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e&cm. W. 
PROGRESS OF HORTICULTURE, &C. I 
whole plant is under six inches high, the flowers measuring about two inches lengthwise. It grows in boggy 
places in cold countries, but appears shy under cultivation. From Siberia and North America. Introduced 
originally in 1828. Flowers in summer. M. Van Houtte of Ghent. 
Eria acervata, Lindley. Heaped Eria (Journ. Sort. Soc, vi. 57). — Nat. Ord., Orchidacea: $ Molaxea;- 
Dendrobid;e. — A stove epiphyte of no beauty. The pseudo-bulbs are compressed, and piled up closely together. 
The leaves straight and sword-shaped ; the flowers small, white, with a tinge of green, two or three together in 
erect axillary racemes. From India. Introduced about 18-19. Flowers in summer. Horticultural Society of London. 
Verbena trifida, Kunth. Three-cleft leaved Verbena (Paxt. Fl. Gard,, i. 1G9). — Nat. Ord., Verbenaceoe. 
— A dwarf, herbaceous, half-hardy perennial, with sweet-scented flowers, but possessing little beauty. It grows 
about a foot high, and has four-cornered stems, stalkless opposite three or five-lobed leaves, and oblong hairy 
heads of pure white flowers. The fragrance is delicious ; and it will probably give rise to a race of sweet-scented 
varieties, having the brilliancy of those now so generally grown as bedding plants. From Santa Martha, in 
New Grenada. Introduced in 1S49. Flowers towards autumn. His Grace the Duke of Northumberland. 
Daphne Houtteana, Lindley. Van Houtte's Daphne (Paxt. Fl. Gard., i. 170). — Nat. Ord., Thymelacea?. 
— Syn., D. Mezereum, fol. atropurpureis, of gardens. — A handsome hardy evergreen plant, with the leaves in part 
of a deep purple colour ; lanceolate and half-leathery as in D. Laurcola. The flowers are purple -lilac, and grow 
from the stem in little stalked cymes. Its origin is unknown. Dr. Planchon suggests it may be the D. papyracea 
of Wattich. Dr. Lindley asks, Can it be a mule between the Mezereum and the Spurge laurel ? Introduced? 
. Flowers in March, rather later than D. Mezereum. 
Echinocactus streptocaui.on, Hooker. Spiral-stemmed Echinoeactus (Hot. Mag., t. 45G2). — Nat. Ord., 
Cactaceaa { Echinocactida;. — A very distinct species, with an erect columnar habit, resembling a Cereus, and 
remarkable for its spirally-twisted stem. At Kcw it grows a foot and a half high, and bears on the ribs of its 
stem densely crowded tufts of stout straight spines. The flowers are small, yellow, three or four issuing from 
the woolly crown at the summit of the stem. From Bolivia. Introduced by Mr. Bridges in 1814. Flowers in 
August. Boyal Botanic Garden, Kew. 
Schcsnia orpositifolia, Stcct:. Opposite-leaved Schcenia (Hot. Mag., t. 4560). — Nat. Ord., Asteraceas \ 
Tubulifloroc-Helichrysete. — A lovely greenhouse annual, quite equal in beauty to the Ehodanthe Manglesii 
and Lawrencella rosea according to Sir W. Hooker's statement. It is an annual plant, with erect, unbranched 
stems, terminating in a broad corymb of showy rose-coloured flower-heads, each head being furnished with 
petal-like coloured involucral scales, spreading to the diameter of an inch, and resembling the radiant flowers of 
many composite plants. The real florets, which are tubular and yellow, form the " eye " or disk. The leaves are 
opposite, joined at the base, linear-lanceolate and acute. From Western Australia. Introduced in 1S40 by Mx. 
Drummond. Flowers in spiing or summer. Royal Botanic Garden, Kew. 
Geranium Thunbergii, Siebold. Thunberg's Crane's-bill (Paxt. Fl. Gard., i. 186). — Nat. Ord., Geraniacece. 
— A prostrate annual weed, with five-lobed leaves, and two-flowered axillary peduncles, the flowers being small 
and purple. From Japan ; and, we presume, introduced to this country, but this is not stated. 
Aconitum sinense, Sieboltl. Chinese Monkshood [Paxt. Fl. Gard., i. 187). — Nat. Ord., Ranunculaceca § 
Hellebores;. — A showy hardy perennial, growing about two feet high, with leaves deeply parted into five 
narrowish incised segments, and deep violet flowers resembling those of the common Monkshood. Dr. Liiullcy 
states that this and the allied A. autumnale are worth a greenhouse, in which, in England, they are seen to 
most advantage. From Japan. Introduced in 1833. Flowers in autumn. 
£ 
PROGRESS OF HORTICULTURE, &c. 
1UTTINGS in Brick Dust. — An American writer, who says he lias lately had great success in 
propagating plants, thinks his good fortune due, in a great measure, to the material lie usi s, which 
is brickdust, such us maybe made by pounding soft bricks. Daphnes, Heaths, Cape Jasmines, and 
plants difficult to root he has planted entirely in brickdust; more freely rooting plants in half 
brickdust and half sandy loam. Damping off rarely happens v hen this material is used; and it is 
surprising how certainly and quickly roots are protruded. — Horticulturist v. 284. 
Analysis Of the Apple. — Dr. .Salisbury, of Albany (U.S.), gives the following BS the result of an 
elaborate analysis of this fruit: 1000 lbs. of fresh apple contain about >N'J7 lbs. of water. 170.1 lbs. of 
organic matter destructible by heat, and 2"6 lbs of inorganic matter or ash. 100 lbs. of fresh 
apple contain about 3*2 lbs. of fibre, 0-2 lbs. of gluten, tat, and wax, .'H lbs. of dextrine. 83 lbs. of 
Sugar and extract, 0-3 lbs. of malic acid, 1-4 lbs. of albumen, 0-1 (i lbs. of casein, and 82'66 lbs. of water. 
1 (Kill lbs. of dry apple contain 17. IS lbs. of ash: 100 lbs. of apple ash contain, when deprived of 
carbonic acid, about 13 lbs. of phosphoric acid; 7 lbs. of sulphuric acid; 3S lbs. of potash; and 25 lbs 
soda; these four bodies forming about 83 per cent, of the w hole ash. Horticulturist, vi. 1 1. 
Stocks fur Coniferm. — As regards a siock for Pinuses, nothing equals P. austriaca; it is hardy, 
robust iii growth, transplants well at almost any age or size, and succeeds in anj soil or situation : 
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