GENERAL INDEX. 
279 
39 ; to confine their roots in compartments, 
40 ; bottom-heat to the roots of, 40 ; to cul- 
tivate in pots, 41 
Passiflora aurantia, 44 
Peat, description of, 227 
Pentstemon gentian oides, var. diaphanum, 93 
Peristeria Humboldtii, var. fulva, 117 
Phsedranassa chloracra, 93 
Phlomis cashmeriana, 116 
Phlox Drummondii alba, 142 
— varieties, 191 
Phyllarthron bojerianum, 164 
Physianthus auricomus, 46, 166 
Pimelea affinis, 166 
Plantations, the effect of, to observe, 215 
Planting, points necessary to attend to in, 264 
Plant-houses, heat and dampness to avoid in, 
264, 240 ; light and air to admit to, the ad- 
vantage of, 240 
Plants, in drawing-rooms and plant- cases, 108 ; 
suitable for rockwork in stoves, &c, 131 ; in 
what the ashes of consist, 204 ; injured from 
their pots being exposed to bright sun, 1 36 ; 
to obviate, 137 ; value of moist atmosphere 
for, 81 
— separate structures for different, 161 ; 
utility of, 162 ; greenhouse, description of pit 
for, 162 
— growing on the conservative wall at 
Chatsworth, list of, 63 ; additional recom- 
mended, 64 
Pleroma, Mr. Kunth's, 125 
— Kunthiana, 125 ; kind of treatment 
required for, 126 
Pleroma Benthamiana, 125 
Pleurothallis bicarinata, 45 
Poiretia linearis, 75 
Polystachya bracteosa, 117 
Porphyrocome lanceolata, 94, 1 89 
Potentilla bicolor, 261 
Pronaya, elegant, 99 
— elegans, 99 ; to treat suitably, 100 
Propagation, hot water to produce bottom-heat 
for, 11 
Prostanthera lasianthos, 143 
. R. 
Reviews of Mrs. Loudon's " Lady's Country 
Companion, or How to Enjoy a Country 
Life Rationally," 138 ; of George H. John- 
son's, Esq., " The Principles of Practical 
Gardening," 139 ; of James Lothian's " Prac- 
tical Hints on the Culture and General 
Management of Alpine or Rock Plants," 236 
Rhus diversiloba, 164 
Ribes sanguineum fiore-pleno, 121 ; valuable 
properties of, 122 
Rockeries, the formation of, 87 ; their suitable- 
ness for many plants to grow upon, 88 
Rocks and rock-plants, 86, 129 
— on introducing into the conservatory and 
stove, 129 ; most suitable material for form- 
ing, 130 
Rondeletia speciosa major, 47 
Ruellia lilacina, 94, 243 ; its cultivation, 244 
Ruellia lilac-flowered, 243 
Russelia floribunda, 190 
S. 
Sage, azure -blue flowering, 31 
Salpichroa glandulosa, 166 
Salpixantha coccinea, 117 
Salvia azurea, 31 ; to increase the usefulness 
of, 32 
Salvia elata, 31 
— acuminata, 31 
— longifolia, 31 
— mexicana, 31 
— angush 'folia, 31 
— acuminatissima, 31 
Sceevola attenuata, 262 
Schomburgkia undulata, 239 
tibicinis, var. grandiflora, 141 
Selago distans, 189 
Sida graveolens, 21 
Sida asiatica, 21 
— hirta, 21 
— graveolens, 21 
— indica, 21 
Siphocampylus coccineus, 167, 173 ; favourable 
situation for, 174 
Siphon-flower, scarlet, 173 
Slate, for horticultural purposes, 36 ; as plant- 
boxes, 36 ; for various other purposes, 38 
Smeathmannia laevigata, 262 
Soils, investigation of, 225 
Solanum macranthum, 45 
Spathoglottis Fortuni, 94 
Speedwell, Dr. Lindley's, 247 
Spiraea Lindleyana, 141 
— Mr. Douglas's, 195 
— Douglassii, 195 ; valuable as a late 
flowering plant, 195 
Spirantliera Fraseri, 99 
Stanhopea Bucephalus, 117 
Stapelia cactiformis, 21 
Statice % 167 
— Fortuni, 261 
— macrophylla, 21 
Statice cephalotes, 18 
— armeria major, 1 8 
Stephanotis Thouarsii, 167 
Strelitzia augusta, 1 64 
Styphelia, tube-flowered, 29 
— tubiflora, 29 ; valuable as a winter 
flowering plant, 29 ; proper management 
of, 30 
Syringa Emodi, 22 
T. 
Tacsonia mollissima, 239 
Tank for bottom-heat, efficient one described, 
106 
Tachia longifolia, 164 
Tasmannia aromatica, 189 
Temperature, high night, injurious to plants, 106 
Templetonia glauca and retusa, their manage- 
ment, 111 
Tetranema mexicana, 190 
The Planting season, 254 ; when to plant, 255 ; 
