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HYDRANGEACEAE 
(Hydrangea Family) 
HYDRANGEA ARBORESCENS L. Hydrangea. 
Extracts were not repellent to the Japanese beetle. — Uettger 
and Grant ( 277 ). 
Acetone extracts of the root (N. F.) of hydrangea killed 90 
percent of the mosquito larvae tested. —Hartzell and Wllcoxon ( 188 ) . 
RIBES GROSSULARIA L. 
Bxtraotum thebi (10 peroent in water) had no effect on the 
oaterpillars of Prodenia litura (F.) .— DeBusey (76). 
HYDROPHYLLACEAB 
(Waterleaf Family) 
ERIODICTYON CALIFORNICUM (Hook. * Arn.) Greene. Yerba santa. 
Extracts were not repellent to the Japanese beetle.-^Metsger and 
Grant (277). 
Extracts of the leaves killed none of the mosquito larvae tested, 
but exfcraots of the stems killed 35 percent.— Hart eel 1 and TTilooxon 
(188). 
HYDROLEA ZEYLANICA Vahl. 
The leaves beaten into a pulp and applied as a poultice were 
considered efficacious in cleaning and healing bad ulcers, particularly 
those in which maggots had begun to breed.— Drury ( 122 , p. 267). 
HYPERICACEAE 
(St. Johnswort Family) 
HYPERICUM PERFORATUM L. St. Johnswort. 
IRIDACEAE 
(Iris Family) 
CROCUS SATIVUS L. Crocus. 
Extraots from these plants were not repellent to the Japanese 
beetle.— Met zger and Grant ( 277 ) . 
GLADIOLUS spp. Gladiolus. 
Extracts of the leaves killed only 6 peroent of* the mosquito 
larvae tested.— Hartxell and Wilooxon (188). 
