> 
uy 
nas 4.—1845. THE GA , 
= 4 ] RDENERS CHRONICLE. 51 
TA admit that during a any ten or twenty years a a tree does 
e > 
"g MES GLEN DINNING, since his residence near the | not acquire more or less wood than in Ruai n equ okida of a = y: z rhe = ed ph _ reg 
i 4 ropolis, a ma Srey to be consulted by a| other years ; but if the layers of growth, calculated every | years oid -mgr the former supposition or 764 
~y number of Noblemen n aud Gentlemen in the improvement of | twenty years for abo t eighty years, are of equal thi t u Phin besiack miler compathiions Led. hhi Jo 
AL eir Parks and Gardens, end in the c structi d heating | ness, the quotient will be t i di qual thick- | assign an age 000 or even 6000 years to an extra- 
„ily ot Horticaltural Buildings in the most ECONOMI as well as | bk small, and in this case we ordinar lecid C _ ; 
Uy ual manner. He has now made such arrangements as | MU! e use of the following fo rmulæ: Ist, for trees y deciduous Cypress tree growing in the 
enable him to devote his particular attention to theseim. | which do not increase in hei ght we have V: oy : D* ; | burial-gre ad of Santa Maria de Tesla, in Mexico, 
øt subjects; and Noblemen and Gentlemen desirous of i 
te portan * Martius, too, adopting the ss : 
consulting him, are respectfu aliy. requested to address him at | (D.+ 2d)? — (D — 2d)*;when 8d X ile hf AEA as pan made 
ai Aissi Narsery, near London an d elaborate computation of the age of some colos- 
; sal trees ou nosed t t ( 
i A — w | ana wee promi whey 8 4 xv ae xv A ro uppe o be 'ourbarils, which he fo -= 
e na k nD nD ; one of the | imi y 
i Tie Gardeners Hronicle, . D3: (D +24) ° own words: “ The place where these prodigious 
she A fames, « ood we annual se cin 74 ees were found appeared to me as if it were the 
a — 7 J 2d) — (D—2dP} t ot ortal of a magnificent temple, not construct l by 
Ro SATURDAY, JANUARY 25, 1845. =- 2aD! Vi | the hands of man, but by the Deity Himself, as if to 
E a Wo FoLiawiNa age. Reducing thie this for convenience when we work with large Hage th ind of the spectator with a holy dread 
Hens Jas Bevedniel ee numbers, this expression been omes is own presence. Never before had I beheld such 
Beat. Jen Ereg A Ai c(6D 8 D°)d v ¡enormous trunks; they looked more like living rocks 
ini Mak i ikiia pean | than trees, for it was « only o pinnacle of their 
Pamat, - Feb. 7 Botanical : : 8 rx The estimator who prefers ing the circumference bare and naked ame that “oe could be disco- 
of the tree after having determined the diamete er, may vered, and ape such a ance from the 
ne m. readers kno that mach seer ren use the following formule :—Let Pb mas the for m of ne leaves Base not be made pi 
Slice den peeing nr Foy e oy fae of pri ree, and x Arh zip} circumference ofa circle whose vio vaaran l ndiat 8, with outstretched arms, could only 
of t leners in the country object to the use è xd(P — rd) V 4nd V embraceomeof the a = rr Mat 
of the pruning-knife alt In order to settle ns Cf ond Cee teat sor domenica 
r differen raphe And n P? | eylindrical. By cou unting the concentric rings of 
ee orem Stee orm} While, however, we have furnished this extract | such parts as were accessible, the Tee hed tra- 
Wats het iiite oéfrobate Chit for “the use of those whose taste leads them into | veller, whose account we are quoting, arrived at the 
Dace cine Healy t i a | Similar calcula tions, we cannot but add, that if two | conclusion that they were of th ra ‘of H omer, and 
y to settle a Pint whi ch a small h | 
AE of chignion senos, ahd soaa ainola psi Aye n oppia site sides of a tree, anc nd the | 332 years old in gas Pythagoras ; one estim 
+} mean of the number of the ; . 5 
"i rf Say isan’ ou ay a Ear P Pta the aaa layers be so ascer- (indeed, reduced their antiqu athe to “eax years, 
"her ca 
The quest is, however, one o the greatest im- whid } n a 
portance; Ka we would have all who are interested ! ih, i aaa 
in woodland property give it — serious consi- vo tebe i 
on. The course which we ld recommend ine of = heme 
in order to bring ats question to issue is this : 1] Ww hil she oveittee 
ho have nurseries plant out in rows, under exactly ber o f concen 
give a more decisive result 
d what is true of them will be 
er. 
te, experiment ou 
r two yea gn howey. ver, to be persevered 
ripe gt miaa t 
: that w k for r hext Nov qui e ngs ate Apa 
ent will repor 
Fithome fa amn or ill report s ogres Pu and 
=- Sour of our correspond 
ents havin 
a e be ori vat a formal for ale 
Med ect the fol- 
BRAZILIAN TREES, SUPPOSED TO BE OLDER THAN THE ERA OF OUR SAVIOUR, 
4 
Wem 
3 a room an PERI the diameter at the heigt 
nd 
1 fa 
um ber of annual ie claw a mat 
the ann growth of ane rest 
growing in height, by the formula 
jand for those which continue to grow in 
p Might, by the formula Ot aPV 
of tree, V 
lhe = the vol Sots 
be namber of ase mh hich hits metre we rd Fay rings 
These formule de pt u 
f We thee “and 
pts Tan m vt of 
n Dt 
sin which D= 
a 
COT] 
u 
zones 
A evidence of “the age of 
tries w = i a total sus- 
municati 
their ohervatioal te 
the public. 
© 
kac] 
ear an approach to the ear REF of | 
its i gf i inte te obtai ned as s by sig tha ea 
other mode of investigati € | Soci tyi Tore sh 
depth 
are th trac 
while the oftieé has 16, ud. is cient that the average | 9! 
rate of growth will be 13 rings per 
ascertain the dia te e tree, deduct t 
—_— and 
og of ye, ber multiply half the remaining dia 
ter EN e shall have a close approach to the. “Wek a P 
ee. | 
y concentric circles is indeed ge hem,” 3 but fe gare oo 
followed in dete: Candolle the ag ag re} 
e Candolle — 
Gigean, near | interesting communications. 
thts wn, apes D? 
Syed ore C layers by m we hare t i ee 
Thus he found, b 
Td rings, that the average rate of growth vfa 
e trees was 12 or 2 lines - diameter annu 
and hence he inferred that a amous Lime tree, 
topic, respecting which we fh 
ared some additional — — 
PROPAGATING PLANTS 
compel us bi 
return 
