268 
THE GARDENERS 
CHRONICLE. 
[APRIL 22, 
drical boilers, of which a description is given p. 87. m t 
Garden of the Society were a collection of plants, comprising 
Epidendrum primulinum and Cattleya Skinneri, fine its Of 
Acacia marginata covered with sulphur-coloured spikes, and 
Grevillea longifolia, having the under-surface of the leaves 
clothed with a substance resembling silk, and with its curious 
one-sided spikes of crimson flowers turned upwards; a pretty 
species of Arbutus, found in Mexico by Mr. Hartweg, and bear- 
ing large panicles of milk-white flowers at the extremity of every 
branch; with cut blooms of Rhododendron augustum and a fine 
deep rose-coloured hybrid variety, and four species of Bérberis. 
A most beautiful and curious Dendrobium, from Manilla, of the 
have been a treat to the lovers 
of Orchidacex. Among the varieties that it contained, were a 
raceme of Dendrobium discolor, nearly two feet long, two varie- 
ties of Dendrobium Pierardi, in great beauty, Maxillaria cristata, 
Schomburgkia crispa, a red edged variety of Gongora maculata, 
and the larger variety of Epidendrum aurantiacum, all in a state 
of most vigorous healt 
LINNEAN SOCIETY. : 
April 18.—The Lord Bishop of Norwich, President, in the chair. 
Dr. Armstrong, Dr. Charles Pope, Dr. Thomas West, and Mr. 
Nathaniel Buckley, were elected Fellows of the Society. Mr. 
Arthur Aikin, Mr. Horton Lloyd, and Mr. Youell, were elected 
anditors. Mr. Edward Forster exhibited a specimen of the trunk 
of an Ivy-bush, nearly a foot in circumference. A continuation 
of Mr. Griffith’s paper, on the development of the ovulum of 
Santalum, Loranthus, &c., was read, he author regards the 
embryo as a development of the pollen tube, and could not con- 
firm Schleiden’s observation of the pushing in of the embryo sac 
by the pollen-tube. In this part of his paper, the author entered 
into several speculations with regard to the nature of the repro- 
ductive organs of Cryptogamic plants. 
FLORICULTURAL SOCIETY. 
Ar the usual meeting on Tuesday various prizes were offered 
for single specimens of Auriculas; but in consequence of the 
South London Society’s Show having been appointed for the 
following day, with the extra attraction of the silver cup offered 
by Mr. J. Dickson, the number of speci jimi 
once passed the ordeal, the credit is in 
proportion to the severity of the trial. 
Ground : 
Tube: | Paste. | colour, | Edge. Pips E 
Dick- a 
son’s Ria I. 
Duke of/ Good. | Very | *Dark |Greyish| Size good, but |—|12 pips.| 2a ¥ 
Sussex, good: |“ and | green, | petals narrow, |= | class. 
1841, good, ther |" and circle | |© 
‘but’ |broader| irregular. 
fea- |than tl 
thery, |ground. 
Matilda’ Rather | Paste | Puce; |Greyish|A slight rough-|| 7 pips.| lst 7 
yeaz. | large, | good, | good’ | aren, /ness perceptible! S| | class. 
a and | even. | on the edyes of © 
clean, | even, | even. ut 
and co 
finely lar, flat, and 
formed, finely formed. 
Comet,| Mode- | Very | Crim- | Bright |Flat, and shape'i|6 pips of, od 
1g4g."| rately | fine in | son. | green, |good, edge very|S|uniform| class. 
good: | quality, and clear. S| size. | 
but gold. | 
starry. i. 
