1076 
THE GARDENERS CHRONICLE AND AGRICULTURAL GAZETTE. 
radicals, or compounds of radicals, 
ge nd zu quod, for де sensible. indications of acidity present. ien vl 
organi 
gen podés present i in ammonia, we are le 
LE "thé n natural veg etable EN into which a 
leaves 
No un 1 apprehend to arise from the immed 
Biol of tho a cid fr om the chlorophyll by. Se 
ly submitting them o pr 
T un becomes Bey dei d 
Now. 108, as we have seen, 
айша, and therefore pass 5 through E. 
ї 
we assume to enter into t compos 
е! 
yet ascertained t 
we are in many instances Nay qi to assume, that 
atom of each of the ihe power o placing, 
not one only, but two, ro even three atoms o 
на. 
бей more than one) wh 
pdt is indicated 
xed. 
e. 
Hemlock, having 
yy be represented 
the alkaloid con 
ihe ‘composition ОСЕ 
thus, 
heir are » not 
have a real existence, аф although 
mpo- lea 
wn of these alkaloids, | 
T 
tallo M р S chloroph: ll or rather the 
a tte bees оош М pany it, to that ү} лае 
е Пу from cell to cell, whilst 
behi nd. 
ged by the lea we 
coloured ако vs the flow OW rer, which ofi 
Часці not qued. derive their characteristic tints 
from. he aci id or alkaline juices which they receive 
11 ured, 
Mil ert: of Graham 
physica 
ut having 
n Leon laid down by the former disi lik 
which struck me on the pe T 
not to omit 
has himself made, as to cer ==. ^ 
as he БУА. eminently s 5 eolit а 
life. 
purposes of 
“ One characteristic qur UE to ther 
mutability. Their рт 
stasis. А colloid m: mpar ко in 
water while existing iid E : tempera 
supersa 
me 
N m н “They probably ombine. in the cells of the flower ш йт ing point, sta 
C; HI princip mpart to them a colloid solut ass 
; dee "nid colloids appear to have " as 
Nicotine, the poisonous principle of the tobacco, | be. dues E the diffusi тезш which y possessed at th. S apa oA or, in other words, a ca fiel 
consisting of C.H; N, may be a nitrile, in which the n they were first Fue and had —— et à gelatinous state, and they often we 
are mdi C d o g to the llo st it. property by combination with other atters. sli ghtest vog from the first to the со! 
substitution of the tribasic radical C,,H e solution of es silici see 
uinine, t Реп } test s, are those | instance, is аку obtain ms 
bark, seems los easily reducible to this formula, as its h fi t cannot be preserved. It id pe fluid for di Р! 
composition starch- reelle" of ihe Potato à ihe other mat- a sealed tube, сз is sure 20 
Ц 
40 Hg, O4 № Aq. 
eived that its эы A may be | 
"E ME fad 
represented thus: 
) 
N Со His 0” | 
Quinine. 
N 4* Coo Hi 0” 
е atoms of amm 
opium, d Y 
weeks ina 
or dog 
the 
ed by t 
ps dialysis а the walls iue containing mem- 
bran s also the with the wegen 
vi e Fir and the Pd in the seeds of t 
Pop == né Босне бу this process so freed fr rom ihe 
es the 
colloid appear to t dis point. For 
recen of silicic acid | deposited from water, su 
are often found to have passed, dur 
ages о? their existence, „from the 
| 
narcotic principle 
M P ed perfectly i innocuous, 
| ы the P that we often rm tle gray, 
* The is, a dy 
matter ; th X [o за ini oida]. Y^ de statcd 
| - еа spots intersperse 
10t blending with, but standing perfectly distinet from, 
MR its en ition bein 
Сынуу +9 Aq, aie а e 
Ub RUNE { ш His Og " 4 2 Aq. 
ie remarked that these bodies, |- 
EU NEL 
- to be dis 
в are да ерові 
“т he latter cis rid and unwholesome would other- 
wise render the Potato ee A food, and hence it is, 
Lia if by frost t the v vesse xia e rupture ; the Dei 
consequence ot the inter. 
5 
f + 
mixturi 
In the same manner е р narcotic principle th 
Poppy, the tonic one in the E s A 
tive one in the Rhubarb, are all lodged in appropriate 
cells, fed parts of the vegetable 
m those in Which T Hoe pm 
W. ihat th 
fin the phenomena of vitality. 
The colloid possesses energia. Itm y be 
a 
“To the gradu ual manner. а which co 
which are iie in е бу mo =з» common nly ап 
the largest quantity, belong in general to the чы of| 
colloids. 
. The oxalic, the me a the malic, and other у ыы | 
шау the characteristic protraction of 
changes be referred." 
Thus far then, Mr. Graham 
of 
ert 
0 : аге 'consequentiy got 
осевв by which ота аге ООСО into glucose or 
fruit sug; 
ded belongs to the 
class of colloids, and is 
himself has 
ply his principles of “14 
beoe 
sion” to the facts of Physiology, 
lig 
меен I do nh 
the Minera. peii foros it presents, can 
| or physical 
Some of th 
next Lecture, in i ch allusion 
appear 
my 
facts Le ch а 
Thi: 
only slowly å diffusible. Tonte it remains permanently | nation by calling in the ai 
in the cells in which it has been produ жы. until рен is at ав m Fus 
-|haps by a fiin c Oran of анн n from it, it is this occasion, that whilst the 
converted into o pectine o fluids through the 
nt at 1 
of many sueculent ree tóm бев ада m кка и, capillarity, and by atmospheric 
Gum, although for ihe pu aree deney io Ы ania prine) 5 vide by i s 
pally derived from! certain species of Acacia, is of the o i 
in the juices of most plants. state Е й io Ъу рћуві ical laws, ^y 
Both being colloids, are retained within the cells | their own respective constitution, and by. 
in which they are generated j but it is ы aspe that 
means. 
E grt opo 
recipi t 
M the ефе тў оја Чоп | dies ee yn 
alumina, and afi 
ed the autumnal tints, peer nd 
operation of an acid, 
colour b 
wn ons n are de 
ipee under the | oth 
‚ Fremy concludes, that the green e 
Mee С Hio 020 
an bL ooi 
Cio Н зо ом 
We obtain Pectine 
Whilst dei 
в even still more «аф € 
be seen below eei rd 
Cis Hj; 0, 
Cis н 010 
н, о 
princ ciple. 
The same is the case with the alkalies, 
anal 
of the ce ceils, m 
er. 
И of each is arrest 
a blue prin 
acid 
ciple through a similar agen t di 
principle is generated less freely v the › utum 
the or summer, the Ма 
"S of 
T i 
cess after 
indi ita its ,W3y to the surface, 
is of f tho mer pareke m A the walls of t 
Рр 
i E S ise х9 to pn the 
exists, of thei ks b th 
чо dilme through, the substanco th ШШЕ) БЧК Us а 
arrested, | public peel à 
by from Mr. 
the greater 
monoj onopol 7 
supplying the | facts. 4 Reader. 
e The 
Kensington, FCS, i "e grin 
23d Nove mber, 1 
eT Бегу, 
à j . © 
ma RE ue ae a du ut a а IM. BAM id аа eea a EE EP B d EAS md I2 A И 
have 
ing proprie 
"irt ié of certain 
eis nds; but this does prove t 
etors said “ “№,” be a simple c case 
Mec à enforce their | 
[EM App zm m m ьа DEBER d 
Се 
firm many 0 
