-62- 
CORDIA MYXA L. 
In India the Santala used the powdered bark as an external appli- 
cation in prurigo.-- -Watt (422, v. 2, p. 564) • 
CYNOGLOSSUM OFFICINALE L. Common houndstongueo 
Extracts were not repellent to the Japanese beetle, — Metzger and 
Grant (277). 
HELIOTROPIUM EUROPAEUM L. 
HELIOTROPIUM PERUVIANUM L. 
In tests against the body louse a small piece of cloth impregnated 
with a saturated solution containing lubricating oil end the alkploid 
heliotropine was kept for observation in a vial with a number of lice 
on it. All the lice were dead within 12 hours, Heliotropine wps one 
of the best chemicals tested, beinp - apparently nontoxic to the skin 
and lasting as long as 168 hours when used with coco* butter, in which 
it w*s more soluble than in other fats. Without the oil heliotropine 
killed just as rapidly, but it crystallized on the underwear end soon 
rubbed off in wearing.— Moore and Hirschfelder (285, pp. 54, 57). 
HELIOTROPIUM INDICUM L. India heliotrope. 
A decoction had no effect on cotton caterpillars .--Riley ( 325 , 
p. 186). 
This plant is widely distributed in Indie, where the juice of 
the leaves is applied for the stings of scorpions and insects. Alcoholic 
extracts and water suspensions had no effect on caterpillars •-- 
Puttarudriah and Subramaniam ( 312 ) . 
PULMONARIA OFFICINALIS L. Common lungwort. 
Extracts were not repellent to the Japanese beetle. — L'etzger end 
Grent (277). 
SYMPHYTUM OFFICINALE L. Common comfrey. 
Extracts from the dry roots were more or less repellent to the 
Japanese beetle. — I'etzger and Grr.nt (277). 
7 7eter extrects of the roots killed 45 percent of the mosquito 
lprvee tested. --Hp.rt.zell end "Tilcoxon ( l pq ) . 
TOURNFFORTIA HTRSUTISSIt'A L. 
This species wos used as a generel insecticide in Heitio — Ronrk 
(332, p. 38). 
