290 
GENERAL INDEX. 
&c, &c, 204 j aurantiacum, vii. 
213 
Heimia salicifolia, var. grandiflora, 
viii. 260 
Heinsia jasminiflora, xiii. 22 
Heister's Mural tia, iv. 150 
Helianthemum, the species suited 
for grouping, ix. 234 ; cultiva- 
tion of, iv. 183 
Heliotropium Peruvianum, culture 
of, iii. 29 ; incanum, xii. 214 ; 
hybridum Voltaireanuni, xiv. 
239 
Helichrysum macranthum, v. 141, 
164, 247, 257, 260 ; culture of, 
v. 248 ; robustum, vii. 188 ; 
niveum, viii. 99 ; its culture, 
viii. 100 ; the genus noticed, iii. 
115 
Heliophila trifida, xii. 142; pinnata, 
xiv. 219 ; trifida, xiv. 20, 215, 
219 
Hellebore, Corsican, v. 233 
Helleborine, xv. 32. 
Helleborus lividus, v. 233 ; olymp- 
icus, ix. 238 ; orientalis, ix. 142 
Hemerocallis Sieboldii, v. 25 ; spe- 
ciosa, vi. 214 
Hemisandra aurantiaca, xii. 127 
Henchman's Chorizema, iv. 233 
Henfreya scandens, xiv. 92, 140, 
xv. 96 
Henna, xv. 213 
Hepaticas recommended for the 
flower-garden in winter, 256 
Herbaceous plants cut down, iii. 
96 ; directions for supporting, v. 
96 ; effects of frost on such as 
are planted in autumn, vi. 24 ; on 
removing the flowers of, ix. 96 ; 
a few species of, for decorating 
the flower-beds in winter, xi. 255 
Herbertia ceerulea, viii. 93 ; Drum- 
mondi, xiv. 186 
Hereman's Vegetable Dilutium, 
useful for destroying the mealy 
bug, 240 
Hermaphrodite flowers, their na- 
ture, vii. 232 
Hermium Monorchis, xii. 32 
Hermodactylus longifolius, i. 242 ; 
culture of the genus, i. 241 
Heterodendron, xiv. 228 
Heterotoma, xv. 9 
Heterotropa asaroides, vi. 1 85 
Heydesarum onobryitris, the pre- 
sence of it an indication of cal- 
careous soil, iv. 9 
Hibbertia perfoliata, xi. 22 
Hibiscus Lindlei, i. 77 ; ficuloides, 
i. 77 ; mutabilis, i. 77 ; racemo- 
sus, i. 77 ; culture of the genus, 
i. 77 ; syriacus variegatus, ii. 3, 
228 ; splendens, iii. 147 ; Rosa 
sinensis, iii. 205 ; lilacinus, v. 
15 ; Cameronii, vi. 237 ; multi- 
fidus, vii. 103 ; remarks on the 
management of, vii. 104; Came- 
ronii, viii. 3 ; instructions for 
growing, viii. 4 ; Cameroni-ful- 
gens,xi. 116; Jerroldianus, xiii. 
1 ; requirements of, xiii. 2 ; Mr. 
Jerrold's, xiii. 1 ; moscheutos, 
xiv. 67; palustris, xiv. 67 ; var. 
xv. 167 
Hierochloa borealis, xv. 237 
Hills, cases in which they are suit- 
able or unsuitable for planting 
tender species upon, vi. 182 ; 
less visited by frosts than low 
situations, viii. 36 ; and more 
proper for planting tender plants 
upon, viii. 37 
Hilum, its form noted, vii. 258 
Hindsia longiflora, xi. 142, 197 ; 
violacea, xi. 142, 197 ; method 
of managing, xi. 198 ; longiflora 
alba, xii. 142 ; longiflora, xiv. 
142 ; longiflora alba, xiv. 142 ; 
spe. nov.y xv. 23 
Hints on Flower-gardening, xiv. 
158 
Hippeastrum breviflorum, iv. 66 ; 
ambiguum longiflorum, v. 165 ; 
anomalum, vii. 69 
Hippobroma longiflora, xv. 9 
Hobo, xv. 38 
Hoeing ground, the utility of, xi. 
