GENERAL INDEX. 
289 
Ground-work, advantages of the 
early completion of, xi. 47, 257; 
proper seasons for performing 
different kinds of, xi. 257 
Grouping of trees, shrubs, &c. xiii. 
179 
Growth of plants, a result of the 
application of heat, vi. 33, 34, 
84 ; a distinct process from the 
production of flowers, vi. 132 ; 
why, when luxuriant, it is inimi- 
cal to fertility, vi. 133 
Guano, in connection with flori- 
culture, xii. 201; description of 
true, xii. 201; condition of, as 
imported, xii. 201; analysis of, 
xii. 202 ; all decomposable appli- 
ances of all vegetables contain, 
xii. 203 ; to employ, great cau- 
tion required, xii. 203 
Guara-like Clarkia, iv. 90 
Guava, culture of the, i. 119, iv. 39 
Guayaquil Thorn Apple, iv. 90 
Guelder Roses, should not have 
their young shoots pruned, vii. 23 
Guernsey Lily, hi. 192 
Gum Arabic, xv. 89, 153 
Gunnia picta, vi. 92 
Gustavia Augusta, xiv. 83 
Gymnadenia conopsea, xv. 32 
Gymnonychium, xiv. 227 
Gymnostomum truncatulum, xv. 
253 
H. 
Habenaria, ii. 158, 183 ; Goody - 
eroides,ii. 79 ; procera, hi. 167 ; 
bifolia, xv. 32 
Habits of plants susceptible of 
alteration, vi. 84, 158 
Habranthus, ii. 69 ; pratensis, ix„ 
95, 121 ; how to cultivate, ix. 
122 ; var. quadriflora, ix. 190 ; 
concolor, xii. 239 
Habrothamnus purpureus, xii. 46 ; 
fasciculatus, xii. 118 ; cyaneus, 
xii. 92, 213 ; elegans, xi. 187, 
236 ; purpureus, xi. 236 ; co- 
rymbosus, xiii. 22 ; fasciculatus, 
xiii. 84 ; cluster-flowered, xiv. 
193 ; corymbosus, xiv. 112, xv. 
210; elegans, xiv. 69, 193 ; 
fasciculatus, xiv. 69, 112, 193 
Hsemanthus, ii. 68 ; tenuiflorus, 
var. mozambicensis, viii. 116 
Hakea ferruginea, ii. 209, xi. 184 ; 
florida grown in the open air, v. 
12 ; saligna, naturalisation of, 
v. 12 
Halesia, ii. 228 
Half-hardy plants, merits of, i. 55 ; 
time for repotting those that are 
exposed, i. 215 ; plants, propa- 
gation of, v. 168, 255 ; plants, 
suggestions for propagating, vi. 
72, 167, 191 ; period for trans- 
planting, vi. 95 ; plants, time 
and method of transplanting, vii. 
95; propagation of, vii. 167, 
192 ; plants, proper way of 
VOL. XV. NO. CLXXX. 
planting them, viii. 96, 120 j 
perennials, remarks on propa- 
gating, ix. 24, 168 ; their pre- 
servation through the winter, 
ix. 209 
Hand-book of Plain Botany, 
noticed, ii. 94 
Handglass,description of improved, 
ii. 208 
Handsome herbaceous plants, xv. 
