March 16, 1907. 
THE GARDENING WORLD. 
NOTICES. 
To Readers and Correspondent!. 
“THE GARDENING WORLD” is published by 
f»n ar£N AND SONS, 37 and 38, Shoe Lane, London, K.O. 
-etegranu and Gables: “Buna,” London. Telephone 
*“THB Gardening WORLD” is published erery 
ruesdar and dated for the following Saturday. Pnoe 
1n , Penny. Annual Subscription (prepaid), port free, 
i 6d United Kingdom: 8s. 8d. Abroad. Cheques and 
.rnittan oes generally should be made payable to 
iaclaren and Sons, and crossed London City and Midland 
^Advertisement Orders should be addressed to the Pub- 
ishers. Ths insertion of advertisements cannot be 
-uaranteed for the following issue unless received by 
Saturday before date of publication. 
EDITORIAL.—Letters for publication, specimens for 
ismin* requests for information, manuscripts and 
ihotographs must be addressed to the Editor. Corre- 
nondenta should write on one side of the paper only, 
nd give name and address as well as nom-de-plume. 
the Editor will not be responsible for loss of unaccepted 
nanuscripts, photographs, etc., but if stamps be enclosed 
irdinary care will be exercised to ensure return. It 
layment far photographs or text is desired, the price for 
eproductian must be distinctly staled, and it must be 
understood that only the actual photographer or owner 
if the copyright will be dealt with. All contributions 
if anv kind in the Prize Competitions become the 
property of the Proprietors of “THE GARDENING 
•VORLD." The Editor’s decision in I’rize Competitions is 
^SPKOIMEN COPIES.—The Publishers will be pleased 
a tend specimen copies of “ THE G ' RDENING WORLD 
[or distribution amongst friends, and will appreciate the 
»rv ices rendered by readers in this connection. 
Bditopial. 
TUw ?)&WAas. 
The National Dahlia Society makes an 
endeavour to keep its members fully posted 
up with the names and colour descrip¬ 
tion of all the best varieties that come out 
annually. They first sent out an "Official 
Catalogue and Cultural Guide,” while in 
1905, 1906 and 1907 supplements were 
issued. The present one contains lists of 
all the new varieties that have been reck¬ 
oned worthy of putting into cultivation 
for the first time. Cactus Dahlias are the 
most numerous, no less than-eighty-seven 
being put into commerce this year. Lists 
of a dozen or two dozen suitable for ex¬ 
hibition and a dozen of the best for garden 
decoration are given with the supplement. 
These select lists do not refer entirely to 
the new varieties, but include all the old 
ones that still hold their own as the very 
best for the purpose mentioned. 
jVmmcatt Soosta^ 
Mr. E. S. Salmon, of the South Eastern 
Agricultural College, Wye, Kent, is 
strongly of opinion that the American 
Gooseberry mildew is not a native of 
Europe, and says that the whole weight 
of scientific opinion contradicts the idea 
of its being native. It was introduced to 
Europe about 1900, and Professor Dr. 
Jakob Eriksson, of the Experimental Sta¬ 
tion, Stockholm, Sweden, gives a long 
account of his observations concerning it, 
stating that it made its .appearance in Ire¬ 
land, Russia, and Denmark about the 
same time, and from these three centres 
it has spread more or less over Europe. 
He traces the cause to Gooseberry bushes 
imported from America in the year 1900. 
M e have long been aware that it was very 
difficult to cultivate European Goose¬ 
berries in America on account of the mil¬ 
dew, and all these facts are substantiated 
by Dr. Eriksson. It has proved so des¬ 
tructive in Sweden that two thousand 
bushes in certain districts were grubbed 
up and burned under official supervision 
at the expense of the Government. There 
it is intended to leave off planting Goose¬ 
berries for two years with the object of 
making fresh plantations from her.thy 
stock, by which time they hope the disease 
will have been eradicated. The Govern¬ 
ment is to pay half the value of the Goose 
berries. 
So m e_ Choice Rock foils . 
Saxifraga. (Concluded.) 
S. muscoides Rhei superba. 
The first named variety of this species 
may be reckoned one of medium size, 
whereas the variety now under note is 
one of the largest of the forms of S. 
muscoides. The foliage and stems retain 
when in full flower. The variety serves 
to show the variability of S. muscoides 
and even of S. m. Rhei. There are al¬ 
ready several varieties in cultivation 
differing chiefly in the intensity of their 
colour. As the plant readily comes from 
Saxifraga muscoides Rhei superba. Maclaren and Sons. 
much of the same dwarf habit and mossy 
appearance, but the flower stem; rise up 
to a height of 3 in. or 4 in., and bearing 
flowers twice or three times the size of 
S. m. atropurpurea. The flowers are 
more or less tinted with rosy red, the 
colour being darkest when first expanded. 
A patch of it is really very handsome 
seed, varieties could be obtained in that 
way, and we think the plant is still cap¬ 
able of further improvement for the pur¬ 
pose of rock gardening. 
S. Wallacei. 
This may be described as one of the 
largest of the mossy-leaved type. At one 
Saxifraga Waliacei. 
Maclaren and Sons. 
