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Extracts of the roots killed none of the mosquito lervee tested.— 
Hartzell and Wilcoxon ( 188 ) ♦ 
CALOTROPIS GIGANTEA (Willd.) R. Cr. 
This plant was used as an insect deterrent in India. A 5-percent 
alcoholic extract of the stems killed only 55 percent of the cater- 
pillars o f P lut e 11 a ma cu li p enni a (Curt.) .— Puttarudriah and Subramaniam 
(311). 
CALOTROPIS PROCERA Ait. Swallowwort. 
Water extracts, macerated juices, and dusts of the leaves were 
tested in Indie against citrus psyllas, ephids, and lucerne weevil 
grubs, but were inefficient.-- Chopra (97, p. 109). 
the leaves were used in Senegal to destroy fowl lice.— Dalziel 
(112) o 
A spray consisting of a decoction of the flowers, leaves, and 
twigs of this plent with soap killed 86 percent of the grapevine 
thrips ( Rhipiphorothrips cruentatus Hood) in India, but without soap 
not more than 25 percent. Spraying with tobacco decoction and nic- 
otine sulfate, both with soap, gave a mortality of about 98 percent.— 
Rahman and Bhardwaj ( 314 ) • 
CYNANCHUM ARNOTTIANUM Wight. 
This plant was used as an insecticide in India.— Chopra and 
Badhwar (98). 
CYNANCHUM MACR0RR7Z0N Carr. 
The blossoms of this plant contain a viscous substance in which 
all visiting insects are unable to extricate themselves .--Carriere (79). 
OXYSTELMA ESCULENTUk (L. f .) R. Br. ' Synonym: Asclepies rosea Roxb. 
The milky sap in combination with turpentine was said to be a 
valuable cure for itch in Sind, Indie. — Murray fe90 , p. 161). 
In Sind the milky sup is used as a wash for ulcers. — Kirtikar 
and Pasu ( 230 , v. 2, p. 810). 
SARCOSTEMMA BREVISTIGMA Wight * Am. Synonym: Asclepia s acida Roxb. 
In India water passed through a bundle of these plpnts and a bag 
of salt is used to extirpate white ants from a field. — Kirtikar and 
Basu (230, v. 2, p. 823). 
