436 
THE GARDENERS’ CHRONICLE. 
[June 20, 1857. 
er ene nk ina Fol 
case of the iye as of the Hop. We have, how- 
ever, no right to contradict ‘without — infor- 
mation t a statements of Mr. FORRE What 
urse pianak especially are the 
e first is an 
vg ASTLEY AAR 
alci 
Price, of Margate, “app by m of 
powerful syringes. other is the applion- 
on of the fumes of sulphur (sulphur 
acid) by drawing yan through the Firad a a 
little two-wheeled tru which is fixed by a 
icular shaft a Y niall al con oe S a 
of little pans of burn 
r 
fumes i 
ot pipe. Mr, 
the operation is delicate; but he tells us that- last 
istaft’s -o burnt his pit of 
year a m 
sulphur under his ramada or trellice once week, | provi 
obtained a splendid crop of Oh apes in the imme- 
diate locality of his me ced whereas all the Grapes 
on either T e or aroun were covered with the 
Oidium. One gaa a in te he aprlieation of any 
remedy arises habits of the 
peasants, and another = na scruples, as 
any exertions ij out of the ordinary 
es 
a small vand 
exist at slight as well as much decrement at eye 
elevations. 
ome excellent observations upon this NY he 
by Dr. 
made Hooker in our last year’s 
v fai, Bs It was there shown, fr 
ep 5 observations a as given by reaps OF 
contrary e 3 
that the lowest temperat the surface at 
9A the spring a 35°4 it was 2 
.M. during 
lower at the nas i feet Peru which would be 
us 
1| the abselu 
im ; and, if this 
ttainable, as our ae oem thought. 
time of QUETELET’S ee when ry keban 
of nocturnal radiation are disappearing, i un- 
suitable hour for the peach EEN aes of aeai 
vid 
on as that be 
oai goso this subject was 
therefore desirable and accordingly, in the begin- 
of Som pr anne year, an apparatus 
se 
experien 
at Serious s elevations between the surface and 36 
feet above it. Upon 
meters were fixe 
sg n his be really 
so, spring i should always be at the lowest level 
But when | fi 
ard fruit escapes spring 
hile m 
ed for the pps of determining such | fone 
of the Horticultural | 
hi 
ga AT ular pole five accu- | T° 
at 
seem amine in ae oS 
mr one 
un Lar ro 
was a fon 
nly aay as alee 
no advantage that we co 
down by radiation, mi i 
ood produce, 
of the tel, however, failed, and were pl 
seless in r to secure a late erop oa in 
atts tio ei are called to its condi Partof it 
was already $ stocked, and part, as being aa 
off to prevent any hindrance to its growth, | Í 
He former large patches were EE ae bare, witho 
in the shape of Clover na 
decayed stumps. Tn some cases s the vacant 
had cea: ased, = 
it took its course in a 
ave 
RESTER’S report on both these plans, which he has a self registering therm , 
kindly promised to send us; but we hope that one we and a th was rae -The substance at these points ARS aay he 
A its vivid green tint and had me pale, but was far 
meanwhile he will not entirely abandon the use of ng the state of these ther- 
more thickened and succulent than elsewhere, A fewof 
crude sulphur, taking care that he has really sub- operit was ah Sacaba noted, and we now produce tl tenet 
ie the lower leaves only were affected, while the terminal 
limed sulphur to deal with, and not merely ground the resu niea para ays in april and May when | ones were quite sound. In a time the hlon 
tae aging which not answer the se. vegetation ing active, and when all} portion became spotted with brown, and the green pat 
ende ae anne were most sensible ofl low temperatures. | of the leaflets flaccid. The brown tint was evidently 
| ue to a disorganisation of the cell walls and their on- 
useful discussion took place in our columns | Thermometers at rig tees Pest Abovethesurface, | tents, and the taint spread y down the leafstlt 
of last year concerning a wild plant called Arum - neem affecting at length the stem itself, and extending tothe 
ITALICUM, by some held to be a species distinct et eee eT ee nane t fiom ich: the stems 
om the common A. maculatum, by others 7. 16 | 26 | 97% | 29 | 80 rotted oll, gr ips e shoots wit 
duced to a variety of it e years sinc ar att et oF 32 | 32 ener of their supply of nutriment being 
ERT HawsroveH mentioned the exintenna in wee ae ae Poe ee ually pted. There was not a trace of lings 
os 26 28 28 : peie 
the Talo of Wight of what he considered the et ae | as Peet the Chlorate leaves, nor was there anything 
Arum itali a the continent; but > May 3| 26 | 31 | 32 | 32 about the diseased cells. The roots whee ee 
