-184- 
the fruit was very toxic to housef 11 ea in acetone solution but not in 
high-boiling kerosene,— Schechter and Haller ( 354 ) . 
PHELLODENDRON LAVALLI 
The fruit was found to have insecticidal properties. An acetone 
solution of the petroleum ether extractive at a concentration of 50 mr. 
per milliliter was about as toxic to housef lies as an extractive of P. 
amuranse . — Sullivan and coworkers ( 587 ) • 
PILOCARPUS JABORANDI Holmes • Jaborandi. 
An aqueous solution of hydrochlorate of pilocarpine, an alkaloid 
obtained from the leaves, mixed with honey (0.05:2) was fed to ants, 
which were apparently unaffected.— Cobelli ( 100) • 
The powdered leaves had a slight effect on fly larvae.--Cook and 
Hutohison ( 103 , p. 4). 
The minimum concentration of pilocarpine hydrochloride required to 
kill about 95 peroent of the bean aphids was greater than 0.5 gm. to 
100 cc. of liquid, while that of nicotine sulfate was 0.009 gm.— 
Richardson and Smith ( 322 ). 
Extracts were not repellent to the Japanese beetle.— Metzger and 
Grant (277). 
RUT A GRAVEOLENS L. Common rue. 
A strong decoction obtained by macerating the leaves in soap and 
water was a successful remedy for the insects causing American blight.— 
Roark ( 331 , p. 102). 
Extracts from the entire plant exhibited repellent qualities to 
the Japanese beetle.— Metzger and Grant ( 277 ) . 
ZANTHOXYLUM AMERICANUM Mill. Prickly-ash. 
Extracts from the dried bark were repellent to the Japanese beetle.-- 
Metzger and Grant ( 277 ) • 
Acetone extracts of the berries (N. F.) killed 60 peroent of the 
mosquito larvae tested.— Hartzell and Wilooxon ( 188 ) . 
ZANTHQXYLUM CLAVA-HERCULIS L. 'Synonym: Fagara clava-herculis Small 
(U.S.P.) Hercules-club. 
The powdered leaves seemed to repel ootton caterpillars.— Riley 
(325, p. 185). 
