48 BULLETIN 1201, U. S. DEPARTMENT OF AGRICULTURE. 



Von Mueller (91, p. Jjj67) says that these plants help drive mos- 

 quitoes away 



Cook and Hutchison (18, p. 4) found that the ground cake of the 

 castor-bean had no effect on fly larvse. 



The writers' results are given on page 9. 



Rosmarinus officinalis L. Menthaceae. Rosemary. Mediterranean region. 



Von Mueller (91, p. jfl®) savs : " Branches of this shrub will keep 

 off moths from wearing apparel packed away." 



Roylea elegans Wall. Menthaceae. Himalayan region. 



Greshoff (33, p. 138) reports that the leaves are used as an insecti- 

 cide. 



Rumex sp. Polygonaceae. 



Riley (71, p. 186) found that an alcoholic extract was ineffective 

 against cotton caterpillars. 



Ruta graveolens L. Rutaceae. Common rue. Southern Europe. 



According to Roark (75, p. 102), "A strong decoction obtained by 

 macerating the leaves of the plant in soap and water, is stated by 

 Forney to be a successful remedy for American blight." 



Samadera indica Gaertn. Simaktjbaceae. Synonyms : S. pentapetala G. Don., 

 Niota pentapetala Poir., N. commersoni Pers. 



Greshoff (31, p. 30) lists it as an insecticide. 

 Sambucus canadensis L. Capeifoliaceae. American elder. United States. 



Porcher (68, p. 44$) says: "A decoction made by pouring boiling 

 water over the leaves, flowers, or berries of the elder is recommended 

 as a wash for wounds to prevent injury from flies." 



The writers' results are given on page 23. 



Sambucus nigra L. European elder. Europe. 



Porcher (68, p. 4W) says that the leaves of the English elder are 

 noxious to insects, moles, etc. 



Greshoff (33, p. 11$), quoting Cutler, 1785, says: "It is said, if 

 fruits are whipped with the green leaves and branches of elder the 

 insects will not attack them." 



Santolina chamaecyparissus L. Asteeaceae. Lavender-cotton. Mediterra- 

 nean region. 



Greshoff (33, p. 158) lists this as an insecticide. 

 Passerini (66) says that it killed the dog flea, although very 

 slowly, but had practically no effect on flies and ants. 



Sassafras variifolium (Salisb.) Kuntze. Laura ceae. Synonyms: S. sassafras 

 Karst, S. officinale Nees. and Eberm., Laurus sassafras L. Sassafras. Cin- 

 namonwood. Eastern United States. 



Porcher (68, p. 391) reports: "Bedsteads made of it are never in- 

 fested with bugs." 



Riley (71, p. 186) reports that an alcoholic extract of the dried 

 bark of the roots had no effect on cotton caterpillars. 



Abbott (1, p. 7, 11) found powdered sassafras bark very effective 

 against chicken lice and the dog flea, but he does not recommend it 

 against these insects. 



