PLANTS — IXSECTICIDAL PROPERTIES. 2o 
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. Ceiituryplant. Tropical America. 
Von Mueller (91, p. 21+) 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. o) found that infusions of the roots had only a slight effect 
on fly larvae. 
Agrostemma githaga L. Caeyophyllaceae. 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 altissinia (Mill.) Swingle. Simaeubaceae. Synonym: Ailanthus 
glandulosa Desf. Ailanthus. China, cultivated in the United States. 
Riley (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. Liliaceae. Synonyms: .4. perfoliate 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, 1+8, p. 21+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 larva' and 
aphids. 
Amanita muscaria (L. ) Pers. Agaricaceae. Synonym: Agaricus muscarine 
L. Fly agaric. Europe. 
Chesnut (1J+, p. 13) reports that "As a fly poison it has been m 
in Europe for hundreds of years.' 3 
60635°— 24 1 