ROYAL SOUTH LONDON FLORICULTURAL SOCIETY, 
First show for the season at the Horns Tavern, Kennington, 
Wednesday, April 19th.—The present exhibition was distin- 
guished by a greater number of fine plants than we have seen 
at any spring show of this society. Among those shown by 
gentlemen’s gardeners, the collection of Mr. Atlee, as_usuai, 
stood conspicuous, and contained a magnificent specimen of 
Cytisus racemosus, nearly 12 feet high; two plants of Acacia 
armata, of immense size, and literally covered with bloom; se- 
veral Heaths, including E. rubracaulis, fastigiata, lutescens, &c; 
Azalea indica alba, pheenicea, &c.; Corrma ventricosa, Pimelea 
lancifolia, and Hoya carnosa, all remarkably large and well. 
grown. The collection of Mr. Bruce was also of great beauty, 
although the plants were generally of a smaller s they were, 
however, excellently grown, and blooming profusely. and con- 
sisted of Eriostemon buxifolium, Diliwynia glycinifolia, Clivea 
nobilis, Polygala grandinosa, Hovea celsi, Elichrysum humile, 
Acacia diffusa, Gesnera Cooperi, Polygala oppositifolia, Euphor- 
bia splenden: alea indica alba, and Erica grandinosa, aris- 
major, Hartnelli, and Andromedzefolia. The collection of 
Mr. Clark had, among others, fine specimens of a Leschenaultia 
formosa, covered with bloom, forming a ball of about two feet 
in diameter, the branches descending far below the edge of the 
pot; a very large Kennedya longiracemosa, K, monophylla, 
Tropexolum Jarratti, Daviesia saligna, D. ulicina, Hovea celsi, 
Muraltia mixta, Azalea indica alba, A ithii coccinea, and 
pheenicea, Kriea rnbricaulis, and others. The fourth collec. 
tion was shown by Mr. Coutts, and contained fine plants of Cho- 
rozema. cordata, Azalea. pheenicea splendida, A. Danielsii, Podolo- 
bium Murrayanum, Scottia dentata, Kennedya monophylla, 
Burchellia capensis, Gardenia radicans, Eutaxia myrtifolia, Cy- 
isus canariensis, Azalea Hibberti pheenicea, Genista Rho- 
dopna, Franciscea Hopeana, Hovea celsi, Pimelea decussata, 
: ¢ Mr. Hally’scon- 
tained Azalea indica alba on the same plant with Phcenicea, 
producing a very pleasing effect, Smithi coccinea, speciosissima, 
* a jana; Kennedya Stirlingii, Elichrysum 
humile, Acacia armata, Hovea celsi, Chorozema varium; an 
Ericas vernix coccinea, Patersonia, and Wilmoriana. Amon 
the plants shown as single specimens were, a very handsome 
plant of Boronia pinnata from Mr. Atlee, which was recom- 
mended fora prize. An Azalea, from J, Allnutt, Esq., and a 
very well-grown plant of Ericaaristata major, from Messrs. Dick- 
son, of Acre-lane. The part of the exhibition next in interest 
to these plants ;was the Auriculas, the best pairs of whic! 
were shown by Mr. Shréder, Mr. Chapman, and Mr. Lidgard 
among amateurs; Mr, Plant among gentlemen’s gardeners, and 
Dickson and Mr, Gaines among professional florists. The 
suecessful pair shown by Mr. Shréder were Earl Stanhope and 
Hedge’s Britannia ; those of Mr. Chapman were, Page’s Cham- 
pion; Mr. Dickson’s were, Dickson’s Unique and Page’s Cham- 
pion; and Mr. Gaines’s were Hudson’s Apollo and Uarris’s 
The best six Auriculas were shown by Mr, Chapman, 
and consisted of Oliver’s Lovely Anne, Dickson’s Duke of Wel- 
lington, Dickson’s Apollo, Conqueror of Europe, Taylor’s Glory, 
and Page’sChampion. The best twelve were shown by Mr. 
Dickson, being Dickson’s Duke of Sussex, Dickson’s Earl Grey, 
Lawrie’s Vield Marshal, Chapman’s Sarah, Conqueror of Europe, 
Gordon’s Champion of England, Schol’s Mango, Taylor’s Glory, 
Grimes’s Privateer, Dickson’s Duke of Cambridge, Page’s Cham- 
pion, and one seedling. The second twelve, shown by Mr. 
