278 
INDEX. 
Oncidium iridifolium, 19, 95 ; leucochilum, 
21, 213 
Oncidium Lanceanum, 21, 95, 133, 166, 169 ; 
culture of, 170, 236 
Oncidium crispatum, 42 ; cebolleti, 44 ; luridum, 
45, 71, 95 
Oncidium ampliatum, 45 ; lunatum, 66 ; pul- 
chellum pictum, 70 
Oncidium citrinum, 77 ; papilio, 118 ; divari- 
catum, altissimum, 119; pumillum, 137; 
ornithorhynchum, 166 
Operations for February, 23 ; March, 48 ; 
April, 72; May, 96; June, 120; July, 144; 
August, 168 ; September, 192 ; October, 216 ; 
November, 239 ; December, 264 ; January, 274 
Orange trees, to be started, 72, 144, 192 
Orchidese, cultivation of, as practised by Messrs. 
Rollinson, Tooting, 45 
Orchideffi, shading suitable for, 134 
Ornamental plants, to be propagated, 96 
Ornithogalum latifolium, 189 
Oxalis acetosella, its presence an indication 
of the presence of iron, 9 
Oxalis alba, 210 ; Barlerii fruticosa, 133 ; 
bipartita, divergens, 210 
Oxalis versicolor, 44 
P, 
Pancr A.TIUM calathinum, 53 
Passiflora Kermesina, 45, 71 ; Loudoniana, 45 
Pavetta Caffra, 136 
Pelargonium, cuttings to be put in, &c, 48, 
120, 168 
Pentstemon heterophyllum, 16 ; various-leaved, 
16 ; latifolium, 21 ; breviflorus, 88 ; Scholeri, 
133; Cobsea, 165, 243, Murrayanus, 167, 
213 ; gentianoides, 213, 265 
Pereskia aculeata, 64 ; Bleo, 70 
Peristeria cerina, 117, 132 
Petrea Stapelsise, 199 
Phajus albus, 166 
Pharbitis diversifolia, 209 
Philibertia gracilis, 234 ; grandiflora, 260 
Philadelphus speciosus, 259 
Phlox Drummondii, 211 ; cordata grandiflora, 
191 
Physostegia truncata, 237 
Pigmy Oncidium, 19 
Pinks, to be fumigated, &c, 24; propagation, 
120, 144 
Pitcher Plant, culture of, 1 ; contents of 
pitchers, 3 
Pit-coal, 57 
Plants, planted out with a view to endure the 
open air, 120 
Plants in pots, and management of cuttings, 225 
Platystemon Californicum, 136, 189 
Platystigma lineare, 115 
Plemothalis saurocephala, 164 
Podolobium staurophyllum, 171 
Poinsettia pulcherrima, 97 
culture of, 98 
Polyanthus, seed to be sown, 48 ; potted, 96, 
120 
Polygala myrtifolia ; var. grandiflora, 260 
Potentilla Thomasii, 41, 211 ; Hopwoodiana, 
211 ; formosa, 191 ; Garneriana, 165 
Power of soils, to absorb water from, 11 
Primula Sinensis, 21 ; venusta, 188 
Productiveness of soils, 11 
Psoralea orbicularis, 163 
R. 
Rabbit Berry, culture of, 106 
Ranunculuses, to be planted, 48 
Rauch, M. F., on Euphorbia fulgens, 32 
Rehmannia Chinensis, 135 
Remarks on the genus Hoya, 13 
Renanthera coccinea, 49 ; culture of, 50 
Rhodanthe Manglesii, 94 
Rhododendron Cunninghamii, 71 ; arborea, 71, 
130 ; cinnamomum, 95 ; multimaculatum, 
133 ; Phoeniceum ; var. splendens, 137 ; 
arborea; var. cinnamomum, 188 
Rhodora Canadense, 70 
Robinia Pseudo -acacia, 143 
Rockets, &c, 144, 192 
Rondoletia odorata, 21 
Rosa lutea; var. plena, 16 ; Sinica, 41 ; Indica ; 
var. Blairi, 260 
Roses, to be fumigated, 24 ; to be taken up, 144 
— forced, 70 ; budded, 144 
Russelia juncea, 79 
S. 
Saccolobium prsemorsum, 94, 119 ; guttatum, 
119 
Sarcanthus teretifolius, 117 
Sarracenia, new species of, noticed, 21 
Sceptrum-flowered Gesneria, 116 
Schizopetalon Walkeri, 136 
Scottia lsevis, 44 
Sea-coal, 57 
Sedum coeruleum, 132 
Sellow's Gesneria, 27 
Serpent-like Cereus, 89 
Shepherdia argentea, culture of, 106 
Short-spurred Tropseolum, 41 
Shrubs, forcing of, 24 
Siebold's Clematis, 147 
Silene chlorsefolia, 209 
Silphium terebinthaceum, 17 
Single-winged Begonia, 89 
Sinningia villosa, 190 
Siphocampylos bicolor, 163, 195 
Snow-white Burlingtonia, 42 
Soils, improved by pulverisation, 12 
— definite appropriate terms indispensable, 
228 
Soils, admission of air &c. tends to improve, 12 
— improved by adding to, 13 
— effects of burning, 13 
— prepare, 24 
Solanum Herbertia, 119 
Sophronitis cernua, 236 
Sparmannia Africana, culture of, 204 
Spartium acutifolium, 163 
— junceum; var. odoratissimum, 163 
