ee ee ae 
4 
| 
4 
Ee 
: 
on de 
rink at ngs and bri t red by sundo 
all these fr 
1842.] 
THE acne eh RS’ ee 
RTI CULTURAL SOCIETY OF LONDON 
OTICE Is 2 bepor a GIVEN, that the ME EET- 
N°; OF THE CIETY in Regent-Street are et a 
fae. it Tuesday, poston the 4th, 
Meeting-room being under repair 
in consequence of the 
 Ehe GFarvener ’ Chronicle, 
SATURDAY, APE NEE. 20, 1842, 
eas; &e. &e, and 
no change is perceptible in cheat 
We w answer his question x pepy at 
rily ; for it is one connected w ith most curiou 
jeve, obueb ved for the frat time 
since remarked in other cases. 
Fruits in ripening change from green to red, or pur- 
ple, or yellow, if they change at all; but then the al- 
teration is gradual, and so common th 
serve it. 
> 
? 
re borne in the pride of summer. 
he ia set, of these changes, in fruit on the 
one hand eaves on the other, lead to the sus- 
> A 
2 Bas) saad, us veuuihe of Brazil 
aa ina Fitts acids ieneent wt from 
by the action’ ihe rene ; 
ends | 
ne Aloe is 
og soy: violet and next 
ae to ate sans ‘the direct a 
ai of the” Pay 
€ wounds i in 
ung hens ie. when. exposed to 
‘ affected have been proved expe- 
rimentally to leet thet sutt ings if they are ex. 
Posed to oxygen gas, 0 ixtures contain- 
ing free oxygen, or. af ule, of uae but ‘the 
colour is not produeéd when ; mistach ow sy ex- 
7 he 
is, that as be- 
$8: the sweat Leaices tig and as 
the atmosphere contains nothin _but oxygen, onthe 
S oes rogen, and carl acid, it must be the ox 
t 
ss ibeases experimen 
ble of 
thows that the ‘other Lanne 
ne ( r of the ABS alihou h 
new tous, so. cee ane is concerned, is far 
from being a néw phen - On contrary, we 
all know that the four-wi 
nged Eveni 
* in 
white changes to yellow, “es fo originally been violet, 
fog cba bes Gecers t e first day 
ers green the 
the second ; and there is the curious case 
changeable Hibiseus This plant, says M. Ra- 
la Sagra, hi hite i i 
shown in the 
2 tigbonme so rsd = 
equence of 
, will stain litmus paper re Lin a. inc c 
cause of thee ay ae ee 
rygen during the night—but, will nok. alte 
Og das Dog ap 
at noon, at that time the 
lost again. Cie Pe, “vay a ata 
In the case of the 
some substance is Present ‘which Sesnaite ts blue by tae the 
for 
4 “tee alge As bed a 
natur 
is well. Tow, that if Sera : 
the eg the ae ng it. 
ioe dasigll lp aume Coted thai 
insipix — en | 
oa iting 
while the sat, 
ut the red is discharged by accumulated 
gx gen i i as it passes off, allows the red colour 
has been explained i in ay manner. 
in colour, either in plants or animals. The 
n pretend to is, to put into a popular for me 
‘received ideas upon that part of the subject 
upo 
which is connected with our correspondent’s i inquiry. 
hereany manurethat will kill weens? isa que: 
us. Will nitrate of sida, 
nla, Or guano, or urates hat 
be as es one Pig Pe at 
e couldadd, that ney: alk 
ome ac uaintance with the rudiments at 
rm of oi vara physio 
eeds, ther 
NE Ri ialer satan kinds of food, and peris 
upon the, a ge ion of others. ¥ 
of ni trate of s ini 
rare Visible: effet ; half an Pires would probably 
roy a Rhododendron mon stable manure is 
pei - eee plants, and in overdoses will 
Aa Oak feeds greedily upon it. 
to another. But salt cannot be used i 
large doses to extirpate weeds generally, because some 
0 | may imitate the aa. and may flourish under its 
action, and most crops will certainly be destroyed by 
it. Professor. Henny succeeded in ‘des estroying Moss 
and weeds on erevel: walks, by means of corrosive subli- 
equent growth of many sorts of Ho gs iaits 50 
promoting hey vegetation of weeds 
chemi ieal agents can only be em- 
| payed for the destrtiction of weeds in certain speci 
cases, such as the 
nit ate of soda which vac destroy ry 
vegetation. In general, we m k to o 
for riddi elv: ublesome shore mye 
shall find means in industry and co’ sense. 