259 
Haplophyllum, xiv. 227 
Hardenbergia digitata, vii. 235 ; 
Comptoniana, viii. 27; method of 
cultivating, viii. 28; macrophylla, 
viii. 267 ; treatment of, viii. 268 ; 
appropriate situations for, xii. 112 
Hardening tender plants in autumn, 
importance of, x. 216, 240 
Hardy Annuals to be sown, iv. 48 ; 
shrubs, season for pruning and 
propagating, i. 72, 167, 191 ; 
double flowers, list of, with their 
culture,i. 133; herbaceous plants, 
errors in trimming, vii. 48 ; 
directions for separating and 
shifting, vii. 48, 150 
Hare-lipped Epidendrum, hi. 215 
Harpalyce fulvata, xiv. 167 
Harrison's Mimulus, iv. 173 
Haworth, A. H., Esq., division of 
the genus Narcissus, i. 118 ; 
cultivation of the genus, . 251 
Hawthorn hedges,recommendation 
to graft the more ornate kinds of 
Crataegus upon, vi. 65 
Heart's Ease, i. 116 ; properties 
. of a good one, i. 117; practice 
of washing the roots of, v. 207, 
xi. 144, 168, 192 
Heat and light, xiv. 127, 128 
Heat, application of, xiii. 9 ; means 
of economising, v. 13, 80, 253, 
274 ; its influence on vegetable 
life, functions, and substances, 
vi. 33, 59, 107, 132, 155, 181, 
204 ; suppositions as to its 
nature, vi. 33 ; its expansive 
power, vi. 34 ; perfectly impon- 
derous, vi. 34 ; its sources, vi. 36 ; 
its agency in the geographical 
distribution of plants, vi. 59 ; 
its modification by elevated 
tracts or large bodies of water, 
vi. 181 ; also by trees and 
forests, vi. 204 ; generated by 
all living things, vii. 81 ; ab- 
stracted by winds, vii. 8 1 ; dis- 
persed in the process of evapora- 
tion, vii. 82 ; its connexion with 
fluids, vii. 82 ; manner in which 
it escapes during evaporation, 
vii. 82 ; its radiation and con- 
duction, vii. 131 ; laws which 
govern its transition, vii. 131; 
that of an artificial kind inimical 
to the hardihood of seeds ripened 
or plants germinated therein, vii. 
136 ; way of testing the last 
circumstance, vii. 137; beneficial 
P P 
to the roots of plants, viii. 209 ; 
philosophy and uses of bottom, 
x. 156 ; its theory and practical 
application, xii. 9 ; application o*', 
xii. 33 
Heating by hot water, cost of, i. 
134 ; Mr. Saul's mode, i. 136 ; 
houses, merits of different modes 
of, x. 33; apparatus, xi. 114 ; 
apparatus, description of, xii. 
10 ; defects of systems of, xiii. 
81 ; history of different methods 
of, xiii. 82 ; merits of, by hot 
water, xiii. 83 ; Polmaise plan 
of, alluded to, xiii. 12 ; hot- 
houses, xiv. 253 
Heathery, suggestions for the for- 
mation of a, ix. 229 
Heaths ; culture of the Cape 
species, i. 113 ; natural habitats 
of some, i. 236 ; drooping round- 
headed, v. 65 ; green-tipped, v. 
65 ; a separate house advanta- 
geous to, v. 156 ; causes of ill 
success in the cultivation of, v. 
156, 204 ; method of renovating 
sickly plants of, v. 215 ; superb 
three-coloured, vi. 3 ; Banks's, 
vii. 243 ; Mr. Macnab's, vii. 125 ; 
great attention now bestowed 
on, vii. 125,243; proper situation 
for placing them in, vii. 244 ; 
Mr. Macnab's treatise on them 
recommended, vii. 126 ; points 
in the management of, viii. 1 50 ; 
moor soil not indispensable to 
the hardy kinds, viii. 40 ; Dr. 
NeilPs,ix. 196 ; hints on grow- 
ing, ix. 196 ; admirably fitted 
for planting in beds or groups, 
ix. 183 ; leaf-mould beneficial to, 
x. 138 ; advantages of cutting 
down old specimens, x. 258 ; 
Mr. Murray's, xi. 77 ; for plant- 
ing in groups, xi. 138 ; for win- 
ter gardens, xi. 253 ; the Duke 
of Devonshire's, xiii. 3 ; xiv. 
135 
Heath-soil, means of ascertaining 
the quality of, viii. 36 ; con- 
stituents of various specimens, 
vii. 84 ; necessity of exposing it 
before use, viii. 130; considera- 
tions on, vii. 249 ; on the uses of, 
for fine-rooted plants, xi. 65 ; 
fittest method of employing, xi. 
66 ; substitutes for, xi. 66, 185 
Hebecladus biflorus, xii. 260 
Hedge nettle, scarlet, xv. 261 
Hederoma latifolia, vi. 259 
Hedwig, M., definition of a plant 
by, i. 32 
Hedychium, hints on the cultivation 
of, iv. 201 ; angustifolium, iv. 
202 ; aurantiacum, iv. 203 ; 
carneum, iv. 203 ; elatum, iv. 
203 ; flavescens, iv. 203; flavum, 
iv. 202 ; Gardnerianum, iv. 
203 ; gracile, iv. 203 ; hetero- 
mallum, iv. 203 \ longifolium, 
