FesruAaRY 28, 1857. | THE GARDENERS’ CHRONICLE. : 133 
t which is exposed to /-40-poonlise “er common coat of The 
A p. pe tend. RUSTIC FURNITURE FOR COTTAGE Reicks views, bal partly from the dextrine 
GARDENS (see page 117). ae from the old cell wall, and partly from the 
coagulated n>a and juice of the tuber, ne if 
imperfectly 7 ipened. 
The other case is one Ee and in 2e otamische 
Zeitung (Sept 19, 1856), by more 
wonderful, report had been made by Cienkowski of 
the spsitiogsi eous origination of living —— utri 
Potatoes, was so curious that ea 
tter of much interest to repeat the o tions, 
Regel tried in vain to in the same results till he 
the e water with that in which the 
— Potatoes had ted by Cien i this 
for their examination may have so water swa ith Infusoria and minute Alge it was 
mier iar which attend pest: inquiries. It is plain that quite obvious that no great weight eould be ed 
the most ardent naturalist, whatever his intelligence, the occurrence of producti even e 
might find all his efforts baffled in the investigatio. species might be different., It is not therefore to this 
ites of this one tree alon ulties part of the investigation that we can turn with much 
would be scarcely less in other cases, as he would have int he omit matter connected with the 
ce of t such operations in his formation of cell m ne which, when taken in con- 
; numbe oreover e: junction with the iia of Reissek, d m 
parasites is very grea Many e not attention. The starch grai —— in this case 
been referred to the insects which eva nawe ere the subj o i 
-smd the exotic forms, which are no less numerous, a the component parenchym, A few days after 
trefaction 
ero 
presen t almost unknown except as to their iiini has taken place some of the smaller E g grains are 
s ded b 
Pi 
pa urrounde very transparen 
630. The cause of their formation is at present in- splits when strongly comp: , is dissolved by concen- 
in great o ity s in other analogous cases trated sulphuric acid, while Liquor Potasse 
eories have been adduced, but most of these only th h . There is no doubt therefore 
rest on few or insufficient data. The mere presence of about its being actually a membrane. In process € 
y is clearly meee without the time a mem f the sai may be 
ation of some specific ac n of matters con- the act of separation from la grains but of a 
er starch 
different chemical composition n from the starch io If 
tissues, through which they may a matters remained in this condition it might be 
o 
er Sewa the: ere cou could not be at iion “ik 
m 
overal parasites The tauatia e starch within t the same pro takes place a 
ison on t deposition of the and again at the expense of the starch till the amyla- 
ertainly as easy a mcrae of the matter, and this view atter is reduced to a very small nucleus, and 
con nee he e sometimes two or more starch grains ar 
hen the human body is inoculated a common membrane, exactly as the parenchym cells 
maar ae virus, as cow-pox. Ex ts have observed by Reissek. 
1 
The further baiia of swarming pane within 
tarch m of i thread- 
Í diiagh ber! promise greater chance of success the star infusoria with 1 
ean hic 
any exte researches as to the effects which r i 
fllow the pra of the eggs themselves. n he question of cell fi , and is s0 
_ 631. Many modes of paeit these productions | evidently in nvolved in uncertainty for reasons mentioned 
by t of Lacaze- above, that we shall not advert further to it. 
merit of Ping simple, e reeset merely pasi ver, which relates to the origination of one sac of 
mpre espectively exter- 1 ithin another f the s S y 
gall anite those i | parallel with that of the formation of a singl g 
which the gall is altogether exterior to the on cellulos nd the coagulated mass rch grains in 
poi attachmen boiled Potatoes, that it deserves close eration, 
hich the gall is immersed in the tis The sacs in ei ‘ , however perfect, seem purely 
consists in a simple hyp i of the whole; l productions, and there is not the slightest 
erely by p e pretence that n formed 
ing tissues. In the study of exotic galls | those qualities which are called vi n 
ous plant, figured in ` | howeve lls produ ithin or in 
j: p: 32, 0 from Pará, | contact with living organis ough the formation of 
ker’s Journal of Botany Oct. 1849, it the sac > round a particular centre ac- 
d division, consisting Recon: to pur ay chemical laws from the mass which | 
to form a third divi 
be ptr of tbe hard layer of 
é which immediately encloses the nutri- 
tious matter protecting that and the young larva from 
_ Sutward agents, burst through the tissues and appear 
chee a e which anc they do ative prc sha the same 
truly ex 
surrounds that centre, it does not follow that it should 
be entirely void of that Lim prise eneray lif 
though the natural inference wo o regard the 
inclosed protoplasm of the cells as yh ” principai seat of — 
ee, than the cell-wall a thomselvis.: 
n ae gall as Oak 
gall nuts, Oak apples, the spinose galls of the Home Corresponde 
e e plant, which attracts Hi Heating. ekeni a few remarks 
a nat of glandular system of heating from one who ad the 
e artichoke galls of the Oak, in rking Hazard’s apparatus may not be des- 
rall E ie |titate of pia a and they gr Becher oa means of inducing 
: e immediate neighbo where 
P oa in ae a and pA oe th an originated to state t their ange and ra 
i è udiced opinions regarding its or 
ts of the pith or other ma gree eee : perience entirely coincides with that of Mr. gens 
e i alles ng jodge' No. 8. of Tortworth (see Jan. 17, p. 58), as may be 
etree: consisting (To be continued.) gleaned from the following observations : — 
ves, stame cod ened E House, near Bristol, Mr. Hazar SM one of his . 
vinto 
into 
RR 3 
HOW ARE THE CELLS OF PLANTS | patent apparatus, which he guaranteed should heat . 
RMED? 7 lass consi ree houses, © 
crt 
ses in som e 
mercy! i cla ar the most important questions in Vegetable | two of which were small Vineries, the other an ordi : 
$ Cecidomyia piy lives upon | Physiology is whether the formation of cell-membrane is | greenhouse ; the erection was wholly under his super- 
4 Aid. paneer ti T process, or whether it may be ever | intendence ‘and that o his men. Upon trial it 
ink ocala arded as the result of purely chemical conditions. In| was soon found to be quite inadequate to the 
below. The living —_— nd animals, it is quite certain that new ork it was intended to epaper it aera fi 
Kh hiea | cells either in the contents of other cells or in| isadi of heating efficiently m e of. 
_ Such false galia may | matter, mo organisable lymph, in contact with liv ving the houses. . Hazard w. as apprised dof Meg es rag ae 
al 
"| tissues, but the question is whether in cases where it is | rang or i determined that a 
e par- | clear that there can be no vital energy, sacs of cellu- | nary brick ue should be 
e insects, or fore 3 gt í 
ot chemica be form 
te the 
the cell walls themselves became cracked and torn, and intimated by Mr. Cramb. By tl 
a ty the Galls | were ultimately more or less completely resolved into | matters went on better than before ; neverthe 
ETA pa x inde Nat. Jan., 1846. | dextrine. The coagulated mass was next arenes with | inconvenience was constantly experienced by the. 
us, Eulophus, and for instanoe may nourish mire eja thin granu ular somewhat reticulated coat, which in | frequent emission of deleterious gases from the pipes, 
seve 
reg ; : 
becam d iioi a d fir ally | owing to the cracking and wasting away of the material | 
te si according to Dufour, the un- sear pig sang . ssia Hl ke ice ot| wg which the Lecie ate Sage Atmospheric moisture _ 
e iuei aa Eie The hyper: steer “Ing general a single mass only of Aa oe to be) ca ont ich <r what Mr. E 
involved i ina AREE called a gers A sarea 
