268 THE 
GARDENERS 
CHRONICHEE 
[Avcvsr 28, 1875, 
HORTICULTURAL EXHIBITIONS, 1875. 
SEPTEMBER. 
у. —Сгуѕіаї Palace. Autumn Exhibition of Fruit and Flowers. 
pue ws er Horticultural Society's Exhibition. Sec., Mr. 
«бше and West of Scotland Horticultural Society. 
rom tion. Sec., F. G. Dougall, 167, Canning 
Street 
8 and зв d seat Horticultural Society's Show. 
11.—Lee e: аа ath Н Horticultural Society's Exhibition of 
Cottagers’ Prod , C. Helmer, 5, Boone's Road, 
ir.— Thornton Heath Public Hall: 
and Yen bles. 
13 and r4. Jen aration S Show at the Botanical Gardens, Old 
ester. 
15 s tus C Re Caledonian Society. International Fruit and 
r Show in Edinburgh. Sec., J. Stewart, 5, Alva 
EIN Edinburg 
15 and = —Stamford rd Floral and Horticultural Society’s Exhi- 
bitio: neg Park. Hon. Secs., Messrs. Johnson 
23. m hs Horticultural desc wd Ame Autumn Show. 
A. J. Renni yr яй n Stre 
Ocr 
6.— Royal ристи зеза; South caro am 
of Fruit and Flora E^ ommittee gus Shov 
Show of Flowers, Fruits, 
Meeting 
BER. 
Horticultural cud seta паррон 
ruit, Floral, and Scientific aimed 
wm T ? Chronicle, 
SATURDA Y, AUGUST 28, 1875. 
APPOINTMENTS FOR THE ENSUING WEEK 
Aug. Зо ye — — Orchids, at РЧР 
Aug. 31 i Moe с Collection of Minerals, at Stevens' 
— Meeting 
MONDAY, 
TUESDAY, 
Roy al, Tiorticy'tural Society : 
WEDNESDAY, Sept. Н: n ы Flora! Committee 
Sale of Dutch Bulbs, at Stevens’ Rooms. 
Sept. 2 1" RE Ey id at the Alexandra Palace (three 
Sept. 4 
мен чн of s 
S, at I 
AY, 
URSD. 
SATURDAY, ы, of Dutch Bulbs, at Stevens’ Rooms. 
AUR MR аа 
the Journal of the Royal Рема x. 
rn per on the CLI 
T еа П we 
OF CORNWALL ch is of interest fas p 
share that icd county, or sundry portions 
of it, have in furnishing early vicki to the 
London markets. The author. of Fus Pepe is 
show the considerable amterence Tay айс sts 
between the lowest night SEPAN indicated 
bya registering thermometer placed on a stand, 
latter is generally the more important element 
to be considered, and the paper before us 
shows. this clearly. ordi inimum 
] 
more than that indicated by the protected and 
sheltered thermometer. 
pau degrees. us 
It is just these addi- 
. that. безго tender 
(hich Dr. BARHAN 
a friends, has armed Suffice it to say 
bserve 
between the registers of a thermometer placed 
on the top of the Box edging in the garden an 
one on stand have been noted, as follows: 
1863, 12°; 1864, 10^; Pete 1866, 
1867, 8°; 1869, 12°; 1870, IO? ; 1871, 8°; 1872, 
m 1673, та 
3, 
From observations at 200 feet above the sea, 
made near Truro, we cite the following A figures : 
- at other places in the county. At Pen- 
not less so are the low points which, as stated | 
in the memoir before us, have been observed in 
this garden, so famous for the remarkable 
plants grown in it, as noticed at various times in | 
The following figures relate to | 
our columns. 
Penjerrick :— 
LEY эрке А |$ | $ | 
i$ gis 5 Е 
ч et el үл 
EX WCG... 
тоет above grass 24 | 26 | 26 | 18 | 26 | 26 
» und s 20 | 27 | 27 
SA ghi N. E. MS | Ls | 38 | з | 38 | | 37 
тһе radiation from the m depends also | 
oalarge extent on the nature of the surface ; 
22, according to Mr. GLAISHER, if long grass 
be considered as 1000, garden mould is only 
472, sand 454, stone 390, and gravel 288. The 
rate of cooling, however, will naturally depend 
on the extent to which the soil has been heated 
Ju, ake d by his meteorologi- B 
in the previous day. On this point we transfer 
to our pages the brief summary made by Dr. 
