t2 FHE 
GARDENERS 
CHRONICLE. 
[JULY 25, 1874, 
vineyards ; but to put down the plague there must 
be united action, which ought to have been concerted 
at an eden date, and wee must n ie pan upon at 
latest during the present year. de Parville, 
cee eh Kay Hi be urgent a = indicate means 
which en of the 
previs dees fittest to Kapele era the dik 
existences 
y M. 
ie ap 
na Sea 
h 
d guano, for 
sand acts not remag bri iudeii the 
insect erie gion its re repens ut e erki by 
piecing up its respiratory orifices. It i 
fact, that the insecticide powders which Rave tele 
article ol ny monies are era 
ison the insect, but because 
entering its shies 
ee ee ae va 
immediate oe te pode iets wll nt at 
_ It is ige just to add zege sul- 
employed e 
e jury yer the 
i ; gs does 
mas employed other insects, mE i the 
The results accorded sufficiently for them to be relied 
to 
species. 
y of the Vi 
9 parts of air and I o 
of carbon pan ome Pa killed in thirty seconds, 
With 24 of ai sulphuret, a minute suffices, 
With 33 of air a I “of ya sain “they die in two 
on as applicable e enem: 
mixture 
minutes and a half. With 75 of ~ they try to fly, 
fall on their era and perish i 
minutes. ae 4 of air, they are m 
the first few m Fate and de ad in half an hour. With 
254 of air, the flies gia ter ‘hea Ati fall roe a be 
of drowsy coma, and c in an hou 
quarter. Ae it is of title consequence whether te 
Phylloxera is killed in a few minutes or day, 
provided that it a ye! kille ra we see ‘that the 
poisonous atmosphere es! be largely na and yet 
retain its efficiency. the of carbon be 
reptucadt by alkalines a tar, it is id thåt those 
Se are active, Se less so than the sulphuret, 
= 
none ert them 
Je little apparatus which serves to measure the 
onous act vapours on jste cate be mihi 
Wak < mploy ea to ascertain that a plant can support 
the idee which i is fatal to an insect. The r se of the 
the insect tube, the leaves 
air, and oa iA of the 
e poison is aienomge! 
e proportion of I part 
300 of air, pe ety settles E ‘Paylloner' 
business, is wit = te upon the But the 
ons which will daté the Pipoos are a 
under hiesto j and t est $ è 
economical cannot yet be indicated. 
M. Dumas recommends 
the substances which hav 
The sulphydrate 
tiele 
more pa rticularly a trial o! 
e just been mentioned. 
of ammonia appears to furnish 
respe I a: 
good results in every ct s this compou 
hich seems to gi y to certain remedies that 
have already been tried, such as night-soil, se 
ulphurets, &c. va is sufficien m eavy to 
sink into the fi of t nd. It is prepared 
es he grou 
mie Ra by putting sa tag of socom in 
with sulphate of ammonia. The two sub- 
ne oe te in th ion of 55 of dal: 
phuret to 66 of sulphate. "Moreover, » the a 
and the azote of this mixture are n ats 
conta 
stan: 
for the Vine.. TRENI ret of ao on m pa ae 
fully employed, but it is important to diminish its its 
volatility by A it with resinous or oily soaps, 
having potash for their 
The sappan _silpho-ea rbonates studied 
M. Dum combination 
= siaturally. sore then out to t 
culturists. 
: ous gas 
sul of on, a poisonous vapour. Car- 
bonic acid decomposes this salt. The very respi- 
ration of the Ph a source bonic 
cid, will the production of th 
i which are fatal to it e 
thus ot t n 
destraction. . This salt presents sulphu 
not putting 
siedo turn 
potassium 
only. It is to be hoped that we 
obtain it with facility, and at a mod 
ive measures, then. , against the Phyiloxera, 
are these : —Dr owning, g 
may soon 
tion will survive suficient t at to “contaminate the whole 
hed the land. More easures are, therefore, 
ecessary. 
(To be continued.) 
PLANTS HARDY IN THE BOTA- 
NIC GARDEN OF BREST. 
