p! a cALToTg U unp C o wderin the no* blaTt. ' 

 -C. D." constructed a span-roofed house 66 



THE GARDENERS' CHRONICLE. 





This is a novel application of the principle 

 have recommended. The engine cannot pul 

 it is expected to heat six very large chambers 

 supply the upper air with heat. We do nol 



m 'late success with our present imp 



ledge of the best mode of applying 1 



still less should we have exp 



nt combustion. The hot 

 were placed ; fii 



'. f ' . 



n.f I.U...U-*! was actually ignited'." In thil 

 the case we find nothing more than th< 

 result of insufficient precautions. Had I 

 been kept filled with water, as it should ha 





u»n-beds. 





lought it necessary 



1 sVreTyTirnor n ecLlary to W atkl°man whe 

 a pruning knife not to draw the blade through 



t complete success, wherever prudence and 



tpplied to an amount of work 

 incapable. 



ARBORICULTURE. 

 res appeared on my article published 

 , which must be adverted to. The i 



me iuuowing statement— » The Uai 

 about two feet in height, having th 



ten for two in the above sentence, and the truth is un- 

 deniable. The writer continues, « Whether or not the 

 died fat not mentioned; but bad I planted 

 • ir roots bo much bent as would be requi- 

 site for trees two feet high in holes of ordinary dimen- 



!. ought Mr. C. 



ieving that shortening tbem at the 



cord, but that reasonable r 



pits. The larger the tree the larger t 



-cutting off the roots 



i r proposes, an 



a very different quantity from one 4 feet in length 

 both from its greater length and thickness. In th< 

 shortened branches the sap moves rapidly, and soon re- 

 turns, and in proportion to the smalluess*< i 

 the trunk is enlarged. I might say more 



the tree is sn 1, young wood 



come rotten in the heart. With regard to 

 branches (the largest probably are meant), the shoi 

 ening suits this part of the process by dwarfing thei 

 as I before noticed. The analogy drawn from the e: 



successful method of giving a speedy effect t 



magnitude sufficient for picturesque purposes, 

 it cannot be done at once, we may assist 



ilson Jones (late M.P. for Denbigh), and Drf Thack 

 -ay, of Chester/' It a; > <. r « tint the Dr. does no 

 regard any particular time or season as > 



' ite for pruning, but prunes every day in the year 

 treatment calcul is growth rathe: 



than to cure it. If I understand the Dr.'s system cor 



ea not possess that love of - 

 hensh. Although pruning may be practised at an' 

 eason without vital danger, 1 think different kinds o 

 rees require different seasons of operation, and I havi 



P*< 



..JdTbS 



wise have been diverted ntn ! 2 S*° " ld . «C 



wise have been diverted into a hunHJT?'!. **- 

 thrive accordingly, the bushy head beu fg n^ 

 found, but a clean, straight stem. I n the 0,1^ 

 Spanish Chestinut, this is particularly cons i "2 

 than if placed \n anv other nn«;t;„„ „_j , oreT1 g »ai 



be practised with success and effect, by men who 

 made themselves masters of ti. 

 ing and science." If prejudice could be rooted 

 the art of pruning might be easily learned ; the 



jects in the two last N 

 disposed to add my c 

 nished. The remark 

 growth of the conn a 



2 D?' orth? Italian" 

 dency to gain a higher 



species differei 



jpear to be questioned by subse- 

 probably the Crocus seen by 



level (presuming it had that &• 



corms, and underground stems in genenl 

 their modes of growth. Many Lilies, aa 



surface in a short time, while othere will 



sse different prop 



earthing up to prevent the exp 

 others form the tubers deeper 



sands of Crocus cormi 

 formed mostly within 



'ather of opinion that 24 i 





e seasons, at Dalwu 





~jly 8 feet high, and in numerous i 



The shortening of the branches enlarges the trn 

 rees, thus pruned, derive more nourishment from 

 m's rays than the unpruned, from which, to a cert 

 ttent, these are excluded. In plantations, pruned 



ronger in texture. It is 

 ^adeScyVair'wh 



— _j writer prouof 

 cuMJiig uown me yourg tree nearly close to the i 



after it had stood in th, nl a 



,rly close to the ground 



m of pruning at an early age, tc 



tree is 15 inches 



Inch time it may be supposed 



wound, and spoil the appearance c 



• by reason of their small bu] . 

 the whole is deposited on the body of the tree. All 

 trees of rapid growth have short, slender branches ; 

 and we only follow Nature in adhering to 

 By shortening the branches, of the Oak, Elm, Ash, &c, 



... . 

 equal in growth the Fir and Willow kinds-a fact never 

 dreamt of under any other management 



• If, of two unequal branches, the strongest 



and stopped in comes stronger, 



and this is one of the most 



:age. Other kinds have varied from this mode of 

 I i. ■■• — which t krs place with Tulips, when a new bulb 



ild one. However, I confess I never instituted any 

 lose examination for the purpose of ascertaining 

 u what way these flowers perpetuate their kind, but 

 ied on in those spots in which Crocuses have been 

 rowing wildly for years ; for gardens are always re- 

 eling accessions to their surface. Such a situat.on is 

 mentioned in the Gardeners' Chronicle for 1841, page 

 133, in the following words :— " Our readers are aware 

 of the growing of spring Crocuses in the P^ ture *T, 

 Sir Henry Bunbury's house, at Barton, Bury St Ed- 

 mund's. They are in extraordinary abundance tn» 

 season ; we never saw a tenth part of the present num- 



they have made their appearance in various and distant 

 parts, where I 'or* »**{ 



tgo, Sir Henry Bunbury turned the course of the 



-as surprisea to reau - ~ - V remembered 

 "the Crocus rarely seeds, as i rew i 



years in English gardens. The former "in 



f well ripened seed whi 



Dutcl 



ible. A good 



Idee of powmg.and **?%«*£%£«* 

 irket, his information wouiu d ^ se ^ a 



=ed A r;; >-s:S 



them fall naturally, and * llow,D &j£ ^.n the young 



sT nave strongly ^ff^Ji 

 .tensive growth of th. Cn*^. 

 ■a ; for nothing can t> e » ^ 

 Sections of such gems early » 



