308 
GENERAL INDEX. 
Tubers of tropseolum tuberosum 
edible, v. 50 
Tuetttea, xv. 8, 1 1 
Tufted-flowered Phacelia, iii. 94 
Tulbaghia violacea, iv. 66 
Tulip-fly, xiv. 168 
Tulip, history of, i. 160 ; Pandora, 
ii. 211 ; Duchess of Kent, iii. 
264 
Tulips, iii. 19, 24, 45, 119, 215 ; 
to be examined, iv. 48 ; protec- 
tion of, v. 72, 264 
Tupa blanda, ii. 
Turf-edgings for gravel walks 
should not be too low, x. 71 ; 
its uses in potting plants, x. 60 
Turnera elegans, xi. 52 ; ulmifolia, 
xii. 22 
Turner, Dr., observations on the 
water in the pitchers of Nepen- 
thes by, i. 58 
Turrsea lobata, xi. 45 
Tussilago Farf'ara, its presence an 
indication of blue clay, iv. 9 
Tway blade, xv. 33 
Tweedia cferulea, iv. 260, v. 238 ; 
floribunda, v. 212, vi. 125, 126 
Tweedie's Scarlet Vervain, iv. 5, 
19 
Twisted-petalled Trichopilia, iii. 
167 
Two-coloured Collinsia, iii. 195 
V. 
Vaecinese, ii. 209 
Vaccineum albiflorum, ii. 209 ; 
braziliense, xii. 101 ; csespitosa, 
ii. 209 ; corymbosum, ii. 260 ; 
pennsylvanicum, ii. 261 ; Vitis 
Idoea, xi. 253 
Valentiana, xiv. 250 
Valentine, Mr., on the Nepenthes, 
i. 58 
Valeriana celtica, xv. 162 ; diosco- 
rides, xv. 162 ; jatamansi, xv. 
162 ; officinalis, xv. 162 ; phu, 
xv. 162 ; saliunca, xv. 162 ; 
sitchensis, xv. 162 
Vallota, ii. 69 
Valleys, their effects on plants, vi. 
183, viii, 37 
Vanda Batemannii, xiv. 21, xv. 
167 ; cristata, ix. 118, 191, xiv. 
118, 141 ; insignis, xv. 47 ; la- 
mellata, vi. 143 ; multiflora, ii. 
142 ; Roxburghii, ii. 142, iv. 
i 190 ; species new, xv. 72 ; teres, 
iii. 19, v. 117, 193, 194, xiv. 142, 
xv. 191 ; tesselata, iv. 190, vii. 
265, 266 ; tricolor, xv. 22 ; uni- 
coior, vii. 22 ; violacea, ix. 1 1 9, 
xiv. 141. 
Vandese, ii. 1 13, 21 1, 142 
Van Houtte's Phlox, xi. 1 74 
Vanilla, ii. 141 ; aromatica, ii. 127 
Vascular system of plants, xi. 105 
Vegetable acids, xi. 1 57 ; absorp- 
tion, xv. 13 ; decomposition, v. 
1 1 ; developments, ix. 33 ; dilu- 
tium for destroying insects, xi. | 
240 ; fluids, vi. 154 ; food, viii. 
129, 154 ; electricity, xiii. 130, 
153 ; elements, viii. 55 ; life, vi. 
85, viii. 106 ; metamorphosis, 
vii. 231 ; nutrition, xv. 202 ; 
physiology, vi. 9, 57, 153, x. 249, 
xi. 9, 33, 57, 81, 105, 129, 153, 
177, 201, 227, 249 ; oils, xi. 
