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25. Nemophila insígnis. Blue. 26. Gília tricolor álba. White.
27. Collinsia vérna. Purple.
III. List for Autumn. 1. Perbèna ígnea. Dark scarlet. 16. Senècio élegans pleno. Purple. 2. Pelargonium, ivy-leaved. Varie- 17. Calceolària integrifolia. Yellow. gated.
18. Lòtus jacobæ`us. Black. 3. Verbena Hendersonü. Purple. 19. Nierembérgia filicaulis. Lilac. 4. Lobelia ramosa. Blue.
20. Verbena teucrioides. White. 5. Enothèra macrocarpa. Yellow. 21. Verbena Melindres latifolia. 6. Verbena purpùrea. Purple.
Scarlet. 7. Pelargonium Manglèsä. Varie- 22. Petunia nyctaginiflòra. White. gated.
23. Verbena elfordensis. Purple. 8. Verbena Chandlerů. Scarlet. 24. Enothera Drummondii, Yellow. 9. Verbena, the Queen. White. 25. Anagallis cærulea grandiflora. 10. Verbena Drummondii. Lilac.
Blue. 11. Lotus jacobæ'us. Black. 26. Nierembérgia intermèdia. Pale 12. Calceolària rugósa. Yellow.
yellow. 13. Petunia hýbrida. Purple. 27. Pelargonium, variegated. White. 14. Pelargonium, Frogmore. Scarlet. 28. Verbena Melindres. Scarlet. 15. Pelargonium, Ingram's. Scarlet.
List of Plants for planting the Flower-Garden, fig. 63. By Mr. Pringle. 1. Snowdrops as edging ; the body 17. Gília trícolor. Dahlias.
of the bed of Moss Roses, 18. Prímula cortusöides. Sálvia pà
dwarfs. 2. Hepática. Petunias, var. 19. Scilla, or Phalangiums. Select 3. Hepática. Heliotropium peruvi- herbaceous plants. anum.
20. Scilla, or other bulbs. Select 4. Double Primrose. Provence herbaceous plants. Roses, dwarf.
21. Snowdrop. Hybrid China Roses, 5. Double Primrose. Scotch Roses. dwarf. 6. Crocus. Calceolària, var. 22. Sanguinària canadensis. Gera7. Crocus. Verbèna, var.
niums of var. 8. Snowdrop.
Perpetual Roses, 23. Adònis vernàlis. Scarlet Geradwarf,
niums. 9. Narcissus. Select herbaceous 24. Aurícula, var. China Roses, plants.
dwarf. 10. Narcissus, or other Bulbs. Select 25. Polyánthus, var. Tea-scented herbaceous plants.
Roses, dwarf. 11. Gentiana acaulis. Salvia fúlgens. 26. Scilla bifolia. Senècio elegans 12. Nemophila insígnis. Dahlias.
flòre pleno. 13. Lasthènja califórnica. Dahlias. 27. Erythrònium déns cànis. Lotus 14. Dwarf Larkspur. Fuchsias.
jacobæ'us. 15. Cladánthus arábicus. Fuchsias. 28. Snowdrop.
Noisette Roses, 16. Collinsia grandiflora. Dahlias.
The centres of the two extreme figures may contain fancy baskets or vases for greenhouse plants in summer; and the centre a may be a basin and fountain, if there is water at command; if not, azaleas and other American plants, mixed with select standard roses. If the beds Nos. 2, 3, 6, 7, 22, 23, 25, and 27 were planted with American plants, the garden might then be kept at less annual expense of plants and labour ; and this may be suitable for those who do not keep a sufficient garden establishment. — J. P.
List of Plants for planting the Flower-Garden fig. 63. By Mr. James Call,
Foreman in Duncombe Park Gardens. 1. Lobelia fúlgens, and 25. Potentillas of varieties, and Schizanthus Lupinus nanus.
pinnatus. 2. Mimulus of dwarf va- 26. Heartsease of varieties. rieties.
27. Verbèna incisa, and V. Melindres. 3. Heartsease of varieties. 28. Lobelia propinqua, and Convolvulus 4. Verbèna Drummondii,
minor.- J.C. and V. Melindres. 5. Petunias of varieties,
and Anagállis Mo
nélli. 6. Eschschóltzia califór
nica, and Anagallis
grandifòra. 7. Alonsòa urticifolia, and
Clárkia pulchélla. 8. Calceolarias of varie
ties, and Collinsia
bícolor, 9. Herbaceous plants.
g 10. Herbaceous plants. 11. Scarlet Geraniums,
and Verbèna Twee
dieàna. 12. Crassula coccinea, and
Salpiglóssis picta. 13. Sálvia patens, and Ger
man Stocks. 14. Fuchsias of varieties,
and Antirrhinum ca
ryophyllöides. 15. Dahlias of varieties,
and German Asters. 16. Sálvia coccinea, and
Dwarf Rocket Lark
spur. 17. Hydrangeas, and A'ster
öżdes, P. fruticosa,
ànum, and Collòmia
coccinea. 22. Enothéra Drum
móndü, and Nemo
phila atomària. 23. Antirrhinum
caryophyllöides, and Éùtoca viscida,
Bagong 24. Verbèna Tweedieana élegans, and V. Sa
Fig. 64. American Garden. bìna. Fig. 64. is a design for a small American garden, intended to form an epi
sode in a shrubbery on the principle recommended in the introduction to this article.
a. American perennial herbaceous plants. b. American bulbs and annuals. c. American low flowering shrubs, such as rhododendrons, azaleas, kal
mias, &c. d. Magnolias. e, f, g, Counterparts to a, b, c, but containing quite different species.
