336 
THE* GARDENERS ~ CHRONICLE. 
[SEPTEMBER 12, 1874, 2 
the same way. I do not 
Steady. oing species act in o 
£ ing PE repeats itself than 
anyt that more exacti. 
Giycing frutescens. 
upward turn from 
in gardens as G. m 
ferent that some have supposed it a distinct species, with 
name as above. i 
Not only do strikingly distinct forms come suddenly 
into existence, but once born they reproduce neem 
cie 
S 
The Peach in its general form has its branches at a very 
acute i s ; I never saw a plant with TES 
approaching a right angle; but some thirty 
one came into existence with a g angle downwards, 
a iety, and seeds of this reproduce this form 
xactly in v with colour. 
-is of an uniform green—no tendency to vary its shade— 
but ten years ag 
from The Siberian Arbor-vitee is another great 
leap from ‘the T aop Serena =, ey 
from o all t 
An tie parents—there i is little of this hesitation 
in the paelon 
But even reversions are not always gradual. Some 
years ag commo: bylonian Willow sent out 
w suggests another 
are not aay called =. existence 
y different from parent 
bu 
t of c 
n, in our part of the world, at jast: half pa iea 
Liriodendron are from seven-lobed, when 
ter has 
he the swamp, and and the pale one poig up to the. > high 
yet eac en Baene its li 
y vo moe 
to facts, and to facts se 
vation, but I cannot forbear suggesting how 
neater such a theory coincides with possibilities ihai the 
theory of descent by gra wee modifications from a single 
t, where, aon g rie foes, not even 
a host of Liliputi 
road to nt wie lateral veins are typical mid- 
from o t vi e rican has ore nearly 
approached a pinnate form, and bearing the case of the 
iriodendron in mind, we see how this can be brought 
about wi 
gradual modification from a single parent, but in 
ably to some law of Mioi regulating form, 
r of indi- 
n nutrit ion, is 
s of sex, but by t öperalibä of various 
as growing on it. 
ttack, o ey nat interferes with nutrition, and 
we may therefore 
Sudden c osmical disturbayces acting on nutrition 
therefore, constitute a factor equal to great 
are not compelled to 
modifications of form from single 
mena eo for the explanation of all the phenomena we 
review of t sI Tan presented shows, I 
balers, the following tenti 
I. Morphological changes i in in individual plants are not 
pata i thank modific 
ons from Spain: forms follow the same law. 
Va Hatta ons are often n, and of such decided 
Aiara as to be deem “ae 
Th 
generic 
4. ese sudden formations perpetuate themselves, 
and act in all respects the same, as forms which sprin 
a tions. 
ý milar character occur in widely- 
separate loca 
6. Valiations | occur in in communities or a simul- 
ad by causes affecting nutrition, an zeo 
widely distinct species 
Arguing fi m these, new y 
may be suddenly raneal gis om w pre-existing Tonig without 
the a of connecting links, 
THE KUM-QUAT. 
rratt, of Knypersley. The species (Citrus 
japonica) w he ‘originally introduced from China by Mr. 
1842, at gentleman contributed to the 
vat Forti ai Sont in 1869 (see 
Chroni 
it was cu over a large extent vd country in 
China, but more iea y in the more temperate 
a and perhaps even a eee wer rature 
= winter it p, ust be kept cold and dry. 
its season of growth, in summer, it ought to 
have ng Se Á of water, and a temperature of 
from 80° to 100°, and this heat should A well kept 
up in pany in order that young wood may be well 
ripened. Many parts of the United States would 
ae be well adapted for the culture of this fine 
ci 
ae 
Mr. e informs us that the Citrus trifoliata, 
which is 5 quite hardy i in gs and which we recently 
saw there in bloom e open in the = rden of 
the Eco e Médicine, $ is used i ina as a stock 
for the Kant-quat, and ara that a "i iitvodiived 
by him into this country m: 
e plant is very peer both. in fol 
Th iage e and in 
flower, and thi are much relished, particularly 
when | remarks that, by study- 
; under — it grows, this 
i = i as an 
Kum- 
plant. In the coun the 
quat is found in the ar perfection the common 
Orange will not survi 
hand, the 
is = eae there in great 7S Both oe require 
indeed orthern is fr 
summers, in 
Sei hotter than the amei one, “A eae 
varying 80°—100° F., is ne 
to oval the ne ord to form its growth and ripen 
new wood, it will bear 10°—I s- = frost. 
an be: 
old o me thes ta walls 
built of local Ara the S. W. walls. ab bebe eee ik 
Peaches, and 
ihe = tice kinds of fruit Th The 
here have a somewhat and un 
ou ae ite and are amen looked upon by prac- 
en as being unnecessarily costly and unpractic- 
ally. eoititreted for growing fruit, ; however, if they 
pear ratios i 
lack practical utility they serve one intended 
—they vasi = enone the eye. The S.W. wall ou 
plan arse Be br A tkis bie ge 
e 
d every morning and night, applying water over- 
pa ee the hose, never allowing the: mats to be- 
a to light and air w — off the mats during the the 
peel -time, replacing them in the morning, is I 
ued to do until the i of the fifth fab when 
I ames ed with the covering p togna "The pe 
of the young wo pa a then begun to sh 
new growth, 
their new quarters. 
cessful noca en —_— fruit trees vg = n here. 
everal shes easured at hen + tb 
maja inches a above the grout nes all 
dwarf art fan-shaped, tra 
o the wall fo 25 i $ feet pera ‘ak 
opened covered Castle Ashby. 
Romance of Natural History. a this advan 
t to find 
oh a missionary. Whether this 
wp off a missionary by 
e heathen scraped it off a 
ot tell us, but he cial 
** brother or, RAM a fu 
ther?” we may soon expect to see inscribed 
some humble fungoid ‘‘ organism.” [I 
spondent were a surgeon he would kn 
vegetable, EDs.] 
Zanthoxylum alatum.—The reference in your 
number of Aug. 29 (p. 271) to mega alatum 
and fe observation on its unisex 
ual chara 
me, to offer a few additional raiki, 
rae exists, It is now a vigorous little tree, far out-top- 
g the high south wall a soua — it grows, er 
eel 
spreading in other direction as S 
the pruning- it i 
with 
I have that 
plants. D. Hanbury, Clapham Commimh 
Sept. Te 
Chatsworth, — Although a 
the iad Chromicte Oth a zest 
