` 240 
EDITORIAL NOTICE, 
Editors and Publisher. ld 
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Letters for ped ication, as well as specimens xd 
planta Ww: naming should be addressed to = 
EDITORS, 41 ellin ington Street, Cove: 
Garden, London ове "поша b be 
WRITTEN ON ONE p sent as 
early in the week as rons ible. Pon daly’ signed by 
the writer rA cana bee ho signature ben os be 
printed, but of goo h. 
Local News ге rres зайн s re 
by в ending to -— Editor $ early to our read of 
Weal events likely 
or of any matters when 
а tice of hortic 
Special Notice to Corre 
do not undertake to pay 
illustrations, 
it is desirable to bring 
"ulturists. 
ondents. —The Editors 
Wie hene for 
sed by their pero vcl 
Editors will be glad to 
RS 207. poe РАЙО НД or drawings tabte 
Jor MM черн te gardens, or of remarkable 
ut they cannot be responsible 
for pou 
APPOINTMENTS FOR THE ENSUING — 
WEEK. 
TUESDAY, 20.— 
Royal ' A toe! Society's Exhibition in the 
grounds of Chelsea Hospital (three — ere чут 
dinner of the H icr al Club derton's 
et E.O., at 6.30 ie 
the Holborn 
Жеш. at 6.45 p.m. je meeting of the 
Kew m: at 6.30 p.m., and annual dinner at 
7.15 p.m., at the Dean ean Hotel, Oxford Street, W.C. 
REN od eh УИ 
Pts 
SALES FOR THE ENSUING ween, 7° т 
WEDNESDAY.— 
Orchids, fec Protheroe & Morris, er- 68, Cheapside, 
alms 
p.m, 
Clearance sale B Bedding Plants 
at the “Nursery, 
Hampton os a: Teddington, at 
13 0 use. by 
AVERAGE TEMPERATURE the — week 
deduced gp rom observations. “бата die last (Sity 
years at Greenwich, 54.29. ^ 
ACTUAL TEMPERATURE :— 
Gardeners’ Chronicle ОВ. 41, Wellington 
Covent hag “on, Tendoi ‚че Wee dag ik 
10 a.m.: Bar., 29.9 temp. 
sunshine, 
The- succulence of cer- 
И tain kinds ert 
of Ѕисси! vegetati 
most 
mena presented by t 
course, not only among lants grow- 
wa such circumstances 
that the plant is unable to absorb it suffi- 
ciently meet its normal wan Thus 
succulents occur among seasid plants, 
„in their e the succulence is 
m 
on the plant to limit: i r-absorp- 
tion so as not to absorb an excess of salin. 
material or to the difficulty of drawing in 
supplies of water only obtainable from 
the salt solution of sea-water. In an ч 
botanical science remaine for 
a long while in recognising in succulence 
m or ptation whereby the plan 
was able to survive and in the 
l circumstances o: environ- 
its 
_ ment, ль, ағар this is but the 
THE _ GARDENERS’ ERS CHRONICLE. 
beginning of wisdom, and there remain 
to answer the more interesting questions 
concerning the mode of origin of succu- 
lence. 
That the succulent ares см чс и 
rements 
a common experim 
ar ahi era to show that 
or leaf of one of t 
y gives off wate 
ens of times more slowly than does the 
leaf of an ordina lant. It is also note- 
worthy and par the “ adaptation" 
that succulent p are lally rich 
in mucilag he presence of consid 
able quantities of gummy substances un- 
dcubtedly bles the cells to hold water 
very strongly, an the plant as a 
тана presents a great resistance to desic- 
„те. most recent observations* app 
point a Я very simple Kemical ея ex- 
на ion the ocurre in the. cutis 
ts 
do not swell to any noteworth t 
when the e up water; pentosans, on 
the contrary, do swell in the presence 
of water, and hence as and deer they are 
produced in plant cells under the in- 
fluence of dod MOD they are able to take 
up and hold f the water supplied to 
em by t pai The c ical origin 
f sueculence would thus seem to be an 
automatie one esiecation—leading to 
the form 
o genis sug- 
ors monn on 
^ planté 8,. ts, and hence a. dvanee 
am 
ucing sap with a 
aridity that succulence is possible. 
Club.—Lord Lambourne 
esent are asked to pem the 
ies F. Tinley, 41, Wellington 
"epar Benevolent Institution. 
nce "eg Wales has acc ed th 
of of President of the Garde anp R 
Institution. King Geo: who is Patron of 
the Fund, rem d ald. the астана office, 
as also did the late King Edw; 
he Mp and Physical Basis of Succulence in 
Plant, Report of preis . T. MacDougal HE Н. A, Spoer. Annual 
ыа оё спа ent of Botanical Research, 
аа Year Book No. 17. 
[May 17, 1919, 
The Chelsea Show. —Although the Royal Horti- 
cultural ее great exhibition 
y and 
at Chelsea on 
Tue y ednesday an ursday next in the 
grounds of tne Royal Hospital, Chelsea, will not 
large as those held in pre-war ye TS, every 
thing points to the show g a great success, 
ll tne usual features will be included, and rock 
gardens will be arranged, as in the ast, in the 
open. The large ten: d on former occasions 
will not be erect year, but there will 
mple ing to п ate such plants аз need 
«енши, а unique 
actual spec 
as 
appointments 
шш апа дї п the pe 
days of the 
Ho: ue = Ex-Ser vice Men.— 
al Di oard of Agriculture 
opened on Mondes the 12th inst., a training 
centre at Shippea Hill, near Lakenheath, 
Suffolk. 
ardiff Gardeners Unite.—The gardeners of 
ff and district have formed a branch of = 
us 
тачи: and embraces of 
gardeners of the district. The secre is t, 
C. Harris, 3, Voke's Row, Bridge Stree 
Llandaff 
From Horticultural Buildings to Aeroplanes.— 
Many of the larger рос тај ah sundries M 
took up, during war, the anufacture © 
munitions me one kind and an We the vues 
kn gown wich firm of pesce ia al builders, 
ness to: ha ue 
tinued, and Messrs. Boulton and P. Paul have «= 
"id ed a mt biplane d the Transatantio 
flight. They c 
Cont making inquiries as 
eee of Á— ne transport, 
men who form a purchased their gr 
from the Nor тт may со i 
patronage in this n new venture of the 
Fruit 
Pieds е gt о а и, т! ‘in 
eed. 31, пав is prefaced by 
Li rowers 
met ard of ук бинни which . "оу Е 
е of the public-spirited manner 
rp 
