FUMIGATION 
Sle Se lee 
OF ORNAMENTAL GREENHOUSE PLANTS. 
17 
TapLte I.—Plants and insects fumigated with hydrocyanic-acid gas in green- 
houses—Continued. 
Rate in 
ounces 
per 1,000 
cubic 
feet 
Name of plant. 
> 
6 | 8 
sksla ane 
=aiés 
cos} fos] 3h 
oS oo 
M Ay 
Lilies: 
Lilium formosum.....-- 3 Blais 
ee a A ljeree-e 
Lilium multifiorum..... 2 A (aie 
ID Yoys ius ee ears eee Ee cae 
himesers ones eee ak ol |. Aegan 
VGN Ro) ped ee ae ed eae 5 
WS OGUAtE ERs oe ee sees Ae aes 1$ 
MAN oe Orewa hee ern ek oo Deere 
ID Yo aee eee es Fd | ae 
1) Oe eae oe Lyi | |e rae 
IMAFOUETILC 25.5 525 255 = 10) SNe ne 
IEG S See eat A ae Pa las ee 
Bele oes ee ATA) Sie Sei is =H eer 
Marigold (@itrench)a535 0 2- 2 Licjacaaes 
So Sele ae Ea Ue eee AE Aaa ae 
Meaerietis Leet, Meee Hol eyes 
Mimulus moschatus.....-- APRESS ee 
IBY 03 arrest been rea a a ge Be |hkee ae 
Mooniavineleei segs. 2a | Eas 
DOM een ees See 
Narcissus poeticus......... ra) aeoaee: 
WNGTCISSUB DOTTIE noe ee eee sind lair 
Nasiarhinnaaes 2 sae a5 iat 
IN ATER UE a er as pal ease 
LD yaya ba ccate aes et aie, Oa File i 1¢ 
Oleander se 2 sae see oe Arlee cee 
1D Yen, Sis ek A TA pee © oe (te anc 5 
Olineeiys-ce esa ae seals oe z 
Orchid: 
Catileya trianae.......-- Py eee 
Oxalis (flowering) .:...... pS [Sesto 
DOv ae Bacar oe Ela | pe eae 
Palms: 
Areca lutescens........- Bo pee ee 
Chamaerops pumila... .. ge bape Bee 
DOr ces a eh 2 me 7 Pamee ees 
COLOSISP Eee eee eee aha s 
Kentia belmoriana....... ay eres 
DO eet sete Pee erate 
PG ATAGS De ee Sse BA elses 
Phoeniz canariensis ....|..:.-- 5 
Pandanus graminifolius 2 ees 
3 
Pandanus veitchi......... fe Fe 49. 
ORES erwin open ose Sie aoe 
iP olsh Be SOS eae i tere ace Ee [Sails bs 
DORs Nama ee sae SMS eh yy 
Pelargonium odoratissi- 
TELE YE cai a TR one ee eee 1} 
eerste SDipeeeoee ae pal laa te 
3 
Peristonin See dae ae : Nie 
Diode SS na oe ee Ie es 
Persea americana.........|.-..-- = 
DOs of Bats Sa ee ene 13 
ID Oe See Se ee ieee ee 3 
HOUMA ois 6S ey arene! 
Pemsetita ne. ts 48s: Soe Pa ae ee 
Pomerranate. 22-15... ..|-.--.- $ 
Poppy (Shirley).......... | 7 a eet 
| 
el aes Results of treatment. 
£/ 3 
Sila 
= | 2{ Infestation. 
Els 
oO 
2) (2 
6| 2 On plants. On insects. 
a}s 
| Oo 
SB) s 
ae 
1 | 60 | Aphids... No burning..-.| 100 per cent killed. 
DE 10% 0) (en ee aes ee Ouse ee: 
JES 60) A phidseasseses|2 22 CO mascara Do. 
A BOs et 0 Eerie A Gorsrotiass2 
LES [A Doea Ute Sete Wy Aer coal Cees dO.Fa282525 
ZT 6G es TRENT Goes we 
LOS hire |e ane ol Sag Slight burning 
1 Ue Oe (eae oC No burning... 
De NSS aan ts tk CR ie en ka Gorse ses 
Fees WA phidsmee le. Slight ae Do. 
1 | 70 do Gente 2d o burning. . Do. : 
1 | 60 | Hemispherical |..... dare aks 95 per cent of immature 
scale. scales killed. 
STs | GY Tag mee on cL a YO bt Aa do. 
SEE G Ou ere > ee RC als domeii 
Fy Gy a a aS pea [Eat done a ahh 
GO | (Cre i castes sete done cee 
ere 77) (Meme ee) TOS ge dona: 
| Lee 5 ee es fe a hae Ly douse 
Mes | EOO) hess eee a tace Open flowers 
burned. 
MN GO ale Se). dc eee Flowers and 
buds burned. 
LS WESTIN PO CRE, No burning 
i BRAD pe peeemee Sets Slayer Os asa 
SE) | epee Sie eae ae ae dO ss5 025 
HLG2 iA phidssenescleos dé. = 100 per cent killed. 
2 20, |S eat et 3 a a BE dane wee 
LD GN al (ee een ee a MOE eee 
SRG ats © See eee IR. (Roo es eae 
Bilin ee ea SUS |e dorsal. 
UAC ic Seems 2. Veet ee a Ce Re Ie 
eS Salle: ee Con eRe. dos aeceks 
A red tea |S aera | SRE ee ae 70 rt Pe 
yest 0) Perera Un Se BE TS doe LBS: 
dr iG Gilieee oes ame [Rann te doi Se meer 
UEDA TEP is aM Se Se dO wh as 
Di oes | Seimei ee Se ae Pile FSR dome cees 
Re GOV Nese cere eee cleo es domaine 
dL TG 0) ns ae SS ME Ree domtestes 
BA OD ar i. hoes bass -Pe nels GOs 
SG Hie ace oc oe ektes done tua 
SUMP UWA DD Hae ea 2, Se Toy Dee GOz soe se 
SoTL ees lls aemeaiparre sac Apa Sei Gos ents: 
dC fea Did Reg 3 Cae See Le Goo ess 
LENG Si [fhe eae OE IP er GORE ese 
PEG 2 Aphids sett nha AOe yet: | Do. 
1 Si) |S do Se c0 654s) ss605S do AAS OOSS Do. 
1A |v i ee eee Slight pucaing 
Ly TEA ao Beeson do sona No burning. . : 
HLOST eA p DIGSaat saan Gone es ete 75 per cent killed. 
BIO) eiais <2 cee ea eae Iegee oman aes 
Gt eet ae) ee Slight burning. 
1 | 55 | Hemispherical| No burning...| 100 per cent immature 
scale. scales killed. 
oT 1 250 etameteses rs Sa Slight burning. 
1 |'66 | Avocado white} No burning...| All stages except eggs 
fly. and late pupe killed. 
DONG OU as rteereve ete epee slays fore GOR Dass ae 
TUR ALL yl (SS 05 eg el ee GOEG! o 522 
5 Ee PS (alee ike NR et IA Gores t F552 
BORGO: LOE: bee ye Nowe Sek) 