WHITLEY many 
corded i 
E үне Society 
‘Four pits, about 2 feet deep and 2 wide, were dug 
in good healthy garden loam. The first NM Pise i with 
mue vá pede sand, the second with g 
with yellow сау Eo the clay-slate, th the fourth 
i үе » zt bo РОО di n а: \ ka id 
ete of the peat was 07 equal to the eden 
cold." 
loam, although naturally wet and. 
It will be of interest e E append notes of 
Dr. BARHAM'S own observ 
** As illustrative of the several RE I A" give the 
results for Nove the fe ; , and fo 
February, April, and — in the later — 
BARHAM of some —— carried out by Mi. 
in the 
ame manner under the turf of the short grass of th 
w ing 
hen the temperature of the soil was lowest, and again 
hig n 
e iba of 
3. The pon 
retaining heat 
Siliceous sand 
sees of it. 
but. 
d 
I 
{ 
and 17? have | 
| 
| 
| 
| 
| 
| 
| 
| 
| 
| 
| 
many years ago Truro, : | 
in the iin of ihe Ba Bath and West of of | 
level with the bos of the plants, 
“The following record of a few зоом madi b 
4 ү E [p E TEM 
c +2 | Г 
“сн одон Sd Жы JPE 
Date ® $3 B EG gÉ $3 1998.9 Remarks, 
avo" жә Oo о sh 
aoe a g Ese] 
| d im ч! ӧ : 
1873. ° é o ù : 
Dec. roj 32. 31.5 22.5 27.0 32.5 Hoar frost, 
w- f 3&e „|. 980. || 290, даа arn Do, -» but less, 
5». 49 350 29.0 Uso "469. 1% 
» 13] 330 3L5 | 25.5 - 28.5 | 33. 3 ‚ less. 
aoi AO 38.0 38.0 38.0 ad: o No fros t 
34.4 330 | 27.6 394 34.9 
Mean .. Be 
ет t ma 
SUI dia. г ee 
er. be stated as a general result from 
the minimum on th о 
egree of cold would se structiv 
at all still; but a de ion of temperature to r5' 
so mes lo by radiation might, fer 
being re 
е hm influen 
wa м inches 
las much 
that the placing of md eR 
nces with every 
ive screens, about 4 feet high, o 
ides of a tender crop, in rows 
apart, mu n ded as. a preservati 
mor nt than the provision of hori 
covering. would also entail very heavy 
whilst it X20 furnish a framework from w 
matting, or other sheltering material, might b 
spread the le or any delicate portion 
the plants. It is not, however, for me to p 
what precise manner, or with what materials, the 
ia view fon 3 x ost readily and cheaply attai 
es. n different localities, and op 
Months. . 
November 
48.1 
2 
° 
46.1 
° o 
| 
nal 
34.3 36.0 38.2 
234313 3 
EEG 
| 
February 
“ 
was 
In the winter 
about 2? а Һап -— the soil ae 
under the grass, which was very hish throughout). 
pcne rpe ge ee 10°, that of the so 
mean mong. of the air was 6 higher de that of ee 
soil, and ve minimum of the air 2° lower than the 
soil. The к васт ч of the soil gradually approximated 
to that of the air until April, when the amount of heat 
e 
PT 
'The 
temperature of the air in the day. The ter 
-in 
rass was hot 
both. к 
*' The relative amount of heat received and retained 
bz the different kinda of soil—a matter of great moment 
ct be readily from the table.” 
umm d i лш jt ee E 
tive of the 
‘effects of shelter d by 
fate, straw, re sn but the perds 
and Dr. S summing u; 
Similar results were observed inland at Bodmin, HE 
is po superior to 
st 5 f th 
which may g guide the cultivator, leaving their applicatioi 
i 
ose has been to 
mine. My purpos 
cts and princi 
E p 
eteoro акл fa 
his h 
«ТІ may a add, as the result of 
through a long series of wears Tae. 
frosts associated with a settled wi 
temperature of the night is at 
than at Penzance, and 
than at Scilly. It has 
the early Potatos or Broccoli have 
blighted in the islands by the light frosts to which 
they are exposed ; and shelter such 
will just prevent 
from falling below 
Mg at Scilly. 
vi 
persons pie, to w 
it is not within my scope t 
} — 
wever, di 
tion of leat by = the body of air enclosed within 
minished through the 
n inte 
ot touch on medi 
