62 
ТНЕ GARDENERS’ CHRONICLE. 
[FEBRUARY 8, 1919, 
to be 
or less 
ied zonal 
H Ban 
H the last кы e Bas. E. 
reac ch to about dick 
ecial ан in the cell-contents may 
he discoloured tissues merely 
containing the products of the au tolytic dis- 
ntes n of 
5 
6 
E 
о 
е protoplasm 
Ы ages of the disease no organisms of d 
appear to be present, but later various sapro- 
phytic bacteria often invade the tissues. me 
these were ed in pure culture, but 
failed to eae nis м disease when inoculated 
into healthy leaves. - Fragments of diseased 
Fic. 22.—cRocus ІМРЕВАТІ : 
tissues inserted under the шы a of 
healthy leaves gave a like х 
ination of these leaf b лт 1еауез опе 
pra itic 
x ee of 
ised. Of these it is 
aedy probable that f for are the result of the 
action of one of local chillin: 
of the leaf- tissues, one probabl 
poisoning, and one of some 
rangement of the pla 
to манме ds cultural con 
Я There can be no doubt M & сон and 
intensive study of pu Spot" would show 
that the seven diseases noted are but a few of 
the m ered b; ica name 
of the recognition of the com- 
isease which leads = one hal 
ants. 
timo or more quite 
resen th 
distinct types 
t, bot nt ath 
disease 
e identical symp 
diseased pl 
entific oy ice whilst in 
be suffer- 
n 
itted “a scien 
contr: a 
y a fung zicidal 
regu 
e tem: 
eally needed is a detailed E 
r 
{йге от та of. this group. of d 
a patient and critical experimental indy py the 
FLOWERS STRIPED WITH REDDISH-PURPLE. 
E Mose relations of 
r environment ; 
1 een 
and a thorough elu 
and biological relations of 
СЕЕ “which 
uch a  foundatio 
of prophylactic 
based. 
presen 
n can a ratio 
and 
be 
sc 
еен Б таг: 
In this ишу the little recognition give 
the sti in plants, os =. Noe ot 
facilities Set су. research specifi 
diseases of horti orticultural 
opportunity 
provided $ nag “the ee dq apres which 
age gl mats if the problems disease 
е zie be solved. Willi Re Brierley, 
гы oe Phytopatho ates Rica ‚ Roth- 
ted Experimental Station, зден 
BULB GARDEN. 
8 IMPERATI. 
Tue sketch reproduced in fi 
Crocus Imperati as 
owe 
in the first w of January. C. Imperati is 
urely one of the st desirable of the winter. 
i hardiness, for the rich- 
l 
r its large, sturd 
flowers of such substance bee үз seem able 
endure the roughes uch ` 
to 
re found on the lower each of the i 
petals is also continued down the tube 
stripes ar the deepest red-purple, and the - 
ound colour of the outside of the outer petals 
either a greyish white or a pale buff. In 
uick response to any gleams of sunshine, the 
outer petals begin unfold, and then display 
the reddish mau ents 
scarcely ov yellod 
man 
n the surface of the ground ad 1 
seldom stands er ТӨБЕ: 
о be found only in à 
Crocu perati appears 
comparative pres area in € Lew: pF ie тшу, 
for it does end far to of the 
crt ein my ч Р р, ykes, 
Charterhouse, Godalming 
_ ORCHID NOTES ANI AND GLEANINGS. - 
ODONTIODA ODA NORMA 
Mr. Paxta Влил has ш 
теа Feriis ia ы this еа y-tin 
raised betw Odon Тайе 3 
ve noted, 
cases whi j 
m has given Ге - 
ch 
ot O. luteo-purpureum 
markably ws od results 
DON TOGLOSSUM LA VICTOIRE 
