-151- 
Oil from the seeds was useful in preventing attacks of white ants 
and borers.-— Holland ( 197 , p. 54) • 
Oil from the seeds was used by the tribee in Nigeria as a pre- 
ventive of white ants.—Dalziel ( 112 ) . 
BOCCONIA CCRDATA Willd. Synonym: Macleaya cor data R. Br. Pink 
plume poppy. 
A decoction was used in Japan as an insecticide.~Creshoff ( 170 , 
p. 18). 
BOCCONIA FRUTESCENS L. 
The juice was very effective against injurious insects and ticks. — 
Scar one ( 553 ) . 
CHELIDONIUM MAJUS L. Celandine. Swallow wort. 
A decoction killed 4 percent of the larvae of Malacosoma neustria 
(L.) and 44 percent of the larvae of Aglais urticfle (L.) tested.~ 
Goriainov ( 166 ) • 
Extracts were not repellent to the Japanese beetle.— Metzger and 
Grant (277). 
PAP AVER SOMNIFERUM L. Opium poppy. 
The following abstracts pertain to opium, codeine, morphine, and 
narcotine. Opium is the milky exudation of the poppy, and the other 
three substances are the chief alkaloids derived from opium. 
Pure tincture of opium, aqueous solution of hydrochlorate of 
morphine, and aqueous solution of codeine, each mixed with honey and 
fed to ants, had no effect. — Cob el li ( 100 ). 
Plants dipped in 300 cc. of water containing 0.3 gm. of morphine 
were fed to caterpillars, 50 percent of which were killed in 84 hours. — 
Maxwell-Lefroy and Finlow ( 272 , p. 277) • 
Morphine tested on a piece of cloth against the body louse killed 
only 30 percent of them within 120 hours, but 77 percent of zhe eggs 
did not hatch, — Moore and dirschf elder (285, p. 50). 
Spray solutions of codeine sulfate and narcotine sulfate were 
tested areinst the bean aphid. The minimum concentration of each re- 
quired to kill about 95 percent of the pphids was preater than 0.5 gm. 
