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CHRYSANTHEMUM PARTHENIUM (L.) Pars. Synonyms: Matricaria parthenium 
'-•» PyrQ^rum parthenium J. E. Smith. Feverfew. 
The dried, fresh flowers had an effect on roaches similar to that 
of genuine insect powder .--Glover ( 163 , p. 133) • 
The flowers had a benumbing effect on flies, acting within 1 or 2 
hours .--Kalbruner (224 ) . 
The flower heads were not effective against the insects tested.— 
Passerini ( 303 ) • 
Alcoholic extracts were not significantly toxic to the bean aphid. — 
Tattersfield and coworkers ( 393 ) • 
Extracts were not repellent to the Japanese beetle .--Met zger and 
^rant (277), 
CHRYSANTHQJUl.il SEGETUT* L. Synonym: Pyrethrum segetum Moench. Corn 
marigold. 
Thia plant was used in Greece and was as effective as Persian insect 
powder, particularly as a fumigant.— Lander er (241 ) . 
CHRYSANTHEMUM opp. Cultivated Chrysanthemums. 
CHRYSOPSIS MARIANA (L.) Nutt. Golden Aster. 
CICHORIUM INTYBUS L. Chicory. 
Extracts from these plants were not repellent to the Japanese 
beetle.— Metzger and Grant ( 277 ) . 
CLIBADIUM SURINAMENSE. L. 
The powder had practically no effect on silkworms.— Mclndoo and 
Sievers ( 259 , p. 22). 
CLIBADIUM SYLVESTRE (Aubl.) Baill. Synonym: C. vargesii . Nivrai. 
Extracts of the leaves and stems of this fish-poison plant from 
Antigua were nontoxic to the bean aphid. --Tattersfield and Gimingham 
(391). 
CNICUS BENEDICTUS L. Blessed thistle. 
Extracts were not repellent to the Jappnese beetle. Metzger and 
Grant (277). 
