THE GARDENERS’ CHRONICLE. [N° 24. 
ch 
z te, he cits tor of its of roots, | use. Clear away any of the early-sown kinds that may be 
pore of oxygen, i it constitutes a black substance which | aa cnt te production o aan ae tan yo Sagem no more leaves | running to s seed and — the soil of that nutriment 
pon ah apap rcie gpat combined with three- be freely exposed t. th T. 
Sy Inthe case ei waren a “sates vn not one-half of the shoots | plant Lettuces, and sow for succession, 
oxide. Th id both b deach fe disti d foliage it naturally produces could be thus exp: i the cottage will now be in 
series of salts by combining with acids; but the salts | when trained against a wall, If all the branches of a perfection, and sho Id therefi i oe ee 
d by the prot h way y o 7 ee AP al he lower-bed or depends on 
oxygen from the air, and thus become converted into the | fan-lik gainst Ul, they Id be greatly neatness, and on a due ems bei eing paid to.the staking 
salts of the peroxide.. The colour of a great many st ded ; fori d of qual to that of a sphere, | and tying up oach: 
and soils is principally caused by the presence of a small | the poral, 50h d hin a di 1 section | ingon those ajol ning them, and - occupying more room 
quantity of either the peroxide, or of a mixture of both | of the same, affording a on of only one quarter of | than is necessary. Take up any bulbs that have done fiow- 
of the oxides of iron. The rusting of iron, which pro- | that which + ‘Shae tly had. Hence it is evident that | ering, such as Tulips, Hyacinths, and Agr seme if their 
ceeds so rapidly when iron is exposed to damp air, is | a considerable — of gor — d by wall-trees | leaves are nearly decayed, and preserve them dry until 
caused by the attraction which ts metal has for oxygen. must be effected in way oj This is partly | autumn, Sow some annuals i in thei ir places, or transplant 
_ Itis very remarkable that iron done by sh eg g pruning,and | a few of those f 
the free oxygen always in the aif, but is able to t ke it | p ol by the p f disbudding i Let the | thick. This is now a good pes for r propagating any rts 
ffom it: ith hyd find thatin di ying w d-cut rep nt p t of a bearing sk r cuttings. The double 
air, iron remains clean and bright for along time, whew bud is left t he | , and is, there- ipa pas purple Rocket, <atinen. Wallflowers, Chry- 
rapidly h Pp to the joint action pu air oe a most elegible for raining | in’’ during the season, in | santhemums y ot] easily increased in this 
water, or kept in damp air, under which cir tances | order to Ren next spring, a similar bossing shoot to | way. Pinks and Carnations are more readily obtained | 
water is decomposed and oxide of iron cae. The | that now represented, which will be cui yers than pipings, as the young cuttings of them 
rust of iron is not a } ide, but common! ix- ‘ are t = by florists ; but the plants struck from pipings 
ture of both oxides with a portion of carbonate, or \ al vays pro oduce the finest- nn ge - rs. We shall return 
compound of the protoxide wi ic acid. Al- 
E CORRESPONDEN 
air at ordi HOM 
it rapidly absorbs oxygen, pare myverted Hygrometers. —In the Chronicle (No. Sr) 2 corre- 
into a black scaly oxide ; a piece of iron is 
heated in the fire, a quantity of e. ‘- a brittle black a} is ts elf-acting, simple, economical, and ce Ase I 
formed on its surface, which easily rubs off the iron—and bare, for the last three months, used an in panei for 
. hence this metal is gradually aon away by exposure to © purpose 0! of regulatin ng the moisture of the air-in — 
fire ; it is from this reason that the iron pokers, fire-bars, ] 
and hings m exposed to the fire, gradually pose, I am induced to offer it to your n notice. It co sists 
thinner and thinner the constant of the of an old-fashioned aero! commonly sold in =the 
suri ilst hot, and ; ’ frieti bri opticians’ shops as Leslie’s differential thermometer, for 
coat of protoxide formed. When a piece of iron is the fi which see below. Itis arranged bes hat i 
very strongly heated, it at last begins to burn, thatis to when not nee the fluid stands at zero in the s nt ' 
ry, th inati th F y ‘ove’ me the bulb o f the in te — I ‘place a piece of mi 
on so rapidly, and evolves so much heat, that the whole lin 
tly hot to continue this | common salt in w water ; the a uihin ng been cut into a 
in consequence the iron glows brightly, circular shape, is laid on the rors whilst “= and the 
down in dri f moisture will make it adhere sufficiently. A shelf, or 
time after it has been removed bracket, with sides, top, an and back, is made for it to stand 
the fire in which it was heated. In iron when in 
strongly would catch fire and — to bum tial, and also to prevent the damp wall from having effect 
i ed upon the muslin, i 
idation, and soon stops 
sphere ‘alone. It will be found we to 
attended to.. The cara its action is siriple, If . 
absorption of moisture ex evaporation from the 
cdr portance ite et ba abstance of | lobbaeiRiet: sia ii Wot on Yaa aa see ceperaion ann sae On the contar}y ifthe 
; insebtalnod hp beating pyctes ae ee ae P ? ger paprinan with it. causing the fiuid to fall. general range of the scales 
toe vip Aedes 9 mi Piha’ b fits Acaple ld be | made are fom zero fo 40°, rth ee In my stove, under 
‘the state of vapour fom —— ‘taken not to injure thé bark of the shoot. ‘The buds a, | ‘te general tr pce arene 
condensed into few solid form in a rent part of the rage t not to be’ alfdishudded at the time: 8, | T@nging from om 78° t to 25°, the hygrometer has range rye 
hen exposed to o the air soon crumbles th he fore : tmaes ci others | 15° to 30°... Of ¢ f the instrument boar gs os 
rery ge, q' t inteteale’ of weaaienk id ails ae ke vee it, it ail he eer in the ste 
combining with oxygen. Both th oh ke Sy of range to any degree required; but I do not anticipate thet 
bine with oxygen, and form oxide of | Chee ee sap by a too great privation of | ™ t would be required for th e coldes est pit oF 
uric acid; and hence’ the result of this follge el e terminal shoot is left because there | seal 
» OF Col q 
much used in the arts for a tr of purposes. Pyrites ous was gobs potenily the lowest shoot must be pre- 
is ~ abundantly found i in the mrs of vrionl shaped fast ol phon tena, THR 2s summer the other toast aris 
= dase; tos ke anally: ne een inches after their leaves et en the full size, and 
be a has some degree of firmness. 
PF ewayre of pyrites os exposed to the air, the’base of the — acquii 
Stl 5 deviant aco Rien thy or collected for The shoots of Peach-trees that have been neglected may 
© use of mai of 
quantity. 
reduced to order without any material injury, if the 
removal of superfluous shoots is thus made by little at a 
time. —T. 
COTTAGE GARDENS.—No. XXI. : 
, SOME. of the first-sown Cabbages, Sayoys, and Cauli- 
the as di- 
page 
Lis burnt in @ apne alee 
prea a guantty af 
formed by the pina nr 
that nauseous-smelling gas ces tesiGamanhenior a 
hitter: 
or adic 
; 
