-118- 
0RNITH0GALU1.1 UMBELLATULi L. Star-of-3ethlehem. 
POLYGONATUM RIFLORUM (Walt.) Ell. Hairy aolomonseal. 
POLYGONATUM COMMUTATUM Diet*. Great aolomonseal. 
Extracts from these plants were not repellent to the Japanese 
beetle. — Ketzger and Grant ( 277 ) . 
SANSEVIERIA R0X3URGHIANA Sohult. 
In India this plant was prescribed for itch.— Kirtikar and Baeu 
( 230 , v. 2, p. 1271). 
SCHOENOCAJLON OFFICINALE (Sohlecht. & Cham.) A. Gray. Synonyms: 
Veratrum officinale Schlecht. & Cham.; Helonias officinalis Don.; 
Asagraea officinalis Lindl.; Sabadilla officinarum Brandt <fe Ratzeb. 
Sabadilla. Covadilla. Cebolleja. 
The use of sabadilla as an insecticide has been known since the 
sixteenth century and 76 references on this subject have recently been 
cited by Dicke ( 118 ). The following are a few of them. 
Sabadilla seeds used as a fumigant had a slight effect on flie6 and 
clothes moths and a considerable effect on mosquitoes. — McClintock and 
coworkers (250 , p. 233). 
A mixture of sabadilla seeds and vinegar was recommended as a 
wash to destroy body lice on human beings.— Hase ( 190 , p. 7) ; Martini ( 269 , 
p. 424). 
Powdered sabadilla seed used as a dust killed 95 to 100 percent 
of the bedbugs treated within 48 hours, and used as a stomach poison 
(l part to 9 parts of oorn meal) it killed 70 to 100 percent of the 
cockroaches treated within 19 to 34 days.— -Scott and ooworkers 
(361 , pp. 5, 12) . 
The powdered seed was effeotive against chicken lice but was not 
recommended beoause it was too expensive and not readily available 
in large quantities. — Abbott ( 37 , p. 7). 
The powdered seeds (oil extracted), used as a dust, were efficient 
against grasshoppers, cockroaches, honeybees, silkworms, and webwonas, 
but they had practically no effeot on five species of aphids. The 
powder (oil not extracted), used also as a dust, was efficient against 
silkworms, but had practically no effect on the aphids. The powder. 
