THE GARDENERS’ 
CHRONICLE. 
E CONTENTS. 
— Allotm. . 283| Market p gren 
аав. gooseberry Be . 284 
.. mildew .. . 287| Obit 
‘Cabbage caierpiliar, the 285 Smith, Thomas . 287 
- 280| Onion smut os . 284 
ж * oui ... 282| Plants, variability in e: 
Erica arborea alpina ... 283, Prunus yedoensis 
Ernle, Lord, resigna- Roses, crown лам in iE 
Í. . 282| Shamrock 285 
societies ;— " 
Linnean 
Mancheste rand No 
1 Fairchild” lecture the 283 . 986 
- Farm, ero E stock rth 
; 9n the home eres . 287 of England Orchid ,, 286 
bridge. PS: ‚ 284 QM озу cis 
— Fuel сөеп опзез wee 284 from . 978 
poser оон апа nd shrul 1bs— 
6 Styrax japonicu 279 
Bud pporting in stress 279 
Ke јар 
Р 
fl 
.. 277| Trade notes 287 
- Leaves, colour i in 7. 284| Week's work, the 280, 281 
$ ILLUSTRATIONS. 
p Dougiasia laovigata н Ey ж oP ... 280 
| Erica tK " Н КЫРА К, 
3 Mw Wildpr eti ii ота plu ate te) 
Я Indoor flowering таа exhibited by M 
: E bs ear Sons at the Chelsea Show... . 285 
a ана ae 278 
d Smith, Thomas, portrait of. the late 
— Styrax ja um, flowering spray of . 
| » torily, it requires serious attention from lovers 
rst discovered at pruning time, 
of the older branches 
ane the diseas the Ey зач са [де fun; 
are rireqüentl y situated on the FL Е 
of. but this i is- not aiwaydieo, 
they are:generall; found 
then and just above е point of i inseri of 
ep the n e in the disease which 
described 1 at in which it is ж 
Бы. aka by the nateur  rosarian, the 
beginn of the iis is созбай different. 
зе ag the descripti ion of this stage from Mr. 
eorge Massee’s Diseases of Cultivated Eie: 
. 415 :—'' The disease comm one- 
d. 
n size. 
ins, the cells of which are in 
the fungus, consequently ‘the callus 
continues d grow and Ííorm large nodulou 
masses which may extend for m ag ае 
= DRA ANE: p walls known ее" 
the dis that has come 
a ed in an article by 
Dr. Codie on Y “ alae f the Flower Garden " 
in vol, 27 =. e R.H.S. Journal, p. (1902). 
Under e Tumour, whic pee 
the of Ros h he 
вон арзан чода (Mong) he describes 
figures he early у маке of 
е 
куле sporidia. З. as “almond- 
shaped and colourless, tinged у yellow,” 
without mention of the black cases or perithecia 
i ich 
are japan but ^ think he 
with the e troublesome pest 
In. 1909 Mr. George Massee the ec 
Annual, described pa eem tne diseas 
. Cooke qo the name. Briar 
later form taken 
ang me 
yo 
Pes 
eut sacked. ‘by the 
кечо ere 
chr fros 
fai 
the арн was q 
by the disease, 
"s vol, 34 of the R.H.S. Journal, p. 222, 
е “Ра rasitic ru Canker- New Dis-' 
in Roses," H. T. HP Pos мез 
даь of the disease, very fully jg aa 
and calls the tion ө Conickhyrium uckeli: 
which name is also ted by Drs. 
and Schw; in their emere Rosenkrank 
published in 1910. These authors refer to the 
serious — of the disease, and eng at 
it deserves more careful study than i re- 
ceiv The remedy sugg 
ed. is tho guum 
m and burning of all affected parts o 
ases of Cultivated Plants, also 
published = in 1910, це оре Маззее аль ез 
the TE e dresing of tne 
wou. KS. by the a тыйт of the diseased 
stems With tar. 
Prof. M. L. Massey has take n up the 
ject in the American ose Annual for 
p. 64, and 
pee 
1918 
е 
the erity 
removal of the pde irae 13 the crown of 
the рсы ы the dise 
We dnd 
by heating "Hs ‘soil to € F. 
or treating it with formalin (1 pin b to 
lons) at the rate о x two cp pe. cubic fcot. 
Caref i nieasures 
en e 
affected plants, which he at. present advises 
should be сао 
п One cas garde en, If d the 
disease ‘apparently ps after some yon ier: 
l raised the affected batch of plants by 
planting them. rather higher in the soil. 
nnb however, "that the benefit of ese 
hiefly in the facility it afforded for the 
of all diseased tissue, and I doubt 
whether in most cases it would be fou AS to be 
nies while. 
ed 
still obscure. ‘At one time 
of the soil seems toon. Bde “difference, and 
the careful destruction öt is 
the only thing w e is 
Un- 
n andi ma mor 
known of the life history .of ihe ree 
fortunately, it seems ege е at 
temperature most ен to Ro 
White Rose. 
NOTES ON IRISES. 
IRIS HOOGIANA. 
aa recent introduction (see Fig--139) w ia die 
e eic in Turkestan in 1913 s a col- 
behalf of the vi 
n ing оп firm of van 
T gen, aarlem, and is, to my mind, by 
far the best addition tha n made for 
ae icr м 
he Regelia section, 
sik heroes ыу I kowi and 
I. stolonifera, though it is curious ta find i 
with flowers such pure colour а sectio 
which is otherwi ores a for the veining and 
contrasting colours of i E edis r 
with its e aad ape vicibus, je gs 
ofa R , and, if it differs. a tall fn 
Sais neve appuie above the surface. Then, 
however, it grows so fast that, with Eri excep- 
tion of the rare I. Suwarowi, which seldom 
seen in cultivation, it is the first Regelia Tris to 
come’ into flower, though i 
aho eu ob тэн i sometimes the 
Goes of reddish penes Perhaps | E кау ы to 
that the colour in Iris 
pali e pale colour rofl ida daimatioa i а 
approximately that of the- РЫ est I. 
though I хт with Bos say that any I. Hoogiana has 
J 
example of it was, un: 
І received, and Т have 
е Dalmatian coast. 
Hn e ais тейм one thick 
a sharp 
poin ies s biede of the flr It con- 
sists of chose e golden hairs, w. in the 
darker forms are sometimes slightly tipped with | 
a са alla so dak в to be almost . The 
5 
latter, and not that pA E Korolkowi, w 
more co but inclined to Ub am P 
ака, specimens a РТ stolonif 
giana, in which the ers were Badly crush 
and had lost their e oig — be [mae зал 
the Onocyclus is one p i 
the Опосу‹ р im a: two i 
species of Iris cann cies ot be readil B3 
some structural ftre E — we may | take 
the absence of v 