be ee 
at 
eng ani empath ae a 
from their own intrinsic i 
‘numerous localities in 
the Uni 
agement, they 
if not MER S i wih 
haps one of these da; 
treatment of al 
owland gard th ing the « 
— floral gems, as well a 
umber of their bag arsy for to know them is to 
; Wachendorfia thyrsiflora, L., 
Ca 
3 Russelia juncea, Zu 
igo collectors of | 
poa | increasing the 
=== 
admire and grow fond of them, a after 
ing them in their mountain hom 
Woodwardia radicans, Sw., | Myoporum TE R. Br, 
Teneriffe New Hollan 
Sporobolus tenacissimus, Lk., on iinet Sa 
razi ae 
Chloris truncata, R. Br., New | Aloysia citriodora , Ort., 
Hand oo roneli tipki, Mer 
pecie Loge Sw., Tropi- 
cal Am 
via Grab, Bth., Mes 
Coix lac nag coi , Cape a , L., Cape 
Pennisetum longistylum, Hort., es icana, L., Cape 
Abyssinia Myrsine africana, L., Cape | 
Andropogon squamosum, L., ae aí enus), Europe and 
India sa 
Commelyna tuberosa, L., Waler indica, L., India 
Mexico 4 Rhododendron coe š 
Cyperus alternifolius, = L., | Cistus (genu 
Madagascar Camellia j cad 
vegetus, Willd., a 
My heal ides, Europe fee 
Wil » Ne phzralcea umbellata, Ad, 
Dianella’ ceerulea, Red., New | _ Juss., Columbia ee 
llan Sterculia heterophylla, 
iwadi congesta, Sw., eauv., New Holland 
ew Holland Rhus lucida, L., Cape 
Xerotes longifolia, Lab., New : semialata, "Mix; 
Hollan anium 
Caladium RENATY L., An- | L'Her., Maderia 
tilles Pistacia Lentiscus, i A 
Richardia “zthiopica, Kth., Euro 
Cape Melianthus s major, L., 
Ornithogalum thyrsoides, Jacq. bP en hygrometrica, R.a 
Ca 
Eucomis punctata, L'Her., | Cassia faleata,: Lrs 
cape a si i 
Tri Edwardsia chilensis,- Miers, 
Amel Tar ea, Bot. Mag., Chili 
» grandiflora, Salisb., Ne 
Ophiopogori japonicus, Ker., ealan 
Japan is inicrophylie, Saki 
eo androgynus, L., Cana- ealan 
Erythrina crista-galli, 
As E sarmentosus, L., merica : 
‘eylon » _ laurifolia, Jacq., Brazil 
Agapanthus umbellatus, Raphiolen arborea, L., I 
rese Ues tuberosa, L., India 
Aloes (genus Eu agent apiculata, D.C.; 
Yucca aloifolia, L., Carol Holland 
ee tenax, Forst., hee M 
and. ~ Leptospermum | Kear 
Giaiotas l Calistemon 
(genera), Cape ayps sey; 
Sparaxis : tices thymifolia, 
Babian: New Holland 
Morea a iridoides, Aubl., Cape 
Cipura coerulea, Aubl., ' Brazil 
Hypoxis ` Vigoma L. 
, Cay 
a ‘Tropical 
Lindl., 
Rhexia virginica, L., Tro 
America ; 
Zephyranthes rosea, 
DER, 
Hedy chium coronarium; Willd. 
India Fuchsia (genus), S, age 
ra a Vahl., | Aralia papyrifera, Hi 
Ind ae mosa 
nna (gen Escallonia (genus), 
Strelitzia sat ai om Mada-| America 
Cereus peruvianus, L., Pe 
Crassula obvallata, 4H 
en 
Watsonia rosea, L., Cape i laada; Lam., 
ieee = ETE TE Cate Arenaria earica, 
, Cape Balearic Islands 
Sagintaria c! chines, Sm. China | Mesembrya 
Osteo m,L.,| Cap 
Be. Houmingaeke 
Gasteria pavonia, Andr., Cape uit 
Gazania speciosa, Less., Cape | Ercilla spicata, a Chili. 
hlenbec 
we scandens, Lem., | Muc 
Cineraria Petasites, Bot. Mag., 
Mexi 
Vabe pe kith, Cav. TE 
pmo frutescens, 
Jam: 
Gonyza ivæfolia L., Peru 
Neja cilis, Don, "Mexico 
iiron mucronatum, D. C. (= 
—— triloba, D.C., of | Kadsura japonica, 
gardens apan 
Eurybia argophylla, Cass., icium floridanum, L. 
Nee Holland cal America 
een: radicans, L., bavi Cheiranthus longifolius, 
reclinatum, L’Her., Pen deira 
» marginatum, Lam., Abys- „ mutabilis, L'Her. 
sin . 
eira 
» bonariense, L., Plata | Phytolacca dioica, L. 
oy Pseudo-Capsicum, L., | Pittosporum Tobira, 
Hoffm., 
Mauritiu 
Brugmansia soayenieia: Don, 
Fabiana imbricata, R. and P., 
ili 
Calceolaria integrifolia, Murr., 
cou = 
ius capensis, Meyer, 
Pentstemon gentianoides, Don, 
cc., Mexic cus 
Veronica ( us), all i those A 
New. Lda 
cae all the 
they blow. 200 
