January: 18, 1919.] 
THE GARDENERS’ CHRONICLE. 
re 
THE 
Gardeners Chronicle : 
No. 1673.—SATU RDAY, JANUARY 18, 1919. 
G page cien 
Allotments’ organisa- Ping 81 
tions in Greater Lon- | Papin. че T. of 31 
don 30 | Reader Frank 31 
Bas "suppli of.. 31 | Ro OSes, Fek trian hybrid 33 
Birds SA fruit ate 33 | Seed-testing station, the 
British gardeners gon. 1- national . 30 
gium ‹ uring the 30 | Senecio saxifragoidesand 
Delpbiniums “© eme bs S. lagopus 32 
wy шоро. Rn stock Silver leaf dise 33 
n the hom 35 | Societies — 
F ооа in че 30 Manchester and North 
Food production, on in- of England Orchid.. 35 
creas 82 National. Dahlia 34 
Himalaya Berry , the 27 AE eis op ee EL... i 
Hybridis АЙП and сгов8- Soldiers as tree prun ers’ 31 
oet tnc e flowers 25 Soil ste Dieta m 
"reg 80 andy vegetable produc 
tim ma EAD tio 3 
Mangold W 1 Wurzel .. a: . 98 Tomato production in 
Obitu: Pos A. 31 
Bro ex i notes TO ЭЁ 
Morris, Thomas Дн Woo 8 Look: the^ 28, 29 
Orchi dn otes ёт, 8 Winter flowers .. ь.: 32 
LUSTRATION 8. 
Begonia socotrana.. A 26 
реба John Hartley 27 
Cyprip m Shogun 28 
Ireland, un Andrew, portrait ‘of 35 
Morri: s, Mr. T Los portrait of ү late : +. j 
Pingúisala Rose E 555 Ok 
HYBRIDISATION AND CROSS. 
FERTILISATION OF FLOWERS. 
of new varieties of flowers 
i is 0 of the m 
e stigma r with a view 
to combining in the эзан offspring the pos 
acters of both- The term hybridising is 
t plan 
successful на the pollen should 
Балама the асаа 
wr usually 
е preserved by being 
in ‘soft анара and kept іп а dry 
Ms d be C ur sid separated f: 
it becoming damp. T 
socotrana after it meen and m 
ч fhe ster e wet, and that of the tube- 
ЖЕ: 
rous section of Pagan гареда — similar 
onditions for three weeks. I c t-say from 
ae сера. alah further сеат of time 
у 
pollen may be preserved, as the pollen of some 
kinds of plants will keep longer than that of 
thers. The plant to be crossed should be re- 
oved from others of the same genus, otherwise 
insects or the wind may carry t ollen of other 
flowers on to the stigma and render useless 
ü 
t 
ves about 18 nchée in length; but 
when ie €: Mee they gave evidence 
of a deci oss between the tw wo par ents 
the female paren 
fertilisation nearly always infuses fres h life 
into both nd 
plant flower, speda 
w a species can be use pollen parent. 
Whenever an opportunity occurred I always 
procured fresh ‘‘blood’’ for urpose 
of cross-breeding. In crossing the Javanese 
Rhododendrons I found better results were 
ined whe e cies we d 
than when both parents were from ious 
rosses. Many of our florist’s flowers have 
been greatly improved in size, vigour, a 
ow cultivation of only es 
nest best. I alw: gis | it a good 
to go through a batec plants phe eek 
the pu for coe fring and seed-bearing. 
oved a 
These е others. I found 
that ‘he 4 кай will r acts tive for some 
time if unimpregnated. Only a few flowers on 
emoved, as 
pone into gt retained. 
e fine strains with large flowers and a 
tinet range e pea aried colours of ion 
plants as Sense: Streptocarpus, Primula er 
conica, qu which have become fixed w 
ba cogs e а 
ыгыз тоте dificult to — -pollinate © 
plants Берил to differen and эма. 4 
this is attempted those Met. are re allied 
hs other should be selec Even i aine 
allied plants cannot t be effectively cross- 
ised, and е when a cross 
den 
a variety e 
taken from the ue e the flowers 
were half dev slope. "ind the plant Lege = а 
house in the п where there ther 
gapanthus. were produced аа 4 
About twelve one 
sre raised a on. The foliag gi the 
ааа menda и бокой as though a ero 
been obta d 
ined, as it much resemble Mi 
the peastrum, but when the plants flowered 
they all proved true union. although ed 
had Hippeastrum-like leaves. Had these flow 
been fertilised ain with Hip тб: - 
bably а difference in the bloom might have been 
the , and I have often regre I not 
try . I crossed Hippeastrum sulicum with 
cinna abarinus, and thus р 
and rb pit 
This kept alive 
ering. A 
Haemanthus 
He 
2 
ost remar 
t ny instan 
great improvement on the gone ро 
lings of many other plants vary in 
whilst others retain retain their tre character when 
m flow ers that e been se 
lised. There is no quum nile чуг a hybrid 
al 
will resemble 55 male or female parent ; it 
semble either or be in ediate between both 
I made numero experim ith sev 
species of Bego ; in some the hybrids 
were similar to the female t, and 
took after the male parent; others proved inter- 
mediate bet: bi 
resembled 
c€rimso 
Carri idtii. 
Tue. Reli X with Davisii 
net x „with а. 
resembled the wale parent: — 
. Socotrana v with Rex variety. 
B. scarlet tuberous х with lineata. 
B is x albo coccinea. 
tuberous X with lineata. 
B. Rex x with Burkei 
В. Martiana х with coccinea. 
B. socotrana x with white tuberous. К 
В. Davisii x with Rex variety. 
The ite were intermediate between 
es paren 
secs A x with crimson Tous. 
». yaon tuberous x with зеи 
B. rose tuberous x with gracilis. 
Dad x with Beddomei. 
B. Barkei x WI Rex variety. 
