-110- 
JUGLANS NIGRA L. Black walnut. 
Infusions or deooctions of walnut leeves were recommended for 
controlling the striped cucumber beetle, flea beetles, coleopterous 
larvae, and a bug*-- Harris ( 185 , pp. 101, 106, 107, 163). 
A decoction of walnut leaves applied to the skins of horses and 
other animals prevents their being bitten or worried by flies. — 
Porcher ( 308 , p. 362) . 
A decoction and an alcoholic extract had no effect on cotton 
caterpillars, but the insects avoided the sprayed leaves whenever 
possible. — Riley ( 325 , p. 186). 
JTTGLA!* T S REGIA L. Synonym: J. regie var. kumaonica C* DC. Persian 
walnut* 
In India a walnut twig, kept in a room, was recommended to dispel 
flies.—Honigberger ( 200 , p* 293). 
Extracts applied as sprays against adult mosquitoes were much 
inferior to the standard mosquitocide*— Wats and Singh ( 4 21) . 
JUNCACEAE 
(Rush Family) 
JUNCUS EFFTJSUS L. Common rush. 
Extracts were not repellent to the Japanese beetle. — Metzger and 
Grant (277). 
LAURACEAE 
(Laurel Family) 
CASSYTdA FILIFORMIS L. 
This plant was used as an insecticide in India. — Chopra end Badhwar 
(98). 
CINNA?«JMOM CAMPHORA (L.) Nees * Eberm. Camphor-tree. 
The following statements include the best results obtained by 
using camphor as «n insecticide. 
Camphor preserved clothing and other articles against inseots and 
worms .—Watt (422, v. 2, p. 93). 