156 ; poisons, i. 32, 54 ; organi- 
sation, vi. 85 
Vegetation, its capacity for accom- 
modating itself to circumstances, 
vii. 178 ; importance to it of a 
period of rest, vii. 226 ; effects 
of winds upon it, vii. 1 8 
Ventilation of plant-houses, v. 38, 
216, vi. 96, 143, 167, 240, 263, 
vii. 120, 144, viii. 258 ; its im- 
portance in winter, viii. 24, 47, 
72, 144, 168, 240, xi. 114 
Venus's fly-trap, iii. 252 
Verbena amoena, vii. 3, 4, 96 ; 
araniana, v. 117 ; chamsedri- 
folia, iv. 167 ; chamsedrifolia 
superba, v. 213 ; Drummondi, 
iv. 168 ; incisa, v. 17 ; Lam- 
bertia rosea, iv. 19, 216 ; man- 
agement of, iii. 32, 72, v. 168, 
244, vi. 253, xiv. 191 ; melindres, 
i. 173, ii. 88, 168, 192, 216 ; mul- 
tiflora contracta, ii. 164 ; Neillii, 
v. 213 ; pulchella alba, iv, 167 ; 
rugosa, iii. 45, 237 ; teucrioides, 
v. 243 ; trained as standards, 
xi. 19 ; Tweediana, iv. 5, 19, 
168, 192; Tweediana splendens, 
v. 188 
Veronica Lindleyana, xii. 247, 248, 
xv. 211; perfoliata, iv. 65; spe- 
ciosa, x. 247, 248, xii. 66 ; sali- 
cifolia, xiii. 47 
Versailles, fountains at, x. 226 
Verticordia insignis, iii. 258 
Vesicaria gracilis, iv. 18 
Viburnum, culture of, xiv. 250 ; 
macrocephalum, xiv. 189, xv. 
209 ; new species, xiv.118 ; pli- 
catum, xiv. 914, xv. 209 
Victoria cruziana, xiv. 23 ; regia, 
xiv. 21, v. 114 
Vieusseuxia glaucopis, i. 18 
Viminaria denudata, xiv. 123 
Vinca minor, v. 8 ; kinds of, adapted 
for planting in beds, ix. 230 ; 
notice of a double flowering kind, 
ix. 230 
Vines in Madeira, xv. 196 
Viola arborea, ix. 119 ; culture of 
genus, i. 115 — 122, ii. 144, iii. 
249 ; odorata, iii. 249 ; tricolor, 
i. 116, ii. 144, 168, 192, iii. 5, 
xiv. 135 
Violacese, ii. 261 
Viper's bugloss, gigantic, v. 149 
Virginia spider wort, iii. 214 
Virgin's bower, tubular-flowered, 
xiv. 31 
Virgin soil, viii. 154 
Viscaria oculata, xi. 92, 269, 270, 
x. 239 
Vital envelope in plants, ix. 58 ; 
principle in plants, vi. 153, xi. 
12, 251 
Vlamingia, xv. 1 1 
Volatile, or essential vegetable oils, 
xi. 156 
Vriesia psittacina, x. 69, xv. 72 
speciosa, xv. 166 
U. 
Ugoor, xv. 44 
Ugooroo, xv. 44 
Umbel, general nature of an, vii. 
162 
Umbilicus, character and office of 
the, vii. 258 ; malacophyllus, xi. 
166 
Uniformity in the treatment of 
exotic plants, desirableness of, 
vi. 167, 255 
Urananthus glaucifolius, xiii. 99 
Uses of earths, iv. 10 
W. 
Wahlenbergia grandiflwra, xiii. 7 
Waldron, Mr., on heating by hot- 
water, ii. 56 ; cost of apparatus,, 
by, ii. 58 
Walks, hints on gravelling and 
rolling, xi. 259 
"Wallflowers, their blooming season 
prolonged plucking the flowers^ 
ix. 110 
Walls, not most suitable for climb- 
ing plants, vi. 160 ; prejudicial 
in some parts of greenhouses^ 
viii. 232 
Wampu tree, xv. 261 
Ward's cases, xiv. 42 
Warratah, the, v. 73 
Warrea cyanea, xii. 118 ; cserulea ? 
xii. 118 ; tricolor, xiii. 141 
Water, how to apply to the flower- 
garden in hot weather, xiii. 143; 
importance of mingling air with, 
vi. 12 ; its tendency to lower 
temperature, vi. 183 ; equally 
dangerous to plants in winter as 
cold, if excessive, vi. 263 ; com- 
ponent parts of, viii. 129, 177 ; 
its agency on vegetation, viii. 
177 ; not a solvent of the earthy 
substance of manures, but of the 
gases evolved by them, viii. 178 ; 
what gives it softness, viii. 179 ; 
advantages of that produced by 
rain, viii. 179; importance of a 
free circulation of, v. 208 ; an 
indispensable feature in rock- 
eries, v. 228 ; taken up by the 
roots, xi. 129 ; composition of, 
xi. 177 ; elements of, ix. 225 ; 
softness essential in that given to 
plants, ix. 228 
Watering plants, hints on, v. 95 ; 
general principles to be observed 
in, vi. 96, 144, 168, vii. 47, i20, 
215, 240, 255 ; rules for, viii. 
119 ; directions for, ix. 71, 96, 
