-127- 
200 cc. of dilute beef broth, 0,5 gm. of mercuric chloride, and 1 
drop of oil of apple.— Cole ( 101 )> 
SORBUS AMERICANA Marsh. Mountain-ash. 
Extracts of the berries killed only 20 percent of the mosquito 
larvae tested and extract of the bark killed only 10 percent.— 
Hartzell and Wilcoxon ( 188 ). 
MALPTGHIACEAE 
HIPTAGE BENGHALENSIS (L.) Kurz. 
This plant is listed as an insecticide.— Greshoff (171 , p. 84). 
MALVACEAE 
(Mallow Family) 
GOSSYPIUM BARBADENSE L. Sea-island cotton. 
GOSSYPIUM spp. Cotton plants* 
Many papers deal with cottonseed oil as an ingredient in insecti- 
cides but a review will not be given here. Cotton seeds are not 
poisonous but cottonseed oil has insecticidal value. 
HIBISCUS ABELM0SCBUS L. Synonym: Abelmoschus moschatus Moench. 
In Bombay the seeds are rubbed to a paste with milk and used to 
cure itch.— Kirtikar and Basu (2 30 , v. 1, p. 183) • 
HIBISCUS TKI0NUM L. Flower-of-an-hour. 
Extracts were not repellent to the Japanese beetle, --Met zger and 
Grant (277). 
HIBISCUS VTTIF0LIUS L. 
In Africa a preparation from the roots was used to kill head lice. — 
Dalziel (112). 
THESPESIA POPULNEA (L.) Soland. Portia tree. Tuliptree of India. 
In India both the flowers and the yellow juice of the fruit were 
employed as an external application for itch.— Watt ( 422 , v. 6, pt. 4, 
p. 46). 