Willmer, were Lancashire Hero, Conqueror of Europe, Hedge’s 
Britannia, Smith’s Waterloo, Smith’s Britannia, Page’s Cham- 
pion, Lord Primate, Stretch’s Alexander, Riding’s Junius, Page’s 
Duchess of Oldenburgh, Privateer. and Popplewell’s Conqueror. 
The Y cup given by Mr. Dickson for the best four 
Auriculas, was Shréder with Taylor’s Glory, 
Conqueror of Europe, Page’s Champion, and Smith’s 
Mrs. Smith. 
rt. Thompson, of Iver, took 
only fruit we saw was a box 
COUNTRY SHOWS. 
_ Canterbury Horticultural Society, March 30.—The first exhibi- 
tion for the season took place at the Exchange, and was 
n sly attended. The following is a list of the prizes-— 
Proir.— vv APPLES, 1 and 2, R. Francis, Esq.; Kircuun 
Avptrs, Mr. R. Filmer; 2, J. P. Plumptre, Esq. ; Puars, 1 and, 
R. Francis, Esq. Vicrrantes.—Cucumpers, } and 2, E. Knight, 
E Kipney Bean Rev. W. Brockman. UBARB, E, 
Knight, Esq. Lerrocrs, Mrs. Marsh. Enptve, T. Dorman, 
Esq. Broccont, E. Knight, Esq. SeaKaun, J. Cates, Esq. Best 
Ba T OF SALADING, Mrs. Wel SPARAGUS, Mr. Filmer, 
Musurooms, Mrs. Ramsay. Frowsrs.—Brst Cana Rose 1n 
Por, the Rev, W. Brockman. Best3 Summer Roses 1N FLower, 
Mrs, Webb. Bust 3 Srove Pants, J. G. Shepherd, Esq. Best 
Orcuipackous pirro, Mrs, Webb. Best 4 GreennouseE PLANTs, 
G. Buckley, Esq. Brsr 2 and 3 pirro, T. Dorman, Esq. Bust 
2 Corruas, F, Sankey, Esq. Brsr sincux pirro, G. Buckley, 
Ti IN Fruit, 1 and 2, Mrs. Webb. 
an, Esq. Bust 3 CAMELLIAS IN 
s E DITTO, 
Bossom, J. G. Sheph 
G. Neame, Esq. EST SINGLE DITTO, G. Buckley, Esq. Best 2 
Succ 
J 
deatus, Rev. W. Brockman. BxstT2p1rTro, 
T. Dorman, Esq. Bust 2 Care Buips, Mrs. Webb. Bust AMA- 
Rytiis, J. G, Shepherd, Esq. Brsr Perstan CycLaMen, T. 
Dorman, Esq. Besr 6 Hyacinrus, T. King, Esq, Best 4 prrTo, 
King, Esq. Bust 4 sinenu, T. King, Esq. Best 2 prrro, T. 
Sq. © 4 Narcissus, J. G. Shepherd, Esq. Brest 3 
HINERARIAS, G. Buckley, Esq. Busr 2 prrro, the Rev. W. 
Brockman, ‘t 2 WALLFLOWERS IN Pots, T. Dorman, Esq. 
Cur FLowrrs.—Brst Camxnsias, J. Godfrey, Esq.; 2, J. G. 
Shepherd, Esq. Best BASKET OF SINGLE ANEMONES, Mrs. 
Webb. Brsr Bas or Cur Fiowrrs, G. Buckley, Esq. Best 
12 Pansies, Mr. R: Filmer. Exrra.—Hyacinths, B, Knight, 
sq. Greenhouse Plants, Mrs. Webb. ellia, J. G. Shepherd. 
