GENERAL INDEX. 
301 
stacles which prevent the proper, 
xiii. 181; the little fluid neces- 
sary for, xiii. 183 ; the best 
erection for, 184 
Primroses, double crimson, double 
white, hi. 93 
Primula vulgaris, i. 108 ; sinensis, 
i. 181, ii. 120 ; to be potted, iii. 
96 ; sibirica integerrima, iii. 1 8 ; 
auricula, var. Achilles, iii. 18, 
192; sinensis, iv. 21; venusta, 
iv. 188 ; sinensis, var. plena, vi. 
262, viii. 273, ix. 23 ; denticu- 
lata, ix. 191; involucrata, xiii. 
141 ; Chinese, xiv. 135 ; insects 
infesting, xiv. 168 ; sinensis, xiv. 
135 
Procrastination, evils of, in gar- 
dening, ix. 23 
Productiveness of soils, iv. 1 1 
Pronaya, elegant, xii. 99, xv. 258 
Propagation, period at which it is 
usually performed, vii. 72 ; by 
grafting, vii. 201; rationale of 
the process, vii. 202 ; its appli- 
cation and usefulness, vii. 203 ; 
most appropriate system, vii. 
204, viii. 48 ; of exotics, ix. 96 ; 
of border plants, xi. 168 ; hot 
water to produce bottom-heat 
for, xii. 11; iii. 22, v. 48, 168, 
255, vi. 72, 144, 192 ; likely 
manner in which the common 
methods originated, vii. 201 ; of 
hardy shrubs, vii. 23 ; tender 
plants for the borders, ix. 24, 
72, 168 ; ix. 96, x. 96, xiii. 160 
Prostanthera lasianthos, xii. 143 
Proteaceee, ii 209 
Pro tea, culture of the genus, i. 231 ; 
ii. 88, 120, 144 
Protection of plants in winter, ii. 
216 ; tent, strictures on a, v. 
249; in the winter season, v. 
249, 263 ; rules to be observed 
in the, vi. 108 ; of plants, prin- 
ciples by which it should be re- 
gulated, vii. 132, 133 ; mode of 
applying it to borders containing 
exotics, viii. 15 ; for tender 
shrubs, viii. 63, 240; injurious to 
half-hardy shrubs when conti- 
nued too long or too constantly, 
viii. 64 ; ix. 24, 274, xi. 24,216, 
239 
Pruning growing exotics, essay on, 
ix. 35 ; evergreens and deciduous 
shrubs, ii. 216 
Pruning and training plants to 
form standards, xi. 14 ; to be 
commenced at the earliest period 
of growth, xi. 16 ; removing 
rudimentary laterals, xi. 17 ; 
cutting back the main shoots, 
xi. 17 ; application to various 
species, xi. 19 ; the advantages 
of, on plants of straggling ha- 
bitude, xi. 40 ; remarks on sum- 
mer, xi. 95 ; objections against 
late spring, xi. 47 ; reasons for 
performing it on hardy plants 
in November, xi. 250 ; origin 
and primary application of, vii. 
11 ; chiefly necessary for hy- 
brids, vii. 11 ; few genuine 
species require it, vii. 11 ; time 
for effecting it ou hardy shrubs, 
vii. 23 ; errors in its practice, 
vii. 23, viii. 264 ; growing ex- 
otics, essay on, ix. 35 ; rationale 
of the plan, ix. 38 ; general re- 
marks on, ix. 264 ; evergreens, 
advantage of doing it partially 
in the summer, x. 167 ; substi- 
tution of disbudding for, x. 65; 
and training, xiii. 135 ; exten- 
siveness of field for the practice 
of, xiii. 136 ; the best season to 
practise, xiii. 138 ; objects of, 
xiii. 138, xiv. 136 
Prussic acid, effects of, on plants, 
i. 31 
Pseudo-bulb, definition of the term, 
v. 245 
Psidium Cattleyanum, i. 119 ; low 
temperature not injurious to, v. 
