ee Ulm” 
% 
° 
Marc# 20.] THE GARDENERS’ CHRONICLE. 179 
ORTICULTURAL SOCIETY OF LONDON.— pi ipes alon: ng t the these not furnishin tee But is it worth any _ "5 while to ie cach an ex= 
EXHIBITIONS AT THE GARDEN.—All Fellows wh “ 
shall apply on or before Tuesday, the 6th of April, may pevling rn enough, holes 18 ite long and 10inches wide Ms rr for such a purpose ? 
these Exhibitions, at the rate of 3s. 6d. each, any number of | cut over them/‘alternately with the hot-air tubes, which We shall greatly wert to find that ‘these or any 
picrpengng borage Seed ie oe Sere cp rl ¢aken | were also shortened 14 inches; an then, when it | other observations urs have given pain to Mr. 
April any further number of Tickets will be delivered to Fellows, as found that the n gement neutral e Penn, who, we Caen ‘no > doubt, is himself convinced 
on thelr personal application. or written race, at the Driccsion of | effect of the old apparatus, two other hot-water pig g ; but ‘one of the 
one visitor, after one o’clock, to either of the three exhinliions, bes were carried along the front of the vinery: th yj within our view when 
Sa Gockty's Olioe. *, eaten sh nmen seek ee 4-inch pipes were employed to heat the heme, and pads, was, ' gnarl the public being misled 
areeeemnrereeermneremnsrescsemer———nern—vercerne | they failed to do.go---In-a nh e plants in | by extrav: encomiums bencn inventions 4 doubt. 
’ ; front were frozen, altho’ ough the a were cove: I value. The encomium: upon the system in 
Tie Gardeners — Chronicle. with mats, the difference i in the temperafure of the qrestion | hore been tactiial ridiculous ; a1 
t to tong our pledges for the sake 
SATURDAY, MARCH 20, 1841. whole width of the house is only 14 feet. Finally, i in . Weh asse 
MEETINGS IN THE ENSUING WEEK, small plant-stove - —— Cp pipes at work, the | not whe' ove 
Tuesda + get pemooret << +1 See casbipeane could not be raised above 59°, the exter- | have lost their places in consequence of not being able 
Wednesday colopial 2S 8 hates air being 24 was on he 22d Dec to manage Mr. Penn’s apparatus. Can this possibly 
= weekssince (p. 83)’ ) we examined the prin when the intense cold of last winter had not set in be true? 
les of amole of ae os by Mr, Penn small range of houses was fitted up at Roehamp- 
a Zine ¢ and we did ton Sir Charl . For this ‘our 4-inch Bate S loioe sien atone bars vb Ss 
to | hot-water pipes wer k about 9 inches below the appointed to the charge of the Ro al 
our saat This notice has produced us three | back path, and were made to communicate with t Motentnal Camien at Xi, Ve ‘hea pi 
lasses of correspondents : the first simply abusive,— | 12in. by 5 in, in aperture, and 5 ft. high. After several | 11) be sooo pes nee aes od 
second remonstrating nst an alleg ir- | trials it was found the highest tem ¢ ever | >ovements in this important establishment as will en- 
ness in our criticism,—and the third thanking us for | obtained 50°, the temperature of the external air aan oe cficiency and prove that the i resi Jan 
the exposure of =, system, and only regretting that = ing 34° ; in the cen art of the range, which is | o¢ destroying it inst ear entertain a 
To the first we haveno answer | 15 feet wide, it was not penne fp exclude frost, there | tom pide ‘ a Go Fg tte. she 
to return; the third I veaniees panes. to the second is being a difference of 15° betw = fsperione oil. of bw hav Midete’s Sood This 
= —_ proceed and it was found necessary ommon | © rage nag ee mt, vies or Béteay tn 
gar eres gm Fe the oben that cy — taken | stove, oe was still a with 3 its agai the University of G y : 7 
a's our alleged un: in explain . Penn's | ¢ he roof when our informant visited this 
system by reference tb his pens pla, Seas of his | place on te 1 one of. last February. The reason of this ON ROOT-GRAFTING. 
most recent modifica’ - it, and our great respect | may, w xplained without —_ difficulty g. KniGut was the first who ascertained the possi- 
for some of w. ve urged upon us, we Let sie ae “ B, C, represent a ion of ae bility of grafting scions on pieces of the roots of the same 
must take the liberty isti for | of Mr. Penn’s houses ; let D be the eee tof yar y of | & Fame Ae oA — : wee 9 made his 
this simple reason, that it will enable us the most hot and 5 | Sees yd ieiite yl - orticnlonrsl 
Z % s . years since, it was 100 on 
readil -digaie aR - Penn se really that of egress of | as an interes’ fact in yegetable physiology. Sub; 
is, If w e this gentleman’s p! entiyely, cold air. It is tly, however, the practi extensively 
we shall find d that 1 it is intended to rar — flowing assumed by Mr, | ¢™ployed in the nurseries to multiply rare plants or such 
ends: ist, vey warmth to a ouse Penn pd ps anon to propagate by the Fg} 
of hot air, and not by radiation ; et to heat ees fesh hot air will a nth -grafting i 
air before itis introduced into ‘the house ; 3d, t ob- B and th ged gy toa ng esrdencin that ‘slater 
tain descend to E in | #2y difficulty occurs in propag oat scarce plant 
back of the house = a EES conmnniesting by consequence ¢| by the ordinary modes, the g gardener ‘arat fbn the 
means of drains Leia the in a the the and by mM the sacking force | a nag el to “cs the "new some * belong. am Ps res 
means of tubes ; the apparatus 1 exertedat A; but | whi f his new plant with as m 
thus ‘a ng a2 iy w all the he ated | A ‘ ® this evidently did per ha as he would the apple on =the rab, ond and gene. 