Floral Device, J. Cates, Esq. Cut Out-of-door Flowers, Mr. Marsh. 
Mosses, Mrs. Grayling.— Canterbury Journal. 
, [Ealing Cucumber Show and Dorking Exhibition, next week.] 
NOTICES or NEW PLANTS WHICH ARE EITHER 
USEFUL OR ORNAMENTAL, 
Br/cium nicoLor. Two-coloured Becium, (Greenhouse 
Shrub). Labiate. Didyndmia Gymnospérmia.— Raised from 
Abyssinian seeds sent to the Horticultural Society, from Paris. 
It is a shrub with downy stems, ovate-lanceolate, serrated, 
slightly petiolated leaves, and verticillasters of beautiful flowers 
arranged in short spikes. e calyx has a broad upper lip, like 
that of an Ocymum; the lower lip is deep, truncate, bordered 
with a close fringe of white hairs, and terminated in front by a 
pair of feeble teeth. he corolla is large, white, with lilac veins, 
and nearly an inch long. It is a greenhouse plant, but coming 
from a warmer climate than many other kinds which we com- 
monly find in greenhouses, it will not bear such a great degree 
of cold in winter, It will flower freely in the autumn and winter 
ina temperature of from 40° to 45°, and is adapted for conserva- 
tories which are kept about this temperature. When potted in 
any light common soil, it grows freely, and is very easily mul- 
tiplied by cuttings.— Botanical Register. 
xvLOBIUM CaPITATUM. Headed Oxylobinm. (Greenhouse 
b.) i Papiliona dndria nia. 
greenhouse shrub of some beauty, imported from Swan River by 
essrs, Lowe and Co., of Clapt with whom 
October last. 
it flowered in 
Denprovium ruémBEUM. Rhomb-lipped Dendrobium, (Stove 
Evpiphyte.) Orchidéceze Malaxex. Gyndndria Mondndria. This 
Cuming to Messrs. Loddiges, with whom it flowered in August 
last. The imported specimen is less vigorous than it may be 
expected to become hereafter, in which case the number of 
lowers will probably be augmented.— Botanical Register. 
eRiste’ntA Humpoupti. Humboldt’s Peristeria. (Stove 
of Venezuela, about three years since. It flow 2 
time in March, 18. n many respects it has the habit of 
Peristéria_Barkeri, but the leaves have longer footstalks.— 
Botanical Register. 
JAMPA/NULA Lavine, Leefling’s Bellflower. (Half-hardy 
Annual.) Campanulicese. Penténdria Monogynia. A beautiful 
little annual, found wild in sandy places all over Portugal, also 
near Madrid, and in the country round Mogador. ‘It grows 
from six to nine inches high, and requires a light rich sandy soil. 
The seeds should be sown either in August or March, and treated 
flower. It may be grown in the open border, if planted in a 
warm and dry situation, after the danger of the spring frost is 
over.—Botanical Regist 
MISCELLANEOUS. 
Royal Botanic Garden, Berlin.—A circular has just 
been addressed by Prof. Link to all the friends of this 
great institution stating that henceforward the corres- 
pondence, which has been entrusted to M. Otto, the 
inspector of the garden, will in future be conducted by 
himself (Prof. Link), or Prof. Kunth, the Vice-Director. 
It is requested that all letters, parcels of seeds, or other 
communications, may be addressed to Prof. Link, with the 
following words written on the lower left-hand corner of 
the direction :—'* Kénigliche Garten, Sachen, (Service du 
Roi 
popular explanation of this important process, from 
Professor Henslow’s 13th Letter to the farmers of Suf- 
folk: — Function of Respiration: I shall be obliged 
to draw a little more deeply upon your faith than was 
necessary in my last letter, whilst I endeavour to ex- 
plain to you that function of the leaf which has been 
named ‘‘respiration.’’ Siill, I do hope to be able to set 
before you two or three very simple experiments, which 
may serve to convince you that botanists are not very far 
wrong in what they have asserted concerning this function. 