252 
Psoralea orbicularis, iv. 163 
Pterocarpus santolinus, xv. 110 
Pterodiscus speciosus, xi. 215, 236 
Pterophorus rhododactylus, xiv. 72 
Prerostigma grandiflorum, xiii. 70 
Pterostylis concinna, ii. 79 : acumi- 
nata, ii. 79 
Puitenea juncea, xiv. 123 
Pulteney, Dr., opinions on the 
Ranunculus aquatilis by, i. 42 
Pump, Lucas's self-acting, i. 156 
Punica, xiv. 34 
Puya ceerulea, vii. 42 ; heterophylla, 
viii. 21 ; Altensteinii gigantea, 
xiv. 189 
Pyrus, ii. 231; japonica, iii. 23, xiv. 
33 
Q. 
Quekettia microscopica, vi. 23 
Quisqualis, ii. 107, 109 ; sinensis, 
xi. 92 
R. 
Rabbit Berry, culture of, iv. 106 
Raceme of flowers, the arrange- 
ment peculiar to a, vii. 162 
Radiation, its nature, causes, laws, 
and effects, vi. 108; most copious 
in the spring months, vi. 23; best 
means of checking, vi. 24 ; ca- 
pacity for, in different substances, 
vi. 36 ; vii. 82 ; manner in which 
it is effected, vii. 131 ; its inter- 
ruption the proper way of pro- 
tecting plants, vi. 1 32 ; xiv. 1 30, 
xv. 154 
Radicle, importance of noticing its 
direction, vii. 258 
Rafflesia Arnoldi, i. 153 
Rain water contains ammonia, viii. 
178 ; hence its superior fitness 
for watering plants, viii. 179 
Raking ground ought not to be 
done in hot weather, x. 71 ; 
hints on, xi. 258 
Rambootan, xv. 84 
Ramusatia vivipara, xiii. 92 
Ranunculacese, ii. 208, iii. 16 
Ranunculus aquatilis, uses of, i. 42; 
asiaticus to raise from seed, i. 45; 
mode of culture, i. 43; taking up, 
i. 44 ; stand for preserving, i. 44; 
criterion of a good one, i. 46 ; 
parnassifolius, i. 42 ; to be 
planted, iv. 48 ; the Turban, an 
early blooming plant for flower- 
beds, xi. 182 
Raphistemma pulchella, xiii. 138, 
xiv. 27 
Rattan cane, xv. 235 
Rauch, M. F., on Euphorbia ful- 
gens, iv. 32 
Rays of the sun, different descrip- 
tions of, vi. 1 1 
Reading, excellent method of, vi. 
208 
Receptacles, for Orchidacese, viii. 
113; for early flowering bulbs, 
viii. 17 
Red headed pigmy moth, ii. 213 ; 
Cosmelia, iii. 44 ; flowered 
fragrant Daphne, iii. 45 ; side 
Saddle-flower, iii. 261 ; spider, 
xiv. 96 ; sandal-wood, xv. 110 
Reddish-blue Ipomaea, iii. 99 
Redoutea heterophylla, xiii. 69 
Reevesia thyrsoidea, xiii. 45 
Refraction of heat, way in which 
it occurs, vii. 131 
Rehmannia chinensis, iv. 135, v. 
116 
Rejections of plants, v. 206 
Relation of vegetation to seasons, 
iii. 201 
Remarks on heating hothouses, ii. 
53 ; on the formation of a rosary 
for Scotch Roses, hi. 138 ; on 
the genus Nerium, iii, 232 ; on 
the genus Hoya, iv. 13 ; on the 
Camellia, xiii. 109 ; on the Pe- 
largonium, xiii. 205 
Renanthera coccinea, i. 15, ii. 127, 
140, v. 164, iv. 49, xiv. 273 ; 
matutina, x. 23, 188, xiv. 116 
Repose requisite for orchidacea?, 
nature of the, vi. 50, 157 ; pro- 
per period of, vi. 107 ; of plants 
necessary, vi. 105 
Reproduction of plants, i. 270 
Reproductive power of plants in- 
creased in proportion to the 
elevation of temperature, vi. 84 
Repton's works on Landscape Gar- 
dening reviewed, x. 45 
Reseda, culture of the genus, ii. 5 
Resins, their presence in plants an 
indication of a great degree of 
light being required, v. 112 ; 
analysis of, xi. 155 
Rest necessary for exotic plants, 
v. 215, 239 
Retrospect of the seasons, xiii. 249 
