THE GARDENERS’ 
CHRONICLE. 
[Jury 31, 
tain improved | 
p 
healthy ‘condition of the crop ; 0 f 
as e to bake kinds of grain as to 
Wheat. varieti 
tive, from the greater size of the grai 
length of . have been submitted to 1 
it will soo appea ar how a bs may be safe to force 
hy Blame s e; t 
ioe pr eparati on 
more aip and effectual destruction of noxious 
weeds, uite as necessary elements in the 
N as * of high manuring. M. J. B 
FORTUNE’S YELLOW OR e 
ROSE. 
In a“ Sketch of a Visit to China in search of New 
Plants,“ — in the — Vol. of the Journal of a 
Horticultural 
— — Ss and in 
r salm — 
n — Auk” with — ane pro- 
dueed by it in the ih pane of gree 
it was greatly prized; and I h 
succeed equally well in this conntry. 
cause—probably ignorance as 
třeatment required—my palestine Wang-jan-Ve, as the 
Chinese call it, was “ cried down.” It had been bitei 
where it was either starved or burne N 
duction of a very 1 
had bee 
amon 
5 was either allowed to die, or val dug up and thrown 
Thus five or six years have elapsed since the intro- 
duction of this fine Bee and it eah never eee seen 
this eS" corre- 
36), se o have 
been as success —.— Chinese about 'Ningpo 
and Shanghae. With hi a Rose nearly as 
pant as 
seque: 
as the old hing quite ‘ned, aed: ace 
from the middle of May with hundreds ge loose 
er. 
equally 
lately N Tages 55 
e the 
Rose into this state. It is rde hardy, ben ning 
over old walls like an an Be boner ut it re 
soil and plenty o w 
night-soil is one 
uarters per acre is no uncommon their hiini 
ield is often n considerably greater. have given 
be t 
Leaves 7 (at 230° Fah.) 
they are mature. 
boa x tity of their ana and — 8 
quan 
sec 9 the EN of solid matter is inerease 
20 
The follo wing table exhibits a summary o of results, 
e 
e furnished by 1000 parts by weight of fresh leaves :— 
... ean 
d after they 
1849. 1850. 1851. 
292 
26 
134 
119 
Worms dried (to 14 per cent. of solid 
matte s 
1 or refuse of leaves left by the 
ms ! 
1 
By givi 
98 
ving these results another form, it appears 
th 1 
in the — 
es in or 
=] 
aa 
a dry weight represented by 100, the w 
426, and 490 of residue se leaves, or excrem on 80 that 
the nutritive portion w the worms assimilate is only 
about na sixth apie 5 the weight of the leaves ‘whieh 
they actually eat, other five being r 
excr rement or e in supplying the b of 
the w 
It is well known that the worms empty aie 
tain maturity. The intestines are c 
the tesa ains of he ves = 1 
ose, in a few cent. 
not 
| gives a 2 alkaline reaction. 
is not a 
many hundred e a econ in case of 
on 
rs, from 8 to 10 per 
ut te diminution of — e does n 
When the chose 
„place for making its coco 
as 
e time after they dis- 
ng but which 
rt of urine 
. 
1} pe 
tity of uric Som 
lourless lajer pid as 
This 
ee cal, as eee de 
e of carbonate of potash, ining r cent. 
of that salt ; os quantity of the : — a oa 15 
o 20 per cent. of the actual n of the 
What | a 
Entomologists will d doubtless 
answer ay ques 
ertheless, at ve 
ned fasting, ee pas worms pancu as ir a had 
mature, menced their cocoons; 
— male sacle issued at the usual Pa e. They were 
he moths 
of a grain, instead o 
es * which was the average weight of silk in a Sher 
na a practical point of view this 5 shows 
it would be interest g 
f SILK WORMS, 
CHEMICALLY AND PHYSIOLOGICALLY CONSIDERED. 
