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Water extracts of the whole plant killed only 35 percent of the 
mosquito larvae tested.— Hartzell and Wllcoxon (188 ) » 
COREOPSIS GRANDIFLORA Hogg. Big coreopsis. 
Jactracts from the entire plant were repellent to the Japanese 
beetle.— Metzger and Grant (277 ) . 
ECHINACEA PALLIDA (Nutt.) Britton. Hedgehog-coneflower. 
'^tracts were not repellent to the Japanese beetle.— Metzger and 
Grant ( 277) . 
ECHINOPS ECHINATUS Roxb. 
The roots are pounded and applied to the hair to destroy lice, 
and the powdered roots are applied to wounds in cattle to destroy mag- 
gots.— Greshoff (171 , p. 160). 
ERECHTITES HIERACIFOLIA (L.) Raf. Fireweed. 
Extracts were not repellent to the Japanese beetle.— Metzger and 
Grant (277), 
ERIGERON ANNUUS (L.) Pers. Daisy fleabane. 
ERIGERON CANADENSIS L. Horseweed. 
ERIGERON PULCHELLUS Miehx. Poor-robins-plantain. 
Extracts of the daisy fleabane and poor-robins-plantain were 
not repellent to the Japanese beetle, but extracts of the fresh leaves 
and heads of the horseweed were repellent.— Metzger and Grant (277 ) . 
EDPATORIUM CAPILLIFOLIUM (Lam.) Saall. Dogfennel. 
This plant was used to keep off insects by strewing it on the 
floors of cellars and dairies .—Porcher (308 ) . 
EUPATORIUM COELESTINUM L. 
EUPATORIUM HYSSOPIFOLIUM L. Thoroughwort. 
EUPATORIUM MACULATUM L. 
EUPATORIUM PERFOLIATUM L. Synonynu E. connaturo Michx. Bones et. 
EUPATORIUM PUBESCENS Muhl. 
Extracts of the leaves and flowers of E. hyssopi folium were re- 
pellent to the Japanese beetle while extracts of the other four species 
were not repellent. — Metzger and Grant (277). 
