278 
INDEX. 
I. 
Illicium floridanum, culture of, 147 
Impatiens scapiflora, 101, 238 
Improvements in gardens, advantages of design- 
ing them in the early part of the autumn, 191 
Insects which infest stove plants, modes of 
destroying them, 71 
lonopsis utricularioides, 211 
Ipomsea bonariensis, 161 
— Platensis, 234 
Iron inferior to wood for the roofs of plant 
houses, 34 
Ismene Macleana, 210 
J. 
Jasmine, privet-leaved, 15 
Jasminum glaucum, 15 
K. 
Kalmias, directions for forcing, 216 
Kennedia glaberata, 92 
L. 
Larkspur, sapphire blue variable, 233 
— Mr. Barlow's, 265 
Laurus indica, dimensions of a naturalized plant 
of, 12 
Layering shurbs, directions for, 240 
Leaves, an abundance of them an indication of 
the necessity of a large supply of solar light, 
112 
Lebretonia, close proximity of the genus to 
Pavonia, 256 
Leucothoe floribunda, remarks on the hardihood 
of, 94 
Liatris borealis, 27 
Light, its influence on plants, 110, 131, 155, 
179, 203 
Lilium aurantiacum, 189 
— lancifolium album, 188 
— roseum, 188, 267; culture 
of, 267 
— speciosum, culture of, 1 ; propagation 
of, 273 
Lisianthus Russelianus, 17, 189, 260 
Lissochilus parviflorus, 68 
Loasa lateritia, 42, 77, 118 ; culture of, 78 
Lobelia Bridgesii, 185 
— Cavanillesii, 118 
— Drummondii, 238 
— fenestralis, 210 
— heterophylla, 15, 238 
Loelia anceps, 20 
— anceps Barkeriana, 21 
— autumnalis, 236 
Loeligia ornata, 92 
Lophospermum scandens, 63, 259 
Luculia gratissima, treatment of, 21 
M. 
Malva Towardii, 141, 235 
Mammillaria atrata, 65 
— floribunda, 90 
— ■ Lehmannii, 43 
— tenuis, 90 
Mammillarias, mode of grafting, 23, 69 
Manure, means for dispensing with, 239 
Masdevallia infracta, 117 
Maxiilaria aurea-fulva, 18 
— graminea, 163 
— Rollisonii, 186, 260 
— - Stapelioides, 163 
— tenuifolia, 141 
Meadow-sweet, bearded, 15 
Melocactus depressus, 256 
Mentzelia stipitata, 119 
Merendera caucasica, 258 
Mesembryanthemums, directions for planting 
out, 120 ; general remarks on the cultivation 
of, 129 ; great degree of light necessary for, 
134 
Mildew, causes of, and means for removing, on 
heaths, 158 
Miltonia Candida, 236 
■ — spectabiUs, 164 
Miscellaneous greenhouse plants, rem.arks on 
the construction of a house for, 181 
Moisture, consequences of a superabundance of, 
to plants, 207 
Monochanthus, singular facts respecting the 
late genus, 258 
Morna nivea, 42 
Mucuna pruriens, 89, 119 
Myanthus, curious particulars connected with 
the late genus, 258 
N. 
Natural habits of plants, importance of ascer- 
taining and studying the, 113 
.Naturalizing plants, method of, 12 
Nemesia floribunda, 161 
Nemophila atomaria, culture of, 100 
New and rare plants which have flowered in the 
principal nurseries in the vicinity of London, 
19, 67, 9], 117, 139, 163, 187, 211, 235, 259 
New Holland plants, mode of naturalizing, 12 
Nuttallia grandiflora, 165, 217, 235 ; culture of, 
236 
O. 
Oak-tree, curious circumstance respecting an, 
10 
Observation, great importance of, 204 
Oncidium Henchmannii, 20, 2;^7 
— Lanceanum, 163, 237 
— papilio, culture of, 176 
— pulchellum, 164 
— ramosum, 68 
~ raniferum, 210, 237 
■ — Russelianum, 259 
Oncidium, low temperature preferable for the 
genus, 83 
Operations for January, 274 ; February, 24 ; 
March, 47 ; April, 71 ; May, 95 ; June, 
