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4RIST0L0CHIA ROTUNDA L. Round-rooted birthwort. 
In India the roots were used by the natives in the treatment of 
itch and lice.— Watt ( 422 , v. 1, p. 316). 
ARISTOLOCHIA SERPENTARIA L. Virginia snskeroot. 
Extracts were not repellent to the Japanese beetle.— Metzger and 
Grant (277). 
ASARUM CANADENSE L. Canada Bnakeroot. Wild ginger. 
This plant was of no value as a repellent or attractant to screw- 
worms.— Parman find coworkers ( 502 ) . 
Extracts were not repellent to the Japanese beetle.— Metzger and 
Grant (277). 
"Tater extracts of the buttons killed only 10 percent of the 
mosquito larvae tested.— Hartzell end Wilcoxon. (188). 
ASCL^IAtACLAE 
(i.lilkweed Family) 
ASCLEPIAS CURASSAVICA L. Bloodf lower. 
The Indiens of southern Nexico were reported to hsve swept the 
floors and wpIIs of their huts with this pl^nt to keep away vermin, 
especifllly fleas.— Anonymous (13), 
This milkweed wps reported to check the spread of fleas in houses.— 
Bergey (56) . 
Alcoholic extracts of the stems and roots of this species, called 
*conami, u from British Guiana, were ineffective against the been aphid, 
but an extract of the flowers had a slight insecticidal action.— 
Tpttersfield and coworkers (393 ) • 
ASCLEPIAS INCARNATA L. var. of A. BULCHRA (Ehrh.) Pers. 
ASCLEPIAS SYRIACA L. ' Milkweed. 
Extracts from these plants were not repellent to the Japanese 
beetle.— Metzger and Grant ( 277 ). 
ASCLEPIAS TUBEROSA. L. Butterflyweed. 
An infusion of the roots had a considerable effect on fly larvae, 
but it was not efficient. — Cook and Hutchison (103, p. 14») . 
