278 
INDEX. 
Lselia autumnalis, 121 
— furfuracea, 114 
Lselias, culture of, 122 
Landscape gardening, how to obtain a know- 
ledge of its principles, 232 ; instructions in, 
with reference to trees and shrubs, 82 
Leonotis nepetsefolia, 18 
Lepismium commune, 257 
— myosurus, 233 
Leycesteria formosa, 18 
Liber, origin and application of the phrase, 57 
Light, artificial, its operation on flowers similar 
in kind to that of the sun, 1 1 
Lilies, general culture of the Japan species, 128, 
189 
Lilium aurantiacum, 127 
— lancifolium roseum, 189 
Linnsean system of botany, relative value of the, 
129, 225, 228 
Linum trigynum, 22 
Lisianthus Russellianus, general cultivation of, 
31 
Literary composition, its importance to gar- 
deners, 209 ; directions for acquiring adroit- 
ness in, 209 
Loasacese, characteristics of the natural order, 
226 
Loasa lateritia, its treatment in the open border, 
252 
Lobelia heterophylla, management of, 198 
— ignea, 165; cultivation and increase of, 
248 
— Milleri, 166 
— ramosa, 166 
Lophospermum erubescens and scandens, treat- 
ment in the open border, 251 
Lupinus Barkerii, 234 
— Hartwegii, 138 
Lycopodium stoloniferum, useful for protecting 
the roots of OrchidaceEe, 266 
M. 
Mallow, showy red-flowered, 16, 55 
Malva Creeana, 16 ; culture of, 55 
Manglesia purpurea, 259 
Marica gracilis, 68 
Marshallia csespitosa, 17 
Mats, or other covering to plant-houses, why 
preferable to the introduction of fire-heat, 109 
Maturation of wood indispensable to fertility, 157 
Maurandya Barclayana, treated as a half-hardy 
plant, 252 
Maxillaria aureo-fulva, 22 
— lentiginosa, 190 
— tenuifolia, 42 
— vitellina, 69 
Mental improvement of gardeners, hints on the, 
207, 230 
Metals, imperfect radiators, but rapid con- 
ductors of heat, 36 
Miltonia Candida, 241 ; culture of, 242 
Moisture, quantity supplied to plants to be re- 
gulated by the temperature, 48 ; relative pro- 
portion to heat in which it should exist, where 
flowers or seeds are desired, 133 
Moon, suggestions concerning the abstraction 
of heat by the, 37 
Morna nitida, 141 
Mountains, varied temperature^ and vegetation 
of, according to their elevation, 181 
N. 
Names of plants, objections to commemorative 
ones, 51 
Native countries of plants, a knowledge of their 
medium, extremes, and monthly variations of 
temperature, essential to the cultivator, 60 
Natural system of botany, its merits considered, 
129, 225, 228 ; its rudiments and prime divi- 
sions, 177 
Nelumbium luteum, 233 
Nuttallia cordata, 237 
— malvseflora, 190 
— papaver, 173; treatment of, 174 
Nuytzia floribunda, 259 
O. 
Observation, importance of, 230 j subjects 
for, 230 
Odontoglossum Rossii, 212 
CEnothera parviflora, 190 
Oncidium Cavendishii, 45 
— concolor, 212 
— Forbesii, 43 
— Henchmanii, 238 
— hians, 262 
— lunatum, 45 
— luridum ; var. guttatum, 69 
— pulvinatum, 141 
— Reidianum, 141 
— roseum, 214, 238 
— sanguineum, 238 
— stramineum, 92 
— trulliferum, 190 
Operations for January, 274 
— February, 23 
— March, 47 
— April, 71 
— May, 95 
— June, 119 
— July, 143 
— August, 167 
— September, 191 
— October, 215 
— November, 239 
— December, 263 
Orchidaceae, season of rest necessary for, 50 ; 
their nature, 157 ; proper time for their repose, 
107 ; best mode of shading, 168 ; kind of logs 
most suitable for growing the epiphytal spe- 
cies on, 266 ; necessity for a pit in which to 
keep particular sorts, 216, 256 ; uniformity 
of treatment necessary for, 255 ; preparatory 
procedure requisite for their introduction to 
drawing-rooms, 254 ; their general period of 
flowering, 255 
Orchidaceous-house, stained glass suggested as a 
fit material for glazing the, 12 
