202 
THE GARDENERS’ 
CHRONICLE. 
EDITORIAL МОТІСЕ. 
ADVERTISEMENTS should be sent to the 
one req al 41, Wellington Street, Covent 
ard 
tors an — Our onden 
obviate delay in P obtaining уб, дб to ees сот. 
munications, and save us much tme and trouble, if 
Publishing and Editorial, are distinct, and much 
MEN ш o and confusion arise when letters 
mi 
Local New sue espondents will айу oblige 
by sending to the Editors early “intelligence of 
local events likely to be of interest to eaders, 
or of any matters pues it ed ‘desirable. G bring 
e epi of h ticultur 
е 
flowers, нр ete., but Yikes cannot be responsible 
for loss or injury. 
AVERAGE MEAN TEMPERATURE for the ensuing week 
deduced I. observations during the last fifty 
my ыш wich, 48.3. 
ACTU. 
Sod ы пае Office, 41, moumen Street, 
Z Pus Garden, , London, Wednesday y, 
Bar 29.9 temp., 499. ather- Da 
'The recently published. ux 
Mr. 
knowledge of the symptoms rer са 
of this most serious plant malady. 
Mr. Bintner һа 
ш 
a 
Ám 
" 
Юю 
a 
almost i to the height at bipes the wood 
h scolouration 
Like e fa is , however, to 
find · any fungous Mb: in silvered leaves ; 
from which it is to be inferred that the well- 
known effect of Silver Leaf on the leaves— 
e disintegration of | tissue into its in- 
dividual scr determined by toxin 
produced the fungus and carried throug’ 
ue water Maindi to dm leaf-tissues. It is 
i e, however, that Mr. 
Biante has р à inoculation к» that 
the fungus may enter and d pi kan 
provided the latter is miy ak 
ounded as to ех hos es tissues. кее 
dence obtained in t points to the con- 
clusions first that cas i ne 5 generally held—the 
S is- a w e, and second, 
that it may Peg a plant through 
wounds either in the em or in the super- 
ficial roots. Hence т “follows € in some 
cases, for example th in ich in- 
fection has occurred among the higher 
branches, cutting out of all diseased wood 
below the point o robo Be may save 
of the hyphae in growing more rapidly in an 
upward "han in a downwa UTERE 
W owever, infecti taken 
place through € нира не, chances = 
effecting a- cure by surgical mean 
remote. 
It is Meis from these considerations 
it эм of Plum peor which are apt 
to a sth freely should be de Euge so far 
as possible in favo thos 
zé 
gus. 
the Pershore Plum 
is highly Dedit to Silver Leaf 
* “Silver Leaf Disease (Stereum purpureum)," by J. 
ze Bulletin of Miscellaneous LM Tay. 
ie Gardens, Kew, Nos. 6 and 7, 
to be recommended. 
Dis i Experiments 
described Бу Mr. Bintner an 
Ro 
od out at 
fungus obtain di in its parasitic stage yis 
silvered es. Hence the spread of the 
disease, dup re / oe iie ted 
to any new developmen a par. c habit 
on the part pi ‘Stereum purpureum; ean 
о what it be ributed remains 
unknown. 
'The list of plants in which Silver 
5 еп 
Ube 
Leaf 
mo 
$ 
[7 
mes o 
E] 
ud 
ages, Victoria, Gar. 
Belgian Purple iss Damsons, me in the 
followi ing Plum  stocks:— The Brompton, 
МугођеГа то Жи ау. and the 
mmon Plum stock. 
then 
so severely as to require to be grubbed out 
Mr. Bintner's observations which have led 
im to distinguish Silv af disease as 
omprising two distinct maladies are par- 
icularly valuable. He finds that in. certain 
Apples, e.g., Grenadier and Bramley's Seed 
ing, some cultivated. Cherries, Peaches and 
sha 
alue; for it is at s 
some of these may ve г 
to yi sham Silver э af The false and the 
i e 
hereas in t disease they 
lse no regular discolouration in the 
cut | laced in wate i^ 
wx ranches pla 
48 hours do not discolour the fluid as 
case with branches affected with true Saves 
af. 
ee Гы cr designe secs 
due to unsuitable c ultural ‘condition 
in 
is oe ‘infected no eec appear 
be of ava 
ia short of a crusade of extermina- 
tion “will apparentiy rid us of this insidious 
and pervasive pest 
[ОстовЕв 18, 1919. 
Rothamsted Experimental Station.—The п 
laboratories at the Rotham ne E Ex perimental 
Station, Harpenden, will be i nally opened on 
the 20th instant at m. “he the President 
f the Board of the Right Hon 
[n А ленага, 
Lord Lee, С.В.Е., K.C.B. 
tations in the Herbaceous and Alpine 
w.—Readers inter ested in the 
mo "all 
Suis further out, ibus “enlarging the area Ж 
the d of alpin 
Aw t the Newcas ^ m —The aw. 
to йел жее exhibits the show of 
the N humberlan 4 Newcastle 
urham and 
at ne castle, 
Horti "ety included 
a silver med al m or a grou and Palms 
staged by № N. аЙ i West Donna 
ета of rom the Arnold Arboreti 
everal rare and valuable plants have recently 
been tolen from the Arnold Arbo retum, Massa 
chusetts, U.S.A. The specimens taken ' inclu de 
new species of Azalea, introduced to еқ apum 
from China by Mr. 
Arnold. Arboretum. authorit have ere 
reward о or the apprehension of the 
thief. i the firs 
This is me that rare 
plants have disappeared in this [nie from the 
Arnold Arbore шй, spring а rare 
species of Rosa was stolen, a another stripped 
of its seeds. 
Home Grown Sugar erbert Matthews, 
n ed of the Central ` Chamber of. Com- 
thè б, ble British farmers to 
dey 10, crop. He esti- 
ates: that the topp and washed roots would 
yield 12,000 to nae. This quantity d 
Чыра would кеен a value of half а million 
ones sterling, and, “addition, , the by- 
Women’s Produce Exhibition natae ed.—1t 
was decided. because of the railway strike, to 
abandon the | annual exhibition or; 
en 
on su absent dates, and ha 
nclusion that it is 
question of a Кеб гыбы ка 
"абое Н "getting ge амын 
des 
io: very: 
projected railway from 
te {то шнын ass quite n 
e deposits, p^ there will be ample 
iig It mated that ә 
amount to a н B ООО, ‘000 
semples which mier been analy 
of about per cent.” die is 
сино for working 2 
nsidered that a capit of about £4,000, - 
be required to work them All availabi 
information may ^ obta M. 
Chef du Service des Mines y er Morocco. 
Gift aaah dira wings to orit F. 
We a from the Kew Bulletin that Pro mee 
ted five grin 
pes of flow for ibition 
Church’s collection of drawings 
Gall These drawings со 
tion made by his eeu the ме Prof. 
ee opu re ee y years Ke eop 
di works, p 
Id. ‘put the artist oe энн 
of th te 
is he Duich rmed part of the 
t known; they fo ‘fo 
" 
"m 