258 ; assists to retain moisture 
in the soil, xii. 143 
Hofali, xv. 139 
Hogg on soils for flowers, i. 9 
Hog Plum, xv. 38 
Hoitzia Mexicana,vi.261 ; coccinea, 
xi. 238, xii. 263 
Holbollia latifolia, xiii. 212 
Hollies, proper time to plant, i. 46, 
120, 144 
Honeysuckles, on training them 
singly to poles, viii. 182 ; on 
training them, and forming them 
into standards, x. 209 ; various 
modes of treating them, x. 210 ; 
planted in masses, and kept 
dwarf, xi. 138 
Hookeria lucens, xii. 160 ; co- 
ronaria, xii. 221 
Hop plant, its use for ornamental 
purposes, ix. 89 
Horkelia fusca, iv. 233 
Horned Oncidium, iii. 143 
Hortia, xiv. 225 
Horticultural Society of London, 
ii. 28 
Horticulture, its claims to be con- 
sidered a science, vii. 129 
Horticultural School, suggestions 
respecting a grand central, viii. 9 
Horticultural exhibitions, xv. 143, 
167 ; science, xv. 104 
Hosackia stolonifera, iv. 188 
Hothouses, remarks on heating, ii. 
53, 100, 237 ; on the construction 
and heating of, ii. 244 ; probable 
expense of erecting, ii. 256 ; 
roofs, construction of, ii. 80 ; on 
the climate of, iii. 223; tempera- 
ture of, iii. 264 
Hotiea barbata, vii. 211 
Hot- water apparatus, i. 134 — 6 ; 
heating by, ii. 53, 100 ; boiler, 
plan of a new one, iii. 103; appa- 
ratus, iv. 33 ; its advantages 
over steam in heating plant- 
houses, v. 57 ; apparatus, ma- 
nagement of, v. 57 ; pipes, most 
suitable size for, v. 60 ; tank, 
reasons for employing, to heat 
houses, xii. 252; plan of, xii. 253 
Houlletia Brocklehurstiana, viii. 
215, xiv. 117 
House for striking cuttings, i. Ill; 
for the growth of both plants 
and fruits, ii. 186 
Hovea Celsi, iii. 241 ; Manglesii, 
v. 257 ; fungens, vi. 71, 101 ; 
treatment of the genus, vi. 102 ; 
villosa, vii. 69 ; new species of, 
x. 70 ; Celsii, hints for ma- 
naging, x. 115 ; pungens, var. 
major, x. 51 ; treatment of, x. 52 ; 
racemulosa, x. 21 ; splendens, 
x. 70, 103; how to grow it, x. 104; 
ilicifolia, xi. 262 ; trisperma, xi. 
94; linear-leaved, xii. 75 ; linea- 
ris, xii. 75 ; point in the cul- 
tivation of, requiring attention, 
xii. 75 ; linearis, xv. 258 
Hoya, ii. 107 — 9; coriacea, vi. 89 ; 
coriacea, hints respecting the 
culture of, vii. 21 ; trinervis, xii. 
165 ; xiii. 263 ; campanulata, 
xiii. 237 ; imperialis, xv. 142, 
214 ; bella, xv. 243 ; Cunning- 
hamii, xv. 264 
Hugelia, xiv. 225 ; lanata, xv. 118 
Humidity, when accompanied by a 
sufficient heat, grateful to the 
human feelings and to plants, 
vii. 120 
Humus, general nature and pro- 
perties of, vii. 10, 57 ; its nature 
investigated, viii. 81 ; not ex- 
hausted by vegetables, viii. 130 ; 
in soils, increase of, xi. 230, 
249 ; nature of its offices, in the 
nutrition of plants, xi. 249 ; 
a source of carbonic acid, xi. 
250 
Huntleya meleagris, vi. 69 ; vio- 
lacea, vi. 141 ; violacea, viii. 1 ; 
its treatment, viii. 2 ; meleagris, 
x. 189 
Hunt's patent garden-pots de- 
scribed, x. 89 ; Mr., on solar 
light, xv. 58 
Hyacinthus, culture of, ii. 8 ; selec- 
tion of five sorts, ii. 8 ; history of, 
ii. 8 ; to grow in glasses, ii. 11 ; 
forcing, ii. 1 1 ; growing in pots, 
ii. 1 1 ; in sand, ii. 1 1 ; diseases 
of, ii. 1 1 ; propagation, ii. 1 1 
Hyacinths, treatment of in pots and 
glasses, i. 41 ; Madame Mer- 
mone, and Helicon, iii. 71 ; to be 
looked over, iii. 216; 264 ; on 
raising species, iv. 208 ; princi- 
pal features in the culture of, 
vii. 24, 240 ; method of starting 
them into growth, ix. 240 ; hints 
