recommended, 
119 ; the species adapted for attaching to the 
stems of trees and shrubs, 14 
Clerodendron squamatum, 164 
Climate, its influence on plants, 33, 59, 84, 
107, 132, 155, 181, 204 
Climbing plants, time and mode of pruning and 
training exotic, 210 ; method of training some 
of the hardy-kinds to poles, 13 ; circular trel- 
lises most suitable for supporting, 118 ; their 
natural habitats, 14 
Coelogyne Gardneriana, treatment and propaga- 
tion of, 73 
Coelogyne ocellata, 69, 92 
— Wallichiana, general culture of, 25 
Collinsia heterophylla, 18 
Cold, its nature explained, 37 
Comesperma gracilis, 43 
Comparettia coccinea, 19 
Conduction cf heat, capacity of several sub- 
stances for the, 36 
Constitutions of plants generally similar, 85 
Convolvulus bryonigefolius, 260 
— pentanthus, 219 ; culture and mul- 
tiplication of, 220 
Corbularia tenuifolia, 91 
Corn-flag, branching, 99 
Correea cordata, 21 
— Milnerii, 21 
— rufa, 260 
Coryanthes maculata ; var. Parkeri, 212 
Cow Tree, account of the, 113 
Cultivation of plants, the old system compared 
with the modern, 249 
Cuticle of plants, tissue of which it is composed, 
180 
Cycnoches ventricosum, 189 
Cymbidium iridifolium, 261 
Cynoglossum coelestinum, 163 
Cyrtochilum mystacinum, 258 
D. 
Daphne indica ; var. rubra, 261 
Baubenya fulva, 235 
Decomposition caused by heat, 33, 34 
Dendrobium, culture of the genus, 50 
— divisions of the genus, 145 
— aggregatum, 145 
— aureum ; var. pallidum, 90 
— Cambridgeanum, 265 
— chrysanthum, 213 
Dendrobium crumenatum, 90 
— formosum, 49 
— Jenkinsii, 163 
— longicornvi, 21 
— macrochilum, 91 
— nobile, 44 
— Paxtoni, 169 
— pulchellum, 91 
— sulcatum, 19 
— teretifolium, 70 
Deutzia canescens, 70 
Developments of plants not fortuitous, 58 ; in- 
duced by heat, 84 
Dews, origin of, 35 
Diary, its value to a young gardener, 230 
Dillwynia speciosa, 116 
Diplacus puniceus, 140 ; culture of, 222 
Duramen, explanation of the word, 57 
E. 
EcHiTES suberecta, 165 
Eclipse of the sun, account of its effects oa 
flowers, 10 
Economising heat, modes of, 274 
Edwardsia Macnabiana, 162 
Epacris coccineus, 70, 123 
— impressa ; var. parviflora, 89 
Epidendrum diceratum, 91 
— lentiginosum, 22 
— macrochilum, 44 
— Schomburgkii, 70 
— stenopetalum, 236 
Epimedium Musschianum, 185 
Epiphyllum Russellianum, 88 
Eria callosa, 139 
— ferruginea, 139 
Erica tricolor ; var. superba, 3 
Erysimum Perowskianum, 165 ; culture and mul- 
tiplication of, 246 
Evaporation occasioned by heat, 86 
Exhalations from plants, their causes, channels, 
and consequences, 86 
Exogenous plants, general features of, 178 
Exotic plants, importance of uniformity in the 
system of treating, 167 ; necessity for ar- 
ranging them at a proper distance from each 
other, 119, 263 
Exotic shrubs multiplied by grafting, 93 
Experiments, value of, 233 
F. 
Fab IAN A imbricata, 141 
Fertility of plants occasioned mainly by heat, 
132 
Flowering plants, rules for determining the 
merits of, 66 
Flowers, distinct organs, 132 ; influence of heat 
in their production, 132 ; suggestions for 
promoting their formation and development, 
134; their size, form, and colour, the chief 
criteria of beauty in plants, 67 
Fluids, heat principally instrumental in the 
