GENERAL INDEX. 
627 
Marl, how far it contributes to the fer¬ 
tility of soils, 36 
Marine Plants 499 
Marsdenia flavascens, 40 
Mars, Geography of, 45 
Marsh Plants 499 
Martin’s History of the British Colo¬ 
nies 
Meadow Plants 499 
Mearns, M. on coiling Vines, 104, 105 
Melons, query on, 42 ; natural history 
of, 130; Mf. Smith’s mode of culti¬ 
vating, 130; aquatic habits of, 110; 
striped Housainee, query on, 408, 
409; new sort enquired about, 408; 
answered; culture at Woburn Abbey, 
459 ; diseases of, 489 
Mignonette, 319 
Mildew, 120 
Milla uniflora, 316 
Mimulus, culture of the genus, 222; 
luteus Youngii 506 
Moon, physical constitution of, 94; 
Moss on Lawns, query on, 138, 410 
Mosses, 455 
Mountain Plants 500 
Mouths of Garden Plants, 249 
Mule Pink 
Muriatic Acid Gas, 36 
Musaceae, 135 
Mushrooms, culture of, 121 ; delitefious 
qualities of some, 190 
Mushrooms, family of, 456 
Musical Dial Fountain, 492 
Myrtle, query on, 43; answered, 187 
Narcissus, query on, 76 
Natural Curiosity, 494 
Nature and Art, 190 
Naturalist’s Calendar, 44, 93, 139 
Nectarium in Flowers, 372 
Nematus capreae, 61,92; ribeana, 188 
Nemophila insigmis, 469 
Nerium splendens, 355 
New method of writing on Zinc, 376 
Nierembergia aristata, 448 
Nightingale, 413 
Nitrous Acid Gas, 36 
Nitric Acid, 36 
Nuttalia papavea, 40 
Nut Trees, query on, 138, 409; an¬ 
swered 503 
Oak tree a conductor of lightning ; va¬ 
riety of at Chatsworth, query about, 
42; answered, 286; ornamental 
kinds, 117 
Obituary, 91 
Observations on Nature, 44,93, 139 
CEnothcra Drummondi 506 
Oleander, query about, 43 ; answered, 
187 
Oleacae, 38 
Onagrariae, 38 
Onions of the potatoe kind, 122 
Oncidiuin ompliatum, 442 
Open Drains, 328 
Orchideas, 39, 41, 134, 179,225,268, 
353, 390, 439, 442; culture of, 439 
Orchis foliosa, 442 
Ornithigalum biflorum, 353 
Ornithidium album, 225 
Oxalis crenata, 416; query about, 487 ; 
answered 504 
Poeonia Montan variegata, 267 ; Mon¬ 
tan albida plena, 315; edulis Reeve- 
si an a 508 
Palms, 454 
Pancratium pedale, 87 
Papaveraceae, 315 
Parasitical Plants 
Passifloreae, 41 
Passiflora kermesina, 41: gossypiifolia, 
Peaches, 90; pruning of, 185; mildew 
and aphis upon, 120 
Pear, monstrous production of, 494; 
brown St. Germain, query on, 42; 
answered 501 
Pear Trees, query on, 408; to promote 
the usefulness of, 164; query on the 
quality of several kinds of, i 80 
Peas, classification of the garden kinds, 
206, 241; culture of, 302; marrows, 
241; sugars, 243; grey, 245; selec¬ 
tion of, 247 ; common peas, 207 
Pelargoniums, culture of, 498 ; modes 
of preserving in winter, 498 
Pentadesmia butyracea, 93 
Phacelia tanacetifolia, 389 
Phenomena of hoar frost and snow. 152 
Phenomena of vapour and steam, 153 
Pimelea longiflora,39 ; hypericina, 316 
Pinks, culture of, 264, 318 
Pines, culture of without pots, 203 
Pinery at Woburn Abbey, 343 
Pittosporecae, 507 
Plants, structure of, 452; Dycotyledo- 
nous, fig. in the periodicals, 40, 86, 
134, 234,267,315,352, 388, 439, 
440, 467; 506 : monocotyledonous41 
87,134,224, 467, 316, 353, 389, 440, 
468; 509: superstitions with regard 
to the blossoming or, 18; cause of 
colouring in, 90; what is necessary 
to bring them to perfection, 18; 
fumigation, 116; sap of, 136; effects 
of mountain heights on, 139 ; found 
in a fossil state in the coal beds, 163, 
195 ; an extraordinary one found in 
St. Lucie, 189; mouths of, 249 
Plants, food of, 250; changes of food, 
251 ; pulp and sap, 251 ; air neces- 
