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GLECOMA HEDERACEA L. Synonym: Nepeta hederacea (L.) Trevlsan. 
Ground ivy. 
Extracts were not repellent to the Japanese beetle. — Metzger and 
Grant (277). 
Water extracts of the whole plant killed only 30 percent of the 
mosquito larvae tested. — Hartzell and Wilcoxon ( 188 ) . 
HEDEOMA PULEGIOIDES (L.) Pers. Synonym: Cunila pulegioides L. 
American pennyroyal. 
The infusion, decoction, and alcoholic extract were ineffective 
against cotton caterpillars.— Riley ( 325 , p. 185). 
Oil of pennyroyal has been widely used to drive away fleas. It 
is applied to the shoe tops, noseband trousers, or placed elsewhere on 
the body or clothing, and its use on bedding and floors has been ad- 
vocated in flea-infested regions. The pennyroyal plant has been used 
for the same purpose .--Bishopp (58, p. 30). 
Oil of American pennyroyal, smeared over fresh beef liver in a 
pint Mason jar, was a good repellent to the screwworm. There was no 
emergence of flies from meat treated with it.— Parman and coworkers 
(302). 
The oil was moderately repellent to the oriental cockroach.— 
Cole (101). 
Extracts were not repellent to the Japanese beetle.— Metzger and 
Grant (277). 
Extracts of the leaves killed none of the mosquito larvae tested. — 
Hartzell and Wilcoxon ( 188 ). ' 
Oil of pennyroyal killed all the screwworm eggs treated.— Bush- 
land (74). 
HYPTIS SPICIGERA Lam. 
In Afrioa the whole plant, which is stronely scented, is burned 
in rooms to get rid of mosquitoes, and is placed in a layer below 
bundles of millet to keep away termites.— Dalziel (112) . 
