PLANTS — IXSECTTCIDAL PROPERTIES. 29 
Balbec. (See footnote on page 26.) 
The writers' results are given on page 21. 
Baptisia tinctoria (L.) R. Br. FabacEae. Synonym: Soph&ra tinctoria L. 
Yellow wild-indigo. Eastern United States. 
Williams (94, p. 916) reports that the plants, when placed in the 
harness, keep flies from the horses, and Porcher (68, p. 202) makes 
similar statements about its use. 
Riley (71. p. 184) says that an alcoholic extract and a decoction 
had no effect on cotton caterpillars. 
Berberis aquifoliuni Pursh. Bebberidaceae. Oregon hollygrape. Syno- 
nym: Mahonia aquifolium Nutt. Western North America. 
Cook and Hutchison (18. p. 4) ascertained that an infusion of 
the roots had a considerable effect on fly larvae, but it was inefficient. 
Bocconia cordata Willd. Papavebaceae. Synonym: Macleaya cordata R. P> . 
Pink plumepoppy. Japan. 
Greshoff (31. p. 18) reports that the decoction is used in Japan as 
an insecticide. 
Bryonia alba L. Cucuebitaceae. White bryony. Old World. 
Gomilevsky ( 28) reports that the root and other parts can be used 
against aphids. 
Caladium bicolor (Ait.) Vent. Aeaceae. South America. 
Greshoff (31. p. 158) reports that the powdered leaves are used as 
an insecticide. 
Callilepis laureola DC. Asteraceae. South Africa. 
Greshoff (33. p. 133) reports that the powdered roots are used as 
an insecticide in Xatal. 
Cannabis sativa L. Mobaceae. Common hemp. Asia, cultivated in the 
United States. 
Riley and Howard (72, p. 223) report that hemp combings or 
leaves, scattered among bags and heaps of grain in India, are effec- 
tive against weevils. 
Von Mueller (91, p. 97) says : "The hemp-plant serves as a pro- 
tection against insects on cultivated fields, if sown along their 
boundaries." 
Capsicum annuum L. Solaxaceae. Common redpepper. South America, 
now widely cultivated. 
Scott, Abbott, and Dudley (83, p. 5, 14) found that redpepper was 
ineffective against bedbugs and roaches. 
Abbott (1. p, 12) found redpepper of no value against the dog 
flea. 
Carapa guianensis Aubl. Metjaceae. Synonym: Xiilocarpus carapa Spreng. 
Andiroba or carapa tree. Guiana. 
Greshoff (33, p. 84), quoting Peckolt, reports that the decoction is 
used as an insecticide. 