The two se ab aatapae things, but aay are bested 
ixed 
a ong the ‘more roublesowe weeds are common 
nuals, su hi , Groundsel, Sowthistle, 
ch as 
a Fat 4 In slovenly gardens they are ee Ha ; 
in a well-kept garden they are 
overrun every 
a gardener 
Daye by other means. 
in full aes and 
ge ie 
ored. up 
“a will pm have ites yer that all.this gre 
| nial, Sh egtie amet’ 
roots, req 
Way ; which he must defer ‘illa another oppo 
again, is sae a in ith: thi 
d ce, however, that he rolls his stone at his mas- 
ter’s expense, ot his own. master 
ains of the scandalous state of hi en, our 
There i 1s no excuse for this sort of mismanagement, 
because it costs less to destroy such weeds in the right 
way than in the wrong. 
is to pull them up as fast as the 
eh in the state of seedlin 
ty ’ tually dencrayed: and leaves no young 
{ aan a.week, ¢ 
be ts one “4 cningulsh them ; and if the plan is per 
ie ery soon be nothing for 
do. eet eatin must, Pacers, be asd 
panes thorough extirpat n young; it w 
a do to pull up almose all, re to leave the: canstbdy 
to seed ; for in that case the labour has to’ be all: gone 
oe again, just as if a gardening Bisypbul had been 
t wor 
_ Peope are hardly aware of the rate at which such 
p A little 
iJ 
= 
& 
md 
ith feathery hereon to fly from. place to 
place. <A yer derate specimen of the plant bears 
20 heads capa at ee —s 
a : single plant, in- 
stead of being pulled up, is alowed to stand and flow. 
1 | rish, and seatter its séed abroad upon the wings of the 
wind, twelve thousand, or even ten times twelve 
thousand, seedlings will be anna oe that is a 
pretty eoutidetabie” stone for a ‘garden Sisyphus ‘to 
roll up-hill again. Every saga abould kee: 
be taken to prevent one single spec ound. 
sel producing even its flowers, py to say per in 
a well-m garden 
What is true of Groundsel is equally true of Sow- 
8 | thistle, Chick wea, She eke rd’s- eras and 
the whole race of 
all applied 
a large 
only ‘€ffectual means 
easier ee, 
whet 
ae ATittle tabonF well 
at first, and stea reed ya oe in, will save a 
amount of it-at last, and is 
oo pemeene weeds, which lp 
ict rd ren 
a 
f FAMILIAR BOTANY—No. Ix. 
Where the herbs that hold the p ashi aa 
The ¢ Bryony.— What is that herb whose Seer! and 
40a 
he Gourd ; but whose’ small red. berries s 
Bicehwest and poison ? It is indeed a € a “Gourd. S08 say its 
flowers, with their surface all indented with d 
erm dep nde one cup, and stigmas i in a = 
with herbage 
80, too, tell Ww 
is ‘frosted uaa hardened. ourds 2 
r is itra Bittersweet, and a si of ale, 
whose tempting fruit is death to the heedless woodman > 
t why, then, is its fruit below the calyx? and where- 
h two different a ? It cannot be 
f the ae of the Bittersweet ; 
lation A 
When Leo mpare the this pit aia that oj 
Gourd, ‘I find, in the first place, that it is 
next, that its flowers are green and velees. 
m 
that the young fruitis a little ball, instead of a large ribbed 
pear-shaped body. 
J ntains a Ym 
n, is certain; b why 
Ik 
t be a near relation of it? 1 now 
t of much consec 
gu, which whigh Din "a thin conan should vy my 
