PLANTS INSECTICIDAL PROPERTIES. 25 



Aesculus glabra Willd. Aesculaceae. Ohio buckeye. Eastern United States. 



Riley (71, p. 184) reports that an alcoholic extract of the fruit and 

 an alcoholic extract and a decoction of the leaves had no effect on the 

 cotton caterpillars tested. 



Aesculus pavia L. Red buckeye. Southeastern United States. 



Porcher (68, p. 91) says: "Bedsteads made of the horse-chestnut 

 are said not to be infested by bugs." 



Agave americana L. Amaeyllidaceae. Centuryplant. Tropical America. 



Von Mueller (91, p. 24) reports that " The infusion of the leaves 

 can be applied as an insecticide." 



Agave lecheguilla Torr. Lechuguilla. Texas and Mexico. 



Cook, Hutchison, and Scales (17, p. 13) and Cook and Hutchison 

 (18, p. 5) found that infusions of the roots had only a slight effect 

 on fly larvae. 



Agrostenima githaga L. Cabyophyllaceae. Corncockle. Europe, adventive 

 in the United States. 



Cook, Hutchison, and Scales (17, p. 13) determined that an in- 

 fusion had practically no effect on fly larvae. 



Ailanthus altissima (Mill.) Swingle. Simaetjbaceae. Synonym: Ailanthus 

 glandulosa Desf. Ailanthus. China, cultivated in the United States. 



Kiley (71, p. 184) reports that a decoction and an infusion of the 

 leaves had no effect on cotton caterpillars. 



Von Mueller (91, p. 27) reports that it checks the spread of the 

 rosebug, which is destructive to the trees. 



Allium sativum L. Liliaceae. Garlic. Europe. 



Howard (43, p. 59), quoting Celli and Casagrandi, says that the 

 odor of garlic will kill mosquitoes if the air is saturated. 



Aloe barbadensis Mill. Xiliaceae. Synonyms : A. perfoliata vera L., A. vul- 

 garis Lam. Source of Barbadoes aloes. India to northwestern Africa, 

 naturalized in West Indies. 



Mason reports that powdered Barbadoes aloes was on one occasion 

 found as effective as insect powder (see Kirby, 48, V- &4-1)- 



Aloe ferox Mill. Cape aloe. South Africa. 



Von Mueller (91, p. 34) reports that " The bitter sap, used for 

 dressing wounds, keeps off flies very effectively." 



Aloe spp. * 



Greshoff (31, p. 154) says that the resin from aloes is an insecti- 

 cide. 



Schreiber (81) ascertained that a strong decoction of aloes with 

 soap added gave good results against certain lepidopterous larvae and 

 aphids. 



Amanita muscaria (L. ) Pers. Agaricaceae. Synonym: Agaricus muscarius 

 L. Fly agaric. Europe. 



Chesnut (14, p. 13) reports that "As a fly poison it has been used 

 in Europe for hundreds of years." 

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