-87- 
DERRIS sp. 
Japanese farmers apply treatments containing a soap with rotenone 
derived from a species said to be Derris sekken .— Scar one (553) • |^This 
specific name could not be found by F. J. Hermann.] 
DERRIS THYRSIFLORA Benth. 
This species was slightly toxic to lepidopterous larvae. — Gater 
(153 , p. 322). 
DERRIS TRIPOLI ATA Lour. Synonym: D. uliginosa (Roxb.) Benth. 
In India this species was reported to have an insecticidal value.-- 
Perredes (305 ). 
Alcoholic extracts of the stems from the Fiji Islands were generally 
efficient. — Fclndoo and coworkers (260, pp. 188, 199) • 
This species, which is indigenous to Queensland, appears to be of 
no commercial value.— Ho lman (198, p. 74} • 
DESMODIUM LABURNIFOLTJM (Poir) DC. Synonym; Meibomia laburnifolium DC. 
The leaves were used as an insecticide.— Greshoff ( 171 , p. 72) • 
DESMODIUM TRIFLORUM (L.) DC. Synonym: Meibomia triflora (L.) Kuntse. 
A paste of the bruised leaves with kamala was applied to indolent 
sores and as a remedy for itch.—Kirtikar and Basu (230 , v. 1, p. 430) • 
DIPTERYX ODORATA Willd. Synonym: Coumarouna odor at a Aubl. Tonka bean. 
Coumarin, when chemically pure and used in relatively large 
quantities, was toxio to grain weevils.— Z a oher ( 436 , p. 152). (^Coumarin 
is obtained from tonka beans, sweetclover, and other plants, and also 
made synthetically J 
An alcoholic solution of coumarin has been used for mothproofing 
purposes (Ger. patent 485,101) •— Roark (335 , p. 25). 
DOLICHOS LUPINIPLORUS N. E. Brown. 
Extracts of the roots of this fish-poison plant from southern 
Rhodesia were nontoxic to the bean aphid.— Tattersfield and Gimingham 
(391). 
DOLICHOS PSEUDOPACHYRRHIZUS Harms. Mhayo. 
The roots of this plant in East Africa are listed as insecticidal.— 
Bally (50). 