By M. Evcene Peticor (Comptes Rend 
have been on a small scale, 
ere anthers i two per cent. of deaths; in their 
of China, the mortality i 
cent. 
scale in this country, or in 
3 Weine; probably, t 
a I. ae 
few remarks on the 
cala will be followed by a 
of failure in silkw 
rearing in will be 
Ps an endeavour 
which those causes might be 
ou erk 
to point jag’ the mode 5 
i Sy apoie in future. 
every respect to 
served for drying. ee qu atty 
oo ee A it 
the quantity of 
il worms is is 14 per cent, of 
rms first com 
e oe ag moultings, 
e wo nts, in order ee 
ascertain how far the consequent diminutiveness may be 
hereditary ; and what influence it might have on the 
we, of the silk, 
was found that 1000 grains of worms 
sat grains of cocoons. In determ 
f silk in cocoons, M. Peligot came to the im 
conclusion that the we of silk i 
ion 
e males the 
6-5 grains, whl the females 
weigh more ‘Coie double, the 
to the eggs Arri they then 
Ow, as it is probable that. the female m oths have 
— 8 the h heaviest worms, which have consequently 
a proportionably larger quantity of leaves, it 
usually 
in weight being due 
— that fF 
in 
that ie worms have left as litter 45, 49, and 46 per | not 
to them 
W. 
red | ag 
n a convenient g 
out of m 
n 
f 2} | plants to flower in w 
e 
habit of growt 
obe requi 
produced was 60 T cent. heavier 
contained in the oirs. bably the i 
sil m in the worm Wipes the latter ; 
ik forming ' its e n. n average — 
si . ng yield from 5 w 6 . 
nas per cont, a of their weight 
— 
SSS ———— — 
— ae ee e 
EL ‘own and bloomed 
Speed well was shown at une hibitior 
yds cultural legi i at Chiswick i in 1844, f me o ` 
a” high estim its was formed by pe. 
2 8. however, 15 
n formed of i t, and, as. 17 
habit, 
I must ager 
— a 3 of mi 
- d the subject of this article 5 
ne readers requested to be furni i 
3 jor its eultu — 
Like New Zealand plants generally, it merel requires 
protection from severe 2 bein “iF al but handy in this 
climate. "It has sto inter 1 the 
country with no farther protection “dan the shelter of 
all, and in m: 
oleae it 1 nev 3 
u later than J 
established plants in 
lace them on a front and b 
not over water durin; onths. 
ure 2 papet without loss of time, place 
the young plants tem of 
45° o 
shelf ot the ae 
ush of th. 5 head fre tly in 
— of grow Syringe corer quen 
fine mx bce her, inn mainta rather pape 
but admit air freely on all favo titi occasions, and 
keep the plants near the glass, affording them a the 
light possible, and supplying them ye ar th water 
at the root, when in active growth. JÁ frame will 
anagement, they it 
It will, however, be advisable to regulate the size 0 e 
pots for this shift by the object in view; ifit is desirable 
spring, while 15-inch 
ntended to flower about May or 
the following sum Keep t wen 
t 
summer they will require merely fe 
of watering, s rin ng, stopping, an ae 
$ ih 15 so good tha t very little 
site. K: any lan 
autumn Sowa! ring they oahi ; 
June, and it will be well to decide . blot, 
at which each plant w ill be most acceptable 
and discontinue 3 pike 
ll matured ; will r son's exe 
to be kept me ig 
ul ibe please 7 — 
: and caref ully 
be cut t back and g 
or $ several years 
airy situation in 
during the dull m 
After 1 = “plants sg 
for farther use, as they will last fo 
winter for Seming in ring 
. enhouse 
and 
anure water, they 
when the wo out, or even —— they have 
it would be advan 
destri 
e ma 
had ion, remarks M, ase. to open 
great number of mature worms, and to rem 
silk reservoirs or lobes, with the view of studying com- 
paratively tis ago, and the crude matter from which it 
38 whilst the 
179 
silk 
ins; nt in Bah ae terms, the silk 
— of the turfy pieces 
e | grow Vero 
also 
ier 
eee 
They 
be turned out o 
ye pote 
te ss aan and oe 
raining gar — 
nica s 
5 
thoroughly drained soil, an 
lost trouble will not be much. 
Ae 
Probable tbat, 
t 
