-196- 
DATURA MBTBL L. Angel-trumpet. 
Thin shrub or small tree wan commonly pounded and used to smear 
the floors of houses to kill lioe and other vermin, especially the 
dreaded "jiggers/ in the Gold Coast, Africa*— Irvine (215). 
This species was said tc be used In Slnd as an insecticide*— 
Hoerk (832, p* 17)* 
DATURA SmuWIICK L. Jimsonweed* Thorn apple* 
Neither the alcoholic extract frcsi the dried seed or leaves nor a 
decoction fresi the leaves was effective against ootton caterpillars*— 
Riley (526, p* 184). 
A strong infusion of the leaves had no effect on potato beetles, 
rose beetles, or the larvae of a butterfly*— Pernald ( 135, p* 10)* 
The leaves, used as a fusdgant, were inefficient against bedbugs, 
cockroaohes, flies, olothes moths, and mosquitoes •-- noClintook and 
coworkers (250, p* 238)* 
The decoction was recommended as an inseotioide in Germany.— 
Sprenger (573)* 
in extract of the leaves was of no value against fly larvae.— 
Cook and coworkers ( 104 , p* 14)* 
An inseotioide prepared in Russia from the ripe and dried plant, 
consisting of stalk, leaves, and seed, was effeotlve against aphids, 
various caterpillars, eookohafers, etc, killing them in a very short 
time.— Medynsky (274), 
Extra ottus stramonii (10 peroent in water) and folia stramonii had 
no effect on the caterpillars of Prodenla 11 tar a (P.) .— DeBussy (76). 
A water extract had no effeot on small web worms and small oatalpa 
caterpillars, and a highly concentrated water extract had only a slight 
effeot on honeybees* The water extract, used as a funigant, had mo ef- 
fect on snail webworms* The powder, used as a stomach poison, had a 
slight effect on silkworms, and used as a dust, it had a slight effeot 
on cockroaches and tent caterpillars.— Molndoo and Sievers (259 , p* 22). 
Commercially prepared extracts were not significantly toxic to the 
bean aphid*- Tattersfield and coworkers (393) * 
Dusts of the leaves killed 100 peroent of the adult beetles Aulo- 
oophora abdominalls P. tested in India,— Chopra (97 , p. 109), 
Brtracts applied as sprays against adult mosquitoes were much in- 
ferior to the standard mosqnitocide.— Wats and 8ingh (421). 