The function may be thus expressed—‘‘ that leaves decom- 
pose carbonic acid under the stimulus of light, the oxygen 
of this substance being discharged from the plant into the 
atmosphere, and the carbon fixed as an ingredient of that 
‘proper juice’ by which all parts of the plant are nou- 
rished and developed.”” I shall first ask you to try a 
little experiment which may serve to remove a cause of 
error that might otherwise warp our judgment in estimat- 
ing the actual effects produced by the function we are 
about to consider.—Preliminary Experiment : Place a 
tumbler full of spring or pond water before a fire, and 
another in the direct rays of the sun. As the water 
comes warm, in each case, you will find a number of 
litle bubbles will collect on the bottom and sides of the 
tumblers; and if you place. in the tumblers a piece of 
stick, or metal, or other substance, bubbles will also 
collect upon these. If you place several tumblers of 
water in the direct rays of the sun, and put into them 
differently- coloured substances, you will find that bubbles 
will first make their appearance in those tumblers which 
have the darkest-coloured substances in them; because the 
darker the substance the more rapidly it,will become heated, 
and so heat the water sooner. It is very evident that these 
air-bubbles have made their appearance in consequence 
of the heating of the water. But from whence do these 
bubbles proceed? They are derived from air which we 
may describe as being dissolved in the water, just as we 
find a piece of salt or sugar may be dissolved in water, 
and thus rendered invisible. When we boil water, all the 
air which is thus dissolved in it is driven off; and upon 
allowing it to stand exposed to the airit will again dissolve 
acertain quantity. Warious gases, besides common air, 
may thus be dissolved in water—as carbonic acid, &c.; 
and many springs, upon issuing from their subterranean 
courses, give off into the atmosphere a portion of the 
gases which are dissolved in their waters, and which are 
retained in them so long as they remain underground. 
Whoever has been to Harrowgate is acquainted with the 
offensive odour of the mineral waters of that place of 
public resort; and whoever wishes to have a good idea of 
it without going there, need only smell at a rotten egg, or 
wash out a recently discharged gun-barrel into a tumbler, 
and apply his nose to it. 1 have already observed in my 
seventh letter that common soda-water contains a large 
quantity of carbonic acid. Ihave used the term dissolved 
in these cases in rather an improper sense, but it will pos- 
sibly serve to convey a general idea of what takes place. 
Carbonic acid is thus dissolved in all waters, and is also 
present everywhere in the atmosphere. Supposing, there- 
fore, that leaves can act upon it, and decompose it under 
both circumstances, we may then be able to exhibit the 
result of their action upon that which is dissolved in 
water, even though we might not be able to do so upon that 
which is dispersed in the air; because in the former cases 
the oxygen which is set free would rise through the water 
in bubbles, and we shall see these, whereas, in the latter case 
it would be discharged as an invisible gas into the air, Let 
us try whether we can make this clearer by a simple experi- 
ment.— Z/lustration of the Function of Respiration: Fill 
2 or 3 tumblers with pond or spring water, which will be 
sure, in either case, to hold some carbonic acid in solution. 
Place a leaf or two under the water in each tumbler. I 
find that common laurel leaves are well adapted to expe 
riments of this sort, only from their size they require 
large glass jars, instead of tumblers, unless we cut them 
in halves. In order to place the leaves conveniently 
under the water, I make use of a split shot, or small piece 
of lead, with which I nip the edge of the leaf and leave it 
fixed there. This causes it to sink, and yet retain a ver- 
tical position, Place one tumbler in common daylight, 
and the others in the direct light of thesun. In the former 
you will observe no effect produced; but in the latter 
you will soon find numerous little bubbles making their 
appearance upon the surface of the leaves. I suspect 
these bubbles have not unfrequently been considered to be 
The Respiration of Planis.—We extract the following 