Fig. 65., is a design which may also serve as an American garden, or for a garden entirely of peat earth shrubs and plants, of whatever country they may be natives, which require to be grown in moist peat. The herbaceous plants may be planted in the beds 1, 4, 5, 8, and the magnolias and low shrubs
Fig. 65. Garden of Shrubs and herbaceous Plants which require to be grown in moist Peat; the
moisture being communicated by pipes connected with the central basin.
in the beds 2, 3, 6, 7. The central circle, 9, is for a basin and fountain, from which there may be an underground communication to each bed, by means of small earthenware pipes, which can be plugged up at pleasure. This communication will admit of keeping the beds moist during the dry season, which contributes greatly to the beauty of all flowering shrubs, especially such kinds as the American Rhodoraceæ, most of which grow in moist peat.
Fig. 66. is a design for a garden, to contain a select collection of dahlias, to forn an episode to a shrubbery walk.
The beds at a a embrace small basins of water, and in order to contrast with the others, may be planted with a collection of hollyhocks. The beds marked bb may be planted with evergreen shrubs, in order to prevent the
whole garden from being seen at once when entering also be a few plants of Cupressinæ, or other evergreens, sprinkled down the middle of the garden, from b to b, in order to form a background to the dahlias and hollyhocks; for this garden, like fig. 64., is one of those the beauties of which are to be seen in succession, and not at a single glance, as in the design fig. 63. The dahlia beds are so disposed as that every variety may be seen from the walk. The width of the beds is 3 ft., which will admit of two rows, the plants of one row alternating with those in the other. In order to preserve the exact form of the beds, they ought to have concealed brick edgings, formed in the manner shown in figs. 56, 57. in p. 217., or by triangular bricks made on purpose. The shapes may also be preserved by iron rods raised 6 in. above the beds, and securely fixed.
ART. IX. Description of a Propagating-House heated by hot Water
circulated in Brick Troughs. By J. M. LINDSAY. According to my promise, I forward for your inspection a plan and section (fig. 67.) of a propagating-house in the Hammersmith Nursery, recently heated (by my employers, Messrs. John and Charles Lee) by hot water circulating in brick troughs lined with cement; top and bottom heat being produced by the same means. We have now had the plan in operation a sufficient time to test its merits, and I feel quite justified in asserting that it far surpasses every other means with which I am acquainted for the
purpose commanding a regular, steady, genial, and moist bottom and top heat ; so much so, that I have not the least doubt that, when its superior advantages are fully known, it will ultimately supersede the use of all the fermenting materials which are generally used as a medium for bottom heat, and also the use of iron pipes for horticultural purposes.
The house to which the system has been applied here is fifty feet long and
eight feet wide ; it was originally used for propagation, but without the means
All that was found necessary to do in altering it to its present state, after procuring a boiler, was to pull down the smoke flue, which was next the front wall, and make the bench on which it stood on the same level with the platform on the other or back side of the path ; this done, two troughs were erected upon it for heating the atmosphere of the house, as represented in fig. 67. at bb. These troughs are formed by partitions two bricks on edge deep, set in cement, the bottom and inner sides of the lower bricks only being plastered with the same material. A covering is formed of common tiles, which were in use for covering the smoke flue. On the three feet six inches platform are also erected two troughs (d d), as a medium for bottom heat. They occupy its full width, but are only formed one brick on edge deep (d d), also set in cement, and plastered with the same inside. Common plain tiles (as they are termed) are used for a covering for these troughs; but, as they are only nine inches in length, it was found necessary to support the end of each in the middle of each trough by means of a row of brick on edge laid in without cement, so as not to raise them above the level of the side bricks, and left pigeon-holed. The tiles were then bedded on in cement, all the joints being afterwards carefully pointed. This forms another platform, which is co. vered by about six inches of old tan for receiving pots of cuttings, &c., which tan is kept compactly together by a brick on edge, also set in cement along each side, as shown in the section.
The boiler is placed at the extreme end of the house at e, inside, being supplied with fuel from the outside ; it has a short piece of four-inch iron pipe to supply the two flow troughs, as represented by the dotted lines at e, and two return pipes which enter it at opposite sides. This boiler is of novel construction,
754 the invention of Mr. Thomson, late gardener at Syon Fig. 67. Plan and Section House, and is well calculated for economy, both in
of a Propagating-Housc
Hammersmith fuel and labour; having a much greater surface ex- Nursery, heated by hot posed to the action of the fire than any boiler I have
Water circulating in
Troughs ever seen of the same size.
with Cement. The water in the troughs rarely exceeds an inch in depth, with which quantity we can keep, with the greatest nicety, both the temperature of the house and the bottom heat to any required degree. I must not omit to mention, that in each flow trough is placed a sluice, formed by a piece of slate pushed down in two grooves in the cement, so that the water may be stopped from circulating in either at pleasure.
So satisfactory has the system proved here, and so very moderate in expense, a bricklayer and his labourer having completed the whole in a few days with two and a half tubs of cement, the old materials which formed the smoke