1842.) THE GARDENERS CHRONICLE. 619 
HORTICULTURAL SOCIETY OF LO 
OTICE IS HEREBY GIVEN, that the MERT- 
INGS OF THE SOCIETY in Regent-Street are DISCON. 
NUED rs Tuesday, eg = 4th, in consequence of the 
g-room being under r 
SATURDAY, eens perio 17, 1842, 
* MEETINGS FOR THE TWO FOLLOWING WEEKS. 
Pomday Sept.20. . : 
Ys 97" * } Floricultural eS LS ae } tae sg 
Ritacday, Sept. 24 . Royal Botan’ <0 ae Goes 33 p. 
inTRY SHows.—Sept. 20, Elham. 21, Nottingham, Fave saint Tho: 
ty 23, Norwich, 24, “Wexford. 26, Newcastle. 27, Tamwor mf ag 
Eee attention was lately called by a! correspond- 
to the curious fact that Sir W. Pepys’ garden at 
the most 
eaven inquiry, we 
xe italiane gardener at Tandridge 
jourt, that the present site of the flower-garden there 
a 
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feet. A send ost prepared of sandy loam, decayed 
perl: moult pat sand, and lime, well mixed 
5 “ied is per rfectly true, that in this place, durin 
the late re 5 season, not even a ma: thunder-shower 
having rred, meee has been no occasion 'to water 
the tall sorts of Lobelias and 
ee this opinion we concur. In fact, it is so much 
illustrated by a paragraph in the “Theory of Horti- 
culture,” Sut we take the nberiy of quoting the pas- 
_ Sage entir 
se is dovbtfu prot in the an air, watering 
ans rs the pases Le a air prevents a 
on. Notso when plants in the open 
r are artificially watered. This operation i y 
wea! 
er, and must y 
ery limited in its effects; it can have little if “0 
upon thea atmosphere. Then, the parched ai 
suddenly withdrawn by the momentary supply of 
w. ing cut off by BriSbAiioh” and by pete 
_ through the bibulous substances of which soil usually 
_ consists 
Then, again, the rapid evaporation from the 
soil in dry weather has the effect oO ring the tem- 
perature of the earth is re show 
ious. Su owering, from s a cause, 
does not take place when plants are refreshed by 
cau 
vaporation from the soil, just as it prevents 
piration from the leaves. Moreover, i in 
te! 
cat 
y, or by the fall of rain. is, therefore, 
1 whether artificial witeeind ot plants in the 
vantageous, u in particular a 
assuredly, if it is done at all, it ought to be 
us than usual.”— Theory of Hortieul. 
: N the chronicles of the Queen’s visit to Scotland, i 
is eon that, at Taymouth Castle, Her Maer 
an ant 
ice tha casa ny sapeday made : expressly 
to be a sensible 
aa we like his tone; and ee ae iti is ape we gave 
him a pla 
ap 
ane ies ‘that in many cases a ee eon kee 
tye” t oct ening monks e masters than 
enough to raise 
proving the condition by elusive e represen 
er be r 
me ron ig opportunity of rendering them services in 
tical t; 
yes tandion mp. 
. bettering rs smears sek. oe an idle an 
There are people 3 in the te whe thi a gre 
deal of the rights “ servants, and enh ite be! the 
o pay and feed 
soon put an end to Sardenitie altogetlier. by. 
by whom 
y 
e tru: ist that even “the humblest of our re 
he e 
can 
more eh das at nas ya we wuess 
believe 
em ignorant, | eee ill- PU men ane 
th 
atters. Animal substances, for the most 
putt + undergo decomposition rapidly, being resolved 
carbonic 
resemble any of the forms of organic matter w 
quainted with, yet _ readily be eee to be of. cia ic 
origin, as it is. combustible, burning easily in the fire, 
s 
plain that all soil must contain more or less organic 
matter mingled with the earthy ingredient of which it is 
principally com 
Decaying substances - this description have been 
— humus, and hence a barren sandy soil on which 
is said to be rich in humus. It is evident that the ‘sub- 
laa h "Un, 
stances eal 
r- 
cep n the same way, it may be kept under 
— for a long ie 6 provided air be excluded ; but when 
: soon begi o ch , carbonic 
acid i is lacoste humus diminishes in weight and at the 
time becomes — “ colour hen heated in the 
air, humus inflames an adily burns with a pale mare 
like rotten wood, Witch in fait; men Pare principally 
ee 
e two modifications of humus which are formed 
from iovader proper circumstances. The one ie known 
underthe name of mould, coal of humus, and humin ; whilst 
the other is termed humic acid, e former is the dark- 
mi 
act on humus.. It differs from humus i in pos 
in water, and in which the 
feeble acid, areunited in different proportions, constituting, 
therefore, distinct salts, though sit liable to be decom- 
more powerful s cids. The dark colour of the 
solution formed a the eek oo alkaline salts on humus 
is due to the presence of a small quantity of humates, or 
com of humic acid ; for whenever alkalies act os 
humus, a portion of bumie acid is generated, which co 
bines wit alkali to form a salt. 
Having thus very briefly mentioned the three varieties of 
humus which can exist in soil, a few words may be 
e probable office pallor ed by them in 
respecti 
the nutrition of plants, and the theories respecting them 
have attracted i 
e test attention. In the early 
of this century, when attention was first paid to the 
organic matter always present in fertile soils, it was ob- 
served t i 
solved. e substance th thus extracte fro m the earth was 
a sri are ee e merry er not the rule. 
rofession the 
» ignorant 
the ted two trees in the park on the onatore side a ‘ wer the seared of their class, as to extin 
hic is one of bes noblest attributes of the English 
ntlem. 
that our fair friends will ai a 
cultural be- 
a has : 
wlan ever claim the dignity of ofan & Pesky 
sion, when it is known onourable pro: 
q condescended to iaboan st Py ep of Sens has 
hands. yal 
Noruine can mo re plai sl b a much were 
weeds than the man >. 
| re oe mplaints tat bate been ad- 
or arn on > ihe ris | 
enough sometimes, for what they call eating an | oe [-aatare 
and eosin conse in the nutrition of Aroha were ate 
tributed to its presence in the an the old theory 
Priestley, Ingenhousz and others, was, for the time, — 
aside, and in pla Paap as diay did, that plants de- 
ived their 
n et e carbonic acid gas, or fixed rie 
0: 
great source sored carbon, that it was form ed cay of 
organic matter, and rendered soluble by nt Anes and other 
bases present in the soil. At that period the nature of 
manure was very imperfectly understood, and very crude 
ertained respecti 