‘ geet: a “ hl oh, | i Si KE healt; and free from the 
FIELD ora Vectensis, reduced the Isle of 2 BRR is often so destructive to plants of pny = 
Wight plant to a mere v A, maculatum, pe a ee ce al ace Ge Lucerne, Asparagus, Saffron, Carrots, ke, 
owe it not to be the a 5 the re Se , 8} 2 | BRT B1 31 which I at first rather expected to find ee 
acum. ve specimens e Ventnor plant BLID a circular development of the patches. It is £ 
i . HaMBRoUG ; - | This it x tter so diffedlt ® 
n no doubt of that aana KES al Qu iil r a a be but nel opposed hake leani.. Bed de or or ot 
in s ent, and not o | consistent with bor t u induce Chlorosis, but in suc 
ectiy i ht h fir: t state t, nd $ only E oce Ts, as Ww have already d Chl b h 
that = plant is the true A. italicum of continental | said, on the topmost and lowest boughs of a fruit confined to the especial spots 
writers, but that it is esenti ally distinct as aj|tree. It shows conclusively that i in the spring the | C2US®, Or D particular plants o 
species ng tay = * e differences | night temperature near the Lra is much lower w è hier crams on infection, th 
tween the two species ary boà well ex- | than at small dista: abov Aah eas any apparen — 
$ rtunate 
plained by Mr. BABINGTON (see p. , 1856), an It proves that fa air 12 ‘tet above the ground a Tyk: aie" He el : ger inly T 
eed not be now repeated in similar detail. It is/is in ee il and fee Fe - period of infected patehes ad sooi E'R 
SEES to state that oe i m be) a ; pa atal fros e about 3 r than on the sur- |appearance, exactly as it is needful t 
macu is e: in Middlesex, | face itself; that at o4 Tet wi is from 4° to 7°/cro e infected with Rhizoctonium. 
$ italicum is justin flower i ia the Isle of hi warmer ; but that the difference between 24 feet | ject, however, requires further 0 
at the latter is three times as eae very | and 30 feet is immaterial. Surely this is a fact not | peri at present being confined 
part, with knobby corms, firm fiat Tucid |to be lightl ed by the gardener, especially The thickening of the base of the 
ipo bier tit ru dié k low | when it is found that the mepe sbi a bp reminded me of the blister in Peaches 
as GRENIER and veces gte well | ground level the greater the gain which is supposed to arise ge terete 
pointed or dut, ind that the spadix, w. 
shorte: in proportion to the ahs rae prt a ve 
obtuse club-shaped Mes 
Tt s seems 
mmon Wake Ro 
© esiciieibn i in the Flora 
has been ‘ads up from species 
The Editor of the Gardeners’ Chrchisle, much as 
to the on of t arms of bad 
Vectensis 
a 
bicolor, and Epipogium Gmelini, 
which do honour to the acuteness ‘of those who first | 
announced their existence among us. 
Att know that the Rog snag of the air 
diminishes as vn aof in petae is 
> sae at its 
to 0°, or in 
This fact, wh y ili Ib ba 
led Roreatoal b acing a garden a at 
_leve l attainable. ft ge 
the | 
been un- 
in tempera: ontken aer 
a rnat oilit 
te unlike that of thola 
vident, more- | i 
s | that. i ibe: To Sai 
anon fall upon |. 
100° 
produced either 
hi ahs er ae The above table shows aithat al sithough 
eter may not fall below 32° at 24 feet 
shake Ge. e ground, it may stand at "e - ae con 
itself ; nse difference w. sider 
eyi Kieren fi pianis are to even kanil itiatiois 
tur 
cases at least is due to a very mim 
genus Ascomyces, which zm a delicate white 
the thickened surface. I w 
pct My this, which might have react 
the disease from a common 
find soll Tr Aea kind. For the 
ty, but as the 
f temperature, especiall en th owin 
fast, as in the mt Whether thie hi ha ars “ate 
ien: 
t 
y due to the radiation of cold from the anes 
then stenting oe would exist at all eleya- 
re there is no natural fall 
zen in a night, when those in the secon 
escape. 
It is searcely necessary to dwell further upon this 
en | point sc lg: the aba shove cited speak for 
emselves ould like to hear 
e purpose, 
t the inference we 
ee seep a serious question | Gra) 
well. 
nd | dropping o 
portant a 
ir | ahould not be left without 
wae oS 
piss i. ey mantel 
pes, the berries of which became | 
allai in con el 
the Grapes a | 
are ‘prevents the b 
aris, where last 
He also states that it 
The experim Seek 
mine—l, At what per 
farted 2. What Soul yi “the 
of bark taken off? 3. The depth of 
sa 
the 
ving saficient exactness for the 
for or agains 
ya the er eter ven, the dry We 
nating nth "in checking it. 