air into panelbspeormve mene ale t e| t happen in the houses of Lord Ailsa and Sir rally co ae & reason out of 
betes, 3 ‘all th id tea Charles Ogle, and, we lets ed does happen in une. why pamienert pat a oe nore 
4 ay that 1s supposed. concelye Fi i i i 
phe a and to a the eee air downwards to to tkeghes is this the heated air accumulates 4 york e Li ree: pr pe re 
the level of the floor. the point B, or in the upper part of the house B, D, F,| Mere propagation of rare species is, howeyer, by no 
To originality in the first point Mr. Penn makes no | where it loses its bat with a rapidity proportionate to | e gti the vomit site olen fain pate at petine im 
oa; ae the pane ae ae 5 pica ae ys the cold of ies ternal ai q an d it only settles down: a one is, that by its means we gain one grand 
wards as it tty forming in the lower part of perhaps the surest 
effi publi in the ss “1624 by Mr. John house, G H, a cold hich the aperture E. step of an say thal bax yet beoe Cacegar ute 
Hayward, a well-known upon horticulture ; a | If this be so _ is obvious a the difficulty of heatin g ek Rape tage oreee grees td the gutiomin ses 
contri called « Forman’s pit,” of which some aec- | such a house by Mr. Penn’s method will bein p _, When 
t is to be found in ve Sat ners Ra qu Vol 
tion to the height of the pies e D, and in very told 
wi possi 
sqnker, th che fa fat, bt enther the Serco 
brea isa a hasty 
a view to cs 
very like Mr. Penn’s arran: d conclesuae: the king- 
aaa ats very walaeit a is arange a may be alleged ‘that, notwithstanding this, the a phic healthy oe coat ote 
many years ago, by means of a vaulted drain, conveyed Varchant’s ho t + spore Of the same species Gr variety )—sim sienply becouse 
a curient of fresh damp air into his greenhouse from ag se bs Recto oe ‘and i cow eee ee eee 
the surface of a ‘s of water. To in 2 lished to-day i in our may be | roots of this particular stock and graft on them, we may 
ena in the atmospher h I 1 case, the rrp Es spa that, cir _— favour- 
orcing warm air downwards, is, ‘then, in Mr, Penn's le, uit produce cePhg Ba tress *24 
initanea: the cl 9 objectionable part of us Penn’ os plans rie of Lio pareat stock pat: that, particular soi, though they 
ft a is to ~ minds ¢ quite ¢ m. all that we | of house is ers by ms heat of the tan- | propitious pp sags Th “gs ition in trees eee te 
that tend st a everything | pit. And in M a 's, as we learn from sec- tifically explained ; ago we can easily account 
iat e ‘or se the hot- for its effects. Apples and pears d on seedling 
ater pipes were. ae — obligingly fora -pit in pal bi br yl gaan stocks from seeds of the wild “sheers 
shied ; and for the same reason they are now buried | houses, té say nothing of four 4-inch args pipes | whi oe te more cadity poe edlings of 
in the floor, beneath tubes rising up the back wall. It | to heat s 9 to 15 feet wide. In like le and pear—indeed seedlings of , however 
is no doubt true the of the — 3 | manner, in the houses of Mr. of Lateg sonty thay ney peectaate ET aus geceety tod 
but ina plan wus of this hn en by Mr. | the apparatus is in action i : with other | Tong are well known: tot ice, ond iti 
Loudon in a 1 oc mite Horticulture sources of h 16 feet b t t y that there —— 
published wide mex pid ago, the hot-air ly vinery, has.a flue, - 4-inch pipes in front, me tock taal in RE apples and 
heighect the! wall.| the fermenting litter of a mushroom bed besides; | pears in one nursery, as there different soils in the 
Sarma cannot even | another, which has only four 4-inch pipes along the aa pas + plant them nia os ae uke ee i. 
ame 8 gtr ss mori Mr. Penn | back, was, when our informant saw , What is called a the others are cankered or showing signs of premature de- 
i hee, and drain our soil as we may, 
by no modifeation of it t heat hough eould be pro- 
stent with 5 f ti even but one tree which flourishes in a parti- 
principle a — erirwer ye ender it efficient, we ess seca atthe Sa Hhe | cular. or oe be afterwards at a loss for stocks 
: 5 the | 5 suit 
— wh glows cans we lees cnd front pipes were added, as we are informed, because ciple for for the last dozen years w ith ri -trees in general 
: with that principle, the method is no ‘longer | the back pipes | not heat the | it hens ocared ome me fo oreibly 
Mr. Penn’s, and the argument is shifted te would be justas extraordinaryif such a heating power | last week : at t 
» applied to a house 16 feet wide, should not be ion 
At the Marquis of Ailsa’s, at St. Margaret's, the we as it would be i which ase lone by the cde of the 
houses have b PEE eT he £1 ont ui eeseeo 
is shy by Me. Pee Mr. Wilmot, ep i aia’ slg eo of es boa 4 
in Europe, telac nasi ee reins in bist health, 
In the early vinery there were four 4-inch hot-water 
were re-grafted lately uk uo tae At paveeans. tan 
